feat:add table component

index.html

@@ -96,10 +96,24 @@
       </div>
       <div class="menu-divider"></div>
       <div class="menu-item">
+        <div class="menu-item__table">
+          <i></i>
+        </div>
+        <div class="menu-item__table__collapse">
+          <div class="table-close">×</div>
+          <div class="table-title">
+            <span class="table-select">插入</span>
+            <span>表格</span>
+          </div>
+          <div class="table-panel"></div>
+        </div>
         <div class="menu-item__image">
           <i></i>
           <input type="file" id="image" accept=".png, .jpg, .jpeg">
         </div>
+      </div>
+      <div class="menu-divider"></div>
+      <div class="menu-item">
         <div class="menu-item__search">
           <i></i>
         </div>

src/assets/images/table.svg

@@ -0,0 +1 @@
+<svg width="16" height="16" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><rect x=".5" y=".5" width="12" height="12" rx="1" transform="translate(1 1)" stroke="#3D4757"/><path fill="#3D4757" fill-rule="nonzero" d="M2 9h12v1H2zm0-4h12v1H2z"/><path fill="#3D4757" fill-rule="nonzero" d="M5 1h1v13H5zm4 0h1v13H9z"/></g></svg>

src/editor/core/command/Command.ts

@@ -21,6 +21,7 @@ export class Command {
   private static center: Function
   private static right: Function
   private static rowMargin: Function
+  private static insertTable: Function
   private static image: Function
   private static search: Function
   private static print: Function
@@ -46,6 +47,7 @@ export class Command {
     Command.center = adapt.rowFlex.bind(adapt)
     Command.right = adapt.rowFlex.bind(adapt)
     Command.rowMargin = adapt.rowMargin.bind(adapt)
+    Command.insertTable = adapt.insertTable.bind(adapt)
     Command.image = adapt.image.bind(adapt)
     Command.search = adapt.search.bind(adapt)
     Command.print = adapt.print.bind(adapt)
@@ -124,7 +126,11 @@ export class Command {
     return Command.rowMargin(payload)
   }
 
-  // 图片上传、搜索、打印
+  // 表格、图片上传、搜索、打印
+  public executeInsertTable(row: number, col: number) {
+    return Command.insertTable(row, col)
+  }
+
   public executeImage(payload: IDrawImagePayload) {
     return Command.image(payload)
   }

src/editor/core/command/CommandAdapt.ts

@@ -6,7 +6,11 @@ import { RowFlex } from "../../dataset/enum/Row"
 import { IDrawImagePayload } from "../../interface/Draw"
 import { IEditorOption } from "../../interface/Editor"
 import { IElement, IElementStyle } from "../../interface/Element"
+import { IColgroup } from "../../interface/table/Colgroup"
+import { ITd } from "../../interface/table/Td"
+import { ITr } from "../../interface/table/Tr"
 import { getUUID } from "../../utils"
+import { formatElementList } from "../../utils/element"
 import { printImageBase64 } from "../../utils/print"
 import { Draw } from "../draw/Draw"
 import { HistoryManager } from "../history/HistoryManager"
@@ -214,6 +218,55 @@ export class CommandAdapt {
     this.draw.render({ curIndex, isSetCursor })
   }
 
+  public insertTable(row: number, col: number) {
+    const { startIndex, endIndex } = this.range.getRange()
+    if (startIndex === 0 && endIndex === 0) return
+    const elementList = this.draw.getElementList()
+    const { width, margins } = this.options
+    const innerWidth = width - margins[1] - margins[3]
+    // colgroup
+    const colgroup: IColgroup[] = []
+    const colWidth = innerWidth / col
+    for (let c = 0; c < col; c++) {
+      colgroup.push({
+        width: colWidth
+      })
+    }
+    // trlist
+    const trList: ITr[] = []
+    for (let r = 0; r < row; r++) {
+      const tdList: ITd[] = []
+      const tr: ITr = {
+        height: 40,
+        tdList
+      }
+      for (let c = 0; c < col; c++) {
+        tdList.push({
+          colspan: 1,
+          rowspan: 1,
+          value: [{ value: ZERO, size: 16 }]
+        })
+      }
+      trList.push(tr)
+    }
+    const element: IElement = {
+      type: ElementType.TABLE,
+      value: ZERO,
+      colgroup,
+      trList
+    }
+    // 格式化element
+    formatElementList([element])
+    const curIndex = startIndex + 1
+    if (startIndex === endIndex) {
+      elementList.splice(curIndex, 0, element)
+    } else {
+      elementList.splice(curIndex, endIndex - startIndex, element)
+    }
+    this.range.setRange(curIndex, curIndex)
+    this.draw.render({ curIndex, isSetCursor: false })
+  }
+
   public image(payload: IDrawImagePayload) {
     const { startIndex, endIndex } = this.range.getRange()
     if (startIndex === 0 && endIndex === 0) return

src/editor/core/draw/Draw.ts

@@ -1,6 +1,6 @@
 import { ZERO } from "../../dataset/constant/Common"
 import { RowFlex } from "../../dataset/enum/Row"
-import { IDrawOption } from "../../interface/Draw"
+import { IDrawOption, IDrawRowPayload, IDrawRowResult } from "../../interface/Draw"
 import { IEditorOption } from "../../interface/Editor"
 import { IElement, IElementMetrics, IElementPosition, IElementStyle } from "../../interface/Element"
 import { IRow, IRowElement } from "../../interface/Row"
@@ -23,6 +23,7 @@ import { ImageParticle } from "./particle/ImageParticle"
 import { TextParticle } from "./particle/TextParticle"
 import { PageNumber } from "./frame/PageNumber"
 import { GlobalObserver } from "../observer/GlobalObserver"
+import { TableParticle } from "./particle/table/TableParticle"
 
 export class Draw {
 
@@ -47,6 +48,7 @@ export class Draw {
   private historyManager: HistoryManager
   private imageParticle: ImageParticle
   private textParticle: TextParticle
+  private tableParticle: TableParticle
   private pageNumber: PageNumber
 
   private rowList: IRow[]
@@ -83,6 +85,7 @@ export class Draw {
     this.highlight = new Highlight(this)
     this.imageParticle = new ImageParticle(this)
     this.textParticle = new TextParticle(this)
+    this.tableParticle = new TableParticle(this)
     this.pageNumber = new PageNumber(this)
     new GlobalObserver(this)
 
@@ -135,6 +138,10 @@ export class Draw {
     return this.options.defaultBasicRowMarginHeight * this.options.scale
   }
 
+  public getTdPadding(): number {
+    return this.options.tdPadding * this.options.scale
+  }
+
   public getContainer(): HTMLDivElement {
     return this.container
   }
@@ -202,6 +209,15 @@ export class Draw {
   }
 
   public getElementList(): IElement[] {
+    const positionContext = this.position.getPositionContext()
+    if (positionContext.isTable) {
+      const { index, trIndex, tdIndex } = positionContext
+      return this.elementList[index!].trList![trIndex!].tdList[tdIndex!].value
+    }
+    return this.elementList
+  }
+
+  public getOriginalElementList() {
     return this.elementList
   }
 
@@ -306,25 +322,25 @@ export class Draw {
     return `${el.italic ? 'italic ' : ''}${el.bold ? 'bold ' : ''}${(el.size || defaultSize) * scale}px ${el.font || defaultFont}`
   }
 
-  private _computeRowList() {
-    const { defaultSize, defaultRowMargin, scale } = this.options
-    const innerWidth = this.getInnerWidth()
+  private _computeRowList(innerWidth: number, elementList: IElement[]) {
+    const { defaultSize, defaultRowMargin, scale, tdPadding } = this.options
     const defaultBasicRowMarginHeight = this.getDefaultBasicRowMarginHeight()
+    const tdGap = tdPadding * 2
     const canvas = document.createElement('canvas')
     const ctx = canvas.getContext('2d') as CanvasRenderingContext2D
     const rowList: IRow[] = []
-    if (this.elementList.length) {
+    if (elementList.length) {
       rowList.push({
         width: 0,
         height: 0,
         ascent: 0,
         elementList: [],
-        rowFlex: this.elementList?.[1]?.rowFlex
+        rowFlex: elementList?.[1]?.rowFlex
       })
     }
-    for (let i = 0; i < this.elementList.length; i++) {
+    for (let i = 0; i < elementList.length; i++) {
       const curRow: IRow = rowList[rowList.length - 1]
-      const element = this.elementList[i]
+      const element = elementList[i]
       const rowMargin = defaultBasicRowMarginHeight * (element.rowMargin || defaultRowMargin)
       let metrics: IElementMetrics = {
         width: 0,
@@ -350,6 +366,40 @@ export class Draw {
           metrics.boundingBoxDescent = elementHeight
         }
         metrics.boundingBoxAscent = 0
+      } else if (element.type === ElementType.TABLE) {
+        // 计算表格行列
+        this.tableParticle.computeRowColInfo(element)
+        // 计算表格内元素信息
+        const trList = element.trList!
+        for (let t = 0; t < trList.length; t++) {
+          const tr = trList[t]
+          let maxTrHeight = 0
+          for (let d = 0; d < tr.tdList.length; d++) {
+            const td = tr.tdList[d]
+            const rowList = this._computeRowList((td.width! - tdGap) * scale, td.value)
+            const rowHeight = rowList.reduce((pre, cur) => pre + cur.height, 0)
+            td.rowList = rowList
+            // 移除缩放导致的行高变化-渲染时会进行缩放调整
+            const curTrHeight = (rowHeight + tdGap) / scale
+            if (maxTrHeight < curTrHeight) {
+              maxTrHeight = curTrHeight
+            }
+          }
+          tr.height = maxTrHeight
+        }
+        // 需要重新计算表格内值
+        this.tableParticle.computeRowColInfo(element)
+        // 计算出表格高度
+        const tableHeight = trList.reduce((pre, cur) => pre + cur.height, 0)
+        const tableWidth = element.colgroup!.reduce((pre, cur) => pre + cur.width, 0)
+        element.width = tableWidth
+        element.height = tableHeight
+        const elementWidth = tableWidth * scale
+        const elementHeight = tableHeight * scale
+        metrics.width = elementWidth
+        metrics.height = elementHeight
+        metrics.boundingBoxDescent = elementHeight
+        metrics.boundingBoxAscent = 0
       } else {
         metrics.height = (element.size || this.options.defaultSize) * scale
         ctx.font = this._getFont(element)
@@ -367,7 +417,12 @@ export class Draw {
         style: this._getFont(element, scale)
       }
       // 超过限定宽度
-      if (curRow.width + metrics.width > innerWidth || (i !== 0 && element.value === ZERO)) {
+      const preElement = elementList[i - 1]
+      if (
+        (preElement && preElement.type === ElementType.TABLE)
+        || curRow.width + metrics.width > innerWidth
+        || (i !== 0 && element.value === ZERO)
+      ) {
         rowList.push({
           width: metrics.width,
           height,
@@ -388,35 +443,29 @@ export class Draw {
         curRow.elementList.push(rowElement)
       }
     }
-    this.rowList = rowList
+    return rowList
   }
 
-  private _drawElement(positionList: IElementPosition[], rowList: IRow[], pageNo: number) {
-    const width = this.getWidth()
-    const height = this.getHeight()
-    const margins = this.getMargins()
-    const ctx = this.ctxList[pageNo]
-    ctx.clearRect(0, 0, width, height)
-    // 绘制背景
-    this.background.render(ctx)
-    // 绘制页边距
-    const leftTopPoint: [number, number] = [margins[3], margins[0]]
-    this.margin.render(ctx)
-    // 渲染元素
-    let x = leftTopPoint[0]
-    let y = leftTopPoint[1]
-    let index = positionList.length
+  private _drawRow(ctx: CanvasRenderingContext2D, payload: IDrawRowPayload): IDrawRowResult {
+    const { positionList, rowList, pageNo, startX, startY, startIndex, innerWidth } = payload
+    const { scale, tdPadding } = this.options
+    const tdGap = tdPadding * 2
+    let x = startX
+    let y = startY
+    let index = startIndex
     for (let i = 0; i < rowList.length; i++) {
       const curRow = rowList[i]
       // 计算行偏移量（行居左、居中、居右）
       if (curRow.rowFlex && curRow.rowFlex !== RowFlex.LEFT) {
-        const canvasInnerWidth = width - margins[1] - margins[3]
         if (curRow.rowFlex === RowFlex.CENTER) {
-          x += (canvasInnerWidth - curRow.width) / 2
+          x += (innerWidth - curRow.width) / 2
         } else {
-          x += canvasInnerWidth - curRow.width
+          x += innerWidth - curRow.width
         }
       }
+      // 当前td所在位置
+      let tablePreX = x
+      let tablePreY = y
       for (let j = 0; j < curRow.elementList.length; j++) {
         const element = curRow.elementList[j]
         const metrics = element.metrics
@@ -456,25 +505,89 @@ export class Draw {
         if (element.type === ElementType.IMAGE) {
           this.textParticle.complete()
           this.imageParticle.render(ctx, element, x, y + offsetY)
+        } else if (element.type === ElementType.TABLE) {
+          this.tableParticle.render(ctx, element, x, y)
         } else {
           this.textParticle.record(ctx, element, x, y + offsetY)
         }
         // 选区绘制
         const { startIndex, endIndex } = this.range.getRange()
         if (startIndex !== endIndex && startIndex < index && index <= endIndex) {
-          let rangeWidth = metrics.width
-          if (rangeWidth === 0 && curRow.elementList.length === 1) {
-            rangeWidth = this.options.rangeMinWidth
+          const positionContext = this.position.getPositionContext()
+          // 表格需限定上下文
+          if (
+            (!positionContext.isTable && !element.tdId)
+            || positionContext.tdId === element.tdId
+          ) {
+            let rangeWidth = metrics.width
+            if (rangeWidth === 0 && curRow.elementList.length === 1) {
+              rangeWidth = this.options.rangeMinWidth
+            }
+            this.range.render(ctx, x, y, rangeWidth, curRow.height)
           }
-          this.range.render(ctx, x, y, rangeWidth, curRow.height)
         }
         index++
         x += metrics.width
+        // 绘制表格内元素
+        if (element.type === ElementType.TABLE) {
+          for (let t = 0; t < element.trList!.length; t++) {
+            const tr = element.trList![t]
+            for (let d = 0; d < tr.tdList!.length; d++) {
+              const td = tr.tdList[d]
+              td.positionList = []
+              const drawRowResult = this._drawRow(ctx, {
+                positionList: td.positionList,
+                rowList: td.rowList!,
+                pageNo,
+                startIndex: 0,
+                startX: (td.x! + tdPadding) * scale + tablePreX,
+                startY: td.y! * scale + tablePreY,
+                innerWidth: (td.width! - tdGap) * scale
+              })
+              x = drawRowResult.x
+              y = drawRowResult.y
+            }
+          }
+          // 恢复初始x、y
+          x = tablePreX
+          y = tablePreY
+        }
       }
       this.textParticle.complete()
-      x = leftTopPoint[0]
+      x = startX
       y += curRow.height
     }
+    return { x, y, index }
+  }
+
+  private _drawPage(positionList: IElementPosition[], rowList: IRow[], pageNo: number) {
+    const width = this.getWidth()
+    const height = this.getHeight()
+    const margins = this.getMargins()
+    const innerWidth = this.getInnerWidth()
+    const ctx = this.ctxList[pageNo]
+    ctx.clearRect(0, 0, width, height)
+    // 绘制背景
+    this.background.render(ctx)
+    // 绘制页边距
+    const leftTopPoint: [number, number] = [margins[3], margins[0]]
+    this.margin.render(ctx)
+    // 渲染元素
+    let x = leftTopPoint[0]
+    let y = leftTopPoint[1]
+    let index = positionList.length
+    const drawRowResult = this._drawRow(ctx, {
+      positionList,
+      rowList,
+      pageNo,
+      startIndex: index,
+      startX: x,
+      startY: y,
+      innerWidth
+    })
+    x = drawRowResult.x
+    y = drawRowResult.y
+    index = drawRowResult.index
     // 绘制页码
     this.pageNumber.render(ctx, pageNo)
     // 搜索匹配绘制
@@ -491,14 +604,15 @@ export class Draw {
       isComputeRowList = true
     } = payload || {}
     const height = this.getHeight()
+    const innerWidth = this.getInnerWidth()
     // 计算行信息
     if (isComputeRowList) {
-      this._computeRowList()
+      this.rowList = this._computeRowList(innerWidth, this.elementList)
     }
     // 清除光标等副作用
     this.cursor.recoveryCursor()
     this.position.setPositionList([])
-    const positionList = this.position.getPositionList()
+    const positionList = this.position.getOriginalPositionList()
     // 按页渲染
     const margins = this.getMargins()
     const marginHeight = margins[0] + margins[2]
@@ -522,7 +636,7 @@ export class Draw {
         this._createPage(i)
       }
       const rowList = pageRowList[i]
-      this._drawElement(positionList, rowList, i)
+      this._drawPage(positionList, rowList, i)
     }
     // 移除多余页
     setTimeout(() => {
@@ -540,7 +654,14 @@ export class Draw {
       if (curIndex === undefined) {
         curIndex = positionList.length - 1
       }
-      this.position.setCursorPosition(positionList[curIndex!] || null)
+      const positionContext = this.position.getPositionContext()
+      if (positionContext.isTable) {
+        const { index, trIndex, tdIndex } = positionContext
+        const tablePosition = this.elementList[index!].trList?.[trIndex!].tdList[tdIndex!].positionList?.[curIndex!]
+        this.position.setCursorPosition(tablePosition || null)
+      } else {
+        this.position.setCursorPosition(positionList[curIndex!] || null)
+      }
       this.cursor.drawCursor()
     }
     // 历史记录用于undo、redo
@@ -549,8 +670,10 @@ export class Draw {
       const oldElementList = deepClone(this.elementList)
       const { startIndex, endIndex } = this.range.getRange()
       const pageNo = this.pageNo
+      const oldPositionContext = deepClone(this.position.getPositionContext())
       this.historyManager.execute(function () {
         self.setPageNo(pageNo)
+        self.position.setPositionContext(oldPositionContext)
         self.range.setRange(startIndex, endIndex)
         self.elementList = deepClone(oldElementList)
         self.render({ curIndex, isSubmitHistory: false })

src/editor/core/draw/interactive/Search.ts

@@ -18,7 +18,7 @@ export class Search {
     const searchMatch = this.draw.getSearchMatch()
     if (!searchMatch || !searchMatch.length) return
     const searchMatchList = searchMatch.flat()
-    const positionList = this.position.getPositionList()
+    const positionList = this.position.getOriginalPositionList()
     ctx.save()
     ctx.globalAlpha = this.options.searchMatchAlpha
     ctx.fillStyle = this.options.searchMatchColor

src/editor/core/draw/particle/table/TableParticle.ts

@@ -0,0 +1,172 @@
+import { IElement } from "../../../.."
+import { IEditorOption } from "../../../../interface/Editor"
+import { Draw } from "../../Draw"
+
+export class TableParticle {
+
+  private options: Required<IEditorOption>
+
+  constructor(draw: Draw) {
+    this.options = draw.getOptions()
+  }
+
+  private _drawBorder(ctx: CanvasRenderingContext2D, startX: number, startY: number, width: number, height: number) {
+    ctx.beginPath()
+    ctx.moveTo(startX, startY)
+    ctx.lineTo(startX + width, startY)
+    ctx.lineTo(startX + width, startY + height)
+    ctx.lineTo(startX, startY + height)
+    ctx.closePath()
+    ctx.stroke()
+  }
+
+  // @ts-ignore
+  private _drawRange(ctx: CanvasRenderingContext2D, x: number, y: number, width: number, height: number) {
+    const { rangeAlpha, rangeColor } = this.options
+    ctx.save()
+    ctx.globalAlpha = rangeAlpha
+    ctx.fillStyle = rangeColor
+    ctx.fillRect(x, y, width, height)
+    ctx.restore()
+  }
+
+  public computeRowColInfo(element: IElement) {
+    const { colgroup, trList } = element
+    if (!colgroup || !trList) return
+    let x = 0
+    let y = 0
+    for (let t = 0; t < trList.length; t++) {
+      const tr = trList[t]
+      // 表格最后一行
+      const isLastTr = trList.length - 1 === t
+      // 当前行最小高度
+      let rowMinHeight = 0
+      for (let d = 0; d < tr.tdList.length; d++) {
+        const td = tr.tdList[d]
+        // 计算之前行x轴偏移量
+        let offsetXIndex = 0
+        if (trList.length > 1 && t !== 0) {
+          for (let pT = 0; pT < t; pT++) {
+            const pTr = trList[pT]
+            // 相同x轴是否存在跨行
+            for (let pD = 0; pD < pTr.tdList.length; pD++) {
+              const pTd = pTr.tdList[pD]
+              const pTdX = pTd.x!
+              const pTdY = pTd.y!
+              const pTdWidth = pTd.width!
+              const pTdHeight = pTd.height!
+              // 小于
+              if (pTdX < x) continue
+              if (pTdX > x) break
+              if (pTd.x === x && pTdY + pTdHeight > y) {
+                x += pTdWidth
+                offsetXIndex += 1
+              }
+            }
+          }
+        }
+        // 计算格列数
+        let colIndex = 0
+        const preTd = tr.tdList[d - 1]
+        if (preTd) {
+          colIndex = preTd.colIndex! + (offsetXIndex || 1)
+          if (preTd.colspan > 1) {
+            colIndex += preTd.colspan - 1
+          }
+        } else {
+          colIndex += offsetXIndex
+        }
+        // 计算格宽高
+        let width = 0
+        for (let col = 0; col < td.colspan; col++) {
+          width += colgroup[col + colIndex].width
+        }
+        let height = 0
+        for (let row = 0; row < td.rowspan; row++) {
+          height += trList[row + t].height
+        }
+        // y偏移量
+        if (rowMinHeight === 0 || rowMinHeight > height) {
+          rowMinHeight = height
+        }
+        // 当前行最后一个td
+        const isLastRowTd = tr.tdList.length - 1 === d
+        // 当前列最后一个td
+        let isLastColTd = isLastTr
+        if (!isLastColTd) {
+          if (td.rowspan > 1) {
+            const nextTrLength = trList.length - 1 - t
+            isLastColTd = td.rowspan - 1 === nextTrLength
+          }
+        }
+        // 当前表格最后一个td
+        const isLastTd = isLastTr && isLastRowTd
+        td.isLastRowTd = isLastRowTd
+        td.isLastColTd = isLastColTd
+        td.isLastTd = isLastTd
+        // 修改当前格clientBox
+        td.x = x
+        td.y = y
+        td.width = width
+        td.height = height
+        td.rowIndex = t
+        td.colIndex = colIndex
+        // 当前列x轴累加
+        x += width
+        // 一行中的最后td
+        if (isLastRowTd && !isLastTd) {
+          x = 0
+          y += rowMinHeight
+        }
+      }
+    }
+  }
+
+  public render(ctx: CanvasRenderingContext2D, element: IElement, startX: number, startY: number) {
+    const { colgroup, trList } = element
+    if (!colgroup || !trList) return
+    const { scale } = this.options
+    const tableWidth = element.width! * scale
+    const tableHeight = element.height! * scale
+    ctx.save()
+    // 渲染边框
+    this._drawBorder(ctx, startX, startY, tableWidth, tableHeight)
+    // 渲染表格
+    for (let t = 0; t < trList.length; t++) {
+      const tr = trList[t]
+      for (let d = 0; d < tr.tdList.length; d++) {
+        const td = tr.tdList[d]
+        const { isLastRowTd, isLastColTd, isLastTd } = td
+        const width = td.width! * scale
+        const height = td.height! * scale
+        const x = td.x! * scale + startX + width
+        const y = td.y! * scale + startY
+        // 绘制线条
+        ctx.beginPath()
+        if (isLastRowTd && !isLastTd) {
+          // 是否跨行到底
+          if (y + height < startY + tableHeight) {
+            ctx.moveTo(x, y + height)
+            ctx.lineTo(x - width, y + height)
+          }
+        } else if (isLastColTd && !isLastTd) {
+          ctx.moveTo(x, y)
+          ctx.lineTo(x, y + height)
+        } else if (!isLastRowTd && !isLastColTd && !isLastTd) {
+          ctx.moveTo(x, y)
+          ctx.lineTo(x, y + height)
+          ctx.lineTo(x - width, y + height)
+        } else if (isLastTd) {
+          // 是否跨列到最右
+          if (x + width === startX + tableWidth) {
+            ctx.moveTo(x, y)
+            ctx.lineTo(x, y + height)
+          }
+        }
+        ctx.stroke()
+      }
+    }
+    ctx.restore()
+  }
+
+}

src/editor/core/event/CanvasEvent.ts

@@ -80,7 +80,12 @@ export class CanvasEvent {
       this.draw.setPageNo(Number(pageIndex))
     }
     // 结束位置
-    const { index: endIndex } = this.position.getPositionByXY(evt.offsetX, evt.offsetY)
+    const positionResult = this.position.getPositionByXY({
+      x: evt.offsetX,
+      y: evt.offsetY
+    })
+    const { index, isTable, tdValueIndex } = positionResult
+    let endIndex = isTable ? tdValueIndex! : index
     let end = ~endIndex ? endIndex : 0
     // 开始位置
     let start = this.mouseDownStartIndex
@@ -105,15 +110,46 @@ export class CanvasEvent {
       this.draw.setPageNo(Number(pageIndex))
     }
     this.isAllowDrag = true
-    const { index, isDirectHit, isImage } = this.position.getPositionByXY(evt.offsetX, evt.offsetY)
+    const positionResult = this.position.getPositionByXY({
+      x: evt.offsetX,
+      y: evt.offsetY
+    })
+    const {
+      index,
+      isDirectHit,
+      isImage,
+      isTable,
+      trIndex,
+      tdIndex,
+      tdValueIndex,
+      tdId,
+      trId,
+      tableId
+    } = positionResult
+    // 设置位置上下文
+    this.position.setPositionContext({
+      isTable: isTable || false,
+      index,
+      trIndex,
+      tdIndex,
+      tdId,
+      trId,
+      tableId
+    })
     // 记录选区开始位置
-    this.mouseDownStartIndex = index
+    this.mouseDownStartIndex = isTable ? tdValueIndex! : index
     // 绘制
     const isDirectHitImage = isDirectHit && isImage
     if (~index) {
-      this.range.setRange(index, index)
+      let curIndex = index
+      if (isTable) {
+        this.range.setRange(tdValueIndex!, tdValueIndex!)
+        curIndex = tdValueIndex!
+      } else {
+        this.range.setRange(index, index)
+      }
       this.draw.render({
-        curIndex: index,
+        curIndex,
         isSubmitHistory: false,
         isSetCursor: !isDirectHitImage,
         isComputeRowList: false
@@ -124,7 +160,8 @@ export class CanvasEvent {
     if (isDirectHitImage) {
       const elementList = this.draw.getElementList()
       const positionList = this.position.getPositionList()
-      this.imageParticle.drawResizer(elementList[index], positionList[index])
+      const curIndex = isTable ? tdValueIndex! : index
+      this.imageParticle.drawResizer(elementList[curIndex], positionList[curIndex])
     }
   }
 
@@ -167,8 +204,16 @@ export class CanvasEvent {
       this.range.setRange(curIndex, curIndex)
       this.draw.render({ curIndex })
     } else if (evt.key === KeyMap.Enter) {
+      // 表格需要上下文信息
+      const positionContext = this.position.getPositionContext()
+      let restArg = {}
+      if (positionContext.isTable) {
+        const { tdId, trId, tableId } = positionContext
+        restArg = { tdId, trId, tableId }
+      }
       const enterText: IElement = {
-        value: ZERO
+        value: ZERO,
+        ...restArg
       }
       if (isCollspace) {
         elementList.splice(index + 1, 0, enterText)
@@ -277,8 +322,16 @@ export class CanvasEvent {
     const { index } = cursorPosition
     const { startIndex, endIndex } = this.range.getRange()
     const isCollspace = startIndex === endIndex
+    // 表格需要上下文信息
+    const positionContext = this.position.getPositionContext()
+    let restArg = {}
+    if (positionContext.isTable) {
+      const { tdId, trId, tableId } = positionContext
+      restArg = { tdId, trId, tableId }
+    }
     const inputData: IElement[] = data.split('').map(value => ({
-      value
+      value,
+      ...restArg
     }))
     let start = 0
     if (isCollspace) {

src/editor/core/position/Position.ts

@@ -1,29 +1,41 @@
 import { ElementType } from "../.."
 import { ZERO } from "../../dataset/constant/Common"
 import { IEditorOption } from "../../interface/Editor"
-import { IElement, IElementPosition } from "../../interface/Element"
-import { ICurrentPosition } from "../../interface/Position"
+import { IElementPosition } from "../../interface/Element"
+import { ICurrentPosition, IGetPositionByXYPayload, IPositionContext } from "../../interface/Position"
 import { Draw } from "../draw/Draw"
 
 export class Position {
 
   private cursorPosition: IElementPosition | null
+  private positionContext: IPositionContext
   private positionList: IElementPosition[]
-  private elementList: IElement[]
 
   private draw: Draw
   private options: Required<IEditorOption>
 
   constructor(draw: Draw) {
     this.positionList = []
-    this.elementList = []
     this.cursorPosition = null
+    this.positionContext = {
+      isTable: false
+    }
 
     this.draw = draw
     this.options = draw.getOptions()
   }
 
+  public getOriginalPositionList(): IElementPosition[] {
+    return this.positionList
+  }
+
   public getPositionList(): IElementPosition[] {
+    const { isTable } = this.positionContext
+    if (isTable) {
+      const { index, trIndex, tdIndex } = this.positionContext
+      const elementList = this.draw.getOriginalElementList()
+      return elementList[index!].trList![trIndex!].tdList[tdIndex!].positionList || []
+    }
     return this.positionList
   }
 
@@ -31,7 +43,7 @@ export class Position {
     this.positionList = payload
   }
 
-  public setCursorPosition(position: IElementPosition) {
+  public setCursorPosition(position: IElementPosition | null) {
     this.cursorPosition = position
   }
 
@@ -39,22 +51,69 @@ export class Position {
     return this.cursorPosition
   }
 
-  public getPositionByXY(x: number, y: number): ICurrentPosition {
-    this.elementList = this.draw.getElementList()
+  public getPositionContext(): IPositionContext {
+    return this.positionContext
+  }
+
+  public setPositionContext(payload: IPositionContext) {
+    this.positionContext = payload
+  }
+
+  public getPositionByXY(payload: IGetPositionByXYPayload): ICurrentPosition {
+    const { x, y, isTable } = payload
+    let { elementList, positionList } = payload
+    if (!elementList) {
+      elementList = this.draw.getOriginalElementList()
+    }
+    if (!positionList) {
+      positionList = this.positionList
+    }
     const curPageNo = this.draw.getPageNo()
-    for (let j = 0; j < this.positionList.length; j++) {
-      const { index, pageNo, coordinate: { leftTop, rightTop, leftBottom } } = this.positionList[j]
+    for (let j = 0; j < positionList.length; j++) {
+      const { index, pageNo, coordinate: { leftTop, rightTop, leftBottom } } = positionList[j]
       if (curPageNo !== pageNo) continue
       // 命中元素
       if (leftTop[0] <= x && rightTop[0] >= x && leftTop[1] <= y && leftBottom[1] >= y) {
         let curPostionIndex = j
-        const element = this.elementList[j]
+        const element = elementList[j]
+        // 表格被命中
+        if (element.type === ElementType.TABLE) {
+          for (let t = 0; t < element.trList!.length; t++) {
+            const tr = element.trList![t]
+            for (let d = 0; d < tr.tdList.length; d++) {
+              const td = tr.tdList[d]
+              const tablePosition = this.getPositionByXY({
+                x,
+                y,
+                td,
+                tablePosition: positionList[j],
+                isTable: true,
+                elementList: td.value,
+                positionList: td.positionList
+              })
+              if (~tablePosition.index) {
+                return {
+                  index,
+                  isImage: tablePosition.isImage,
+                  isDirectHit: tablePosition.isDirectHit,
+                  isTable: true,
+                  tdIndex: d,
+                  trIndex: t,
+                  tdValueIndex: tablePosition.index,
+                  tdId: td.id,
+                  trId: tr.id,
+                  tableId: element.id
+                }
+              }
+            }
+          }
+        }
         // 图片区域均为命中
         if (element.type === ElementType.IMAGE) {
           return { index: curPostionIndex, isDirectHit: true, isImage: true }
         }
         // 判断是否在文字中间前后
-        if (this.elementList[index].value !== ZERO) {
+        if (elementList[index].value !== ZERO) {
           const valueWidth = rightTop[0] - leftTop[0]
           if (x < leftTop[0] + valueWidth / 2) {
             curPostionIndex = j - 1
@@ -66,8 +125,22 @@ export class Position {
     // 非命中区域
     let isLastArea = false
     let curPostionIndex = -1
+    // 判断是否在表格内
+    if (isTable) {
+      const { td, tablePosition } = payload
+      if (td && tablePosition) {
+        const { leftTop } = tablePosition.coordinate
+        const tdX = td.x! + leftTop[0]
+        const tdY = td.y! + leftTop[1]
+        const tdWidth = td.width!
+        const tdHeight = td.height!
+        if (!(tdX < x && x < tdX + tdWidth && tdY < y && y < tdY + tdHeight)) {
+          return { index: curPostionIndex }
+        }
+      }
+    }
     // 判断所属行是否存在元素
-    const firstLetterList = this.positionList.filter(p => p.isLastLetter && p.pageNo === curPageNo)
+    const firstLetterList = positionList.filter(p => p.isLastLetter && p.pageNo === curPageNo)
     for (let j = 0; j < firstLetterList.length; j++) {
       const { index, pageNo, coordinate: { leftTop, leftBottom } } = firstLetterList[j]
       if (curPageNo !== pageNo) continue
@@ -75,7 +148,7 @@ export class Position {
         const isHead = x < this.options.margins[3]
         // 是否在头部
         if (isHead) {
-          const headIndex = this.positionList.findIndex(p => p.rowNo === firstLetterList[j].rowNo)
+          const headIndex = positionList.findIndex(p => p.rowNo === firstLetterList[j].rowNo)
           curPostionIndex = ~headIndex ? headIndex : index
         } else {
           curPostionIndex = index
@@ -86,7 +159,7 @@ export class Position {
     }
     if (!isLastArea) {
       // 当前页最后一行
-      return { index: firstLetterList[firstLetterList.length - 1]?.index || this.positionList.length - 1 }
+      return { index: firstLetterList[firstLetterList.length - 1]?.index || positionList.length - 1 }
     }
     return { index: curPostionIndex }
   }

src/editor/dataset/enum/Element.ts

@@ -1,4 +1,5 @@
 export enum ElementType {
   TEXT = 'text',
-  IMAGE = 'image'
+  IMAGE = 'image',
+  TABLE = 'table'
 }

src/editor/index.ts

@@ -1,5 +1,4 @@
 import './assets/css/index.css'
-import { ZERO } from './dataset/constant/Common'
 import { IEditorOption } from './interface/Editor'
 import { IElement } from './interface/Element'
 import { Draw } from './core/draw/Draw'
@@ -7,8 +6,8 @@ import { Command } from './core/command/Command'
 import { CommandAdapt } from './core/command/CommandAdapt'
 import { Listener } from './core/listener/Listener'
 import { RowFlex } from './dataset/enum/Row'
-import { getUUID } from './utils'
 import { ElementType } from './dataset/enum/Element'
+import { formatElementList } from './utils/element'
 
 export default class Editor {
 
@@ -42,22 +41,11 @@ export default class Editor {
       marginIndicatorSize: 35,
       marginIndicatorColor: '#BABABA',
       margins: [100, 120, 100, 120],
+      tdPadding: 5,
+      defaultTdHeight: 40,
       ...options
     }
-    if (elementList[0]?.value !== ZERO) {
-      elementList.unshift({
-        value: ZERO
-      })
-    }
-    for (let i = 0; i < elementList.length; i++) {
-      const el = elementList[i]
-      if (el.value === '\n') {
-        el.value = ZERO
-      }
-      if (el.type === ElementType.IMAGE) {
-        el.id = getUUID()
-      }
-    }
+    formatElementList(elementList)
     // 监听
     this.listener = new Listener()
     // 启动

src/editor/interface/Draw.ts

@@ -1,3 +1,6 @@
+import { IElementPosition } from "./Element"
+import { IRow } from "./Row"
+
 export interface IDrawOption {
   curIndex?: number;
   isSetCursor?: boolean;
@@ -16,4 +19,20 @@ export interface IImageParticleCreateResult {
   resizerHandleList: HTMLDivElement[];
   resizerImageContainer: HTMLDivElement;
   resizerImage: HTMLImageElement;
+}
+
+export interface IDrawRowPayload {
+  positionList: IElementPosition[];
+  rowList: IRow[];
+  pageNo: number;
+  startIndex: number;
+  startX: number;
+  startY: number;
+  innerWidth: number;
+}
+
+export interface IDrawRowResult {
+  x: number;
+  y: number;
+  index: number;
 }

src/editor/interface/Editor.ts

@@ -23,5 +23,7 @@ export interface IEditorOption {
   resizerSize?: number;
   marginIndicatorSize?: number;
   marginIndicatorColor?: string,
-  margins?: [top: number, right: number, bootom: number, left: number]
+  margins?: [top: number, right: number, bootom: number, left: number],
+  tdPadding?: number;
+  defaultTdHeight?: number;
 }

src/editor/interface/Element.ts

@@ -1,11 +1,12 @@
 import { ElementType } from "../dataset/enum/Element"
 import { RowFlex } from "../dataset/enum/Row"
+import { IColgroup } from "./table/Colgroup"
+import { ITr } from "./table/Tr"
 
-export interface IElementMetrics {
-  width: number;
-  height: number;
-  boundingBoxAscent: number;
-  boundingBoxDescent: number;
+export interface IElementBasic {
+  id?: string;
+  type?: ElementType;
+  value: string;
 }
 
 export interface IElementStyle {
@@ -23,13 +24,27 @@ export interface IElementStyle {
   rowMargin?: number;
 }
 
-export interface IElementBasic {
-  id?: string;
-  type?: ElementType;
-  value: string;
+export interface ITableAttr {
+  colgroup?: IColgroup[];
+  trList?: ITr[];
+}
+
+export interface ITableElement {
+  tdId?: string;
+  trId?: string;
+  tableId?: string;
 }
 
-export type IElement = IElementBasic & IElementStyle
+export type ITable = ITableAttr & ITableElement
+
+export type IElement = IElementBasic & IElementStyle & ITable
+
+export interface IElementMetrics {
+  width: number;
+  height: number;
+  boundingBoxAscent: number;
+  boundingBoxDescent: number;
+}
 
 export interface IElementPosition {
   pageNo: number;

src/editor/interface/Position.ts

@@ -1,5 +1,36 @@
+import { IElement } from ".."
+import { IElementPosition } from "./Element"
+import { ITd } from "./table/Td"
+
 export interface ICurrentPosition {
   index: number;
   isImage?: boolean;
+  isTable?: boolean;
   isDirectHit?: boolean;
+  trIndex?: number;
+  tdIndex?: number;
+  tdValueIndex?: number;
+  tdId?: string;
+  trId?: string;
+  tableId?: string;
+}
+
+export interface IGetPositionByXYPayload {
+  x: number;
+  y: number;
+  isTable?: boolean;
+  td?: ITd;
+  tablePosition?: IElementPosition;
+  elementList?: IElement[];
+  positionList?: IElementPosition[];
+}
+
+export interface IPositionContext {
+  isTable: boolean;
+  index?: number;
+  trIndex?: number;
+  tdIndex?: number;
+  tdId?: string;
+  trId?: string;
+  tableId?: string;
 }

src/editor/interface/table/Colgroup.ts

@@ -0,0 +1,4 @@
+export interface IColgroup {
+  id?: string;
+  width: number;
+}

src/editor/interface/table/Td.ts

@@ -0,0 +1,20 @@
+import { IElement, IElementPosition } from "../Element"
+import { IRow } from "../Row"
+
+export interface ITd {
+  id?: string;
+  x?: number;
+  y?: number;
+  width?: number;
+  height?: number;
+  colspan: number;
+  rowspan: number;
+  value: IElement[];
+  isLastRowTd?: boolean;
+  isLastColTd?: boolean;
+  isLastTd?: boolean;
+  rowIndex?: number;
+  colIndex?: number;
+  rowList?: IRow[];
+  positionList?: IElementPosition[];
+}

src/editor/interface/table/Tr.ts

@@ -0,0 +1,7 @@
+import { ITd } from "./Td"
+
+export interface ITr {
+  id?: string;
+  height: number;
+  tdList: ITd[];
+}

src/editor/utils/element.ts

@@ -0,0 +1,43 @@
+import { getUUID } from "."
+import { ElementType, IElement } from ".."
+import { ZERO } from "../dataset/constant/Common"
+
+export function formatElementList(elementList: IElement[]) {
+  if (elementList[0]?.value !== ZERO) {
+    elementList.unshift({
+      value: ZERO
+    })
+  }
+  for (let i = 0; i < elementList.length; i++) {
+    const el = elementList[i]
+    if (el.type === ElementType.TABLE) {
+      const tableId = getUUID()
+      el.id = tableId
+      if (el.trList) {
+        for (let t = 0; t < el.trList.length; t++) {
+          const tr = el.trList[t]
+          const trId = getUUID()
+          tr.id = trId
+          for (let d = 0; d < tr.tdList.length; d++) {
+            const td = tr.tdList[d]
+            const tdId = getUUID()
+            td.id = tdId
+            formatElementList(td.value)
+            for (let v = 0; v < td.value.length; v++) {
+              const value = td.value[v]
+              value.tdId = tdId
+              value.trId = trId
+              value.tableId = tableId
+            }
+          }
+        }
+      }
+    }
+    if (el.value === '\n') {
+      el.value = ZERO
+    }
+    if (el.type === ElementType.IMAGE) {
+      el.id = getUUID()
+    }
+  }
+}

src/main.ts

@@ -3,7 +3,7 @@ import Editor, { ElementType, IElement, RowFlex } from './editor'
 
 window.onload = function () {
 
-  const text = `人民医院门诊病历\n主诉：\n发热三天，咳嗽五天。\n现病史：\n患者于三天前无明显诱因，感冒后发现面部水肿，无皮疹，尿量减少，出现乏力，在外治疗无好转，现来我院就诊。\n既往史：\n有糖尿病10年，有高血压2年，有传染性疾病1年。没有报告其他既往疾病。\n流行病史：\n否认14天内接触过新冠肺炎确诊患者、疑似患者、无症状感染者及其密切接触者；否认14天内去过以下场所：水产、肉类批发市场，农贸市场，集市，大型超市，夜市；否认14天内与以下场所工作人员密切接触：水产、肉类批发市场，农贸市场，集市，大型超市；否认14天内周围（如家庭、办公室）有2例以上聚集性发病；否认14天内接触过有发热或呼吸道症状的人员；否认14天内自身有发热或呼吸道症状；否认14天内接触过纳入隔离观察的人员及其他可能与新冠肺炎关联的情形；陪同家属{有无选择代码}有以上情况。\n体格检查：\nT：36.5℃，P：80bpm，R：20次/分，BP：120/80mmHg；\n辅助检查：\n2020年6月10日，普放：血细胞比容36.50%（偏低）40～50；单核细胞绝对值0.75*10^9/L（偏高）参考值：0.1～0.6；\n门诊诊断：\n1.高血压\n2.糖尿病\n3.病毒性感冒\n4.过敏性鼻炎\n5.过敏性鼻息肉\n处置治疗：\n1.超声引导下甲状腺细针穿刺术；\n2.乙型肝炎表面抗体测定；\n3.膜式病变细胞采集术、后颈皮下肤层；\n电子签名：【】`
+  const text = `人民医院门诊病历\n主诉：\n发热三天，咳嗽五天。\n现病史：\n患者于三天前无明显诱因，感冒后发现面部水肿，无皮疹，尿量减少，出现乏力，在外治疗无好转，现来我院就诊。\n既往史：\n有糖尿病10年，有高血压2年，有传染性疾病1年。没有报告其他既往疾病。\n流行病史：\n否认14天内接触过新冠肺炎确诊患者、疑似患者、无症状感染者及其密切接触者；否认14天内去过以下场所：水产、肉类批发市场，农贸市场，集市，大型超市，夜市；否认14天内与以下场所工作人员密切接触：水产、肉类批发市场，农贸市场，集市，大型超市；否认14天内周围（如家庭、办公室）有2例以上聚集性发病；否认14天内接触过有发热或呼吸道症状的人员；否认14天内自身有发热或呼吸道症状；否认14天内接触过纳入隔离观察的人员及其他可能与新冠肺炎关联的情形；陪同家属{有无选择代码}有以上情况。\n体格检查：\nT：36.5℃，P：80bpm，R：20次/分，BP：120/80mmHg；\n辅助检查：\n2020年6月10日，普放：血细胞比容36.50%（偏低）40～50；单核细胞绝对值0.75*10^9/L（偏高）参考值：0.1～0.6；\n门诊诊断：\n1.高血压\n2.糖尿病\n3.病毒性感冒\n4.过敏性鼻炎\n5.过敏性鼻息肉\n处置治疗：\n1.超声引导下甲状腺细针穿刺术；\n2.乙型肝炎表面抗体测定；\n3.膜式病变细胞采集术、后颈皮下肤层；\n电子签名：【】\n其他记录：`
   // 模拟行居中
   const centerText = ['人民医院门诊病历']
   const centerIndex: number[] = centerText.map(c => {
@@ -11,7 +11,7 @@ window.onload = function () {
     return ~i ? Array(c.length).fill(i).map((_, j) => i + j) : []
   }).flat()
   // 模拟加粗字
-  const boldText = ['主诉：', '现病史：', '既往史：', '流行病史：', '体格检查：', '辅助检查：', '门诊诊断：', '处置治疗：', '电子签名：']
+  const boldText = ['主诉：', '现病史：', '既往史：', '流行病史：', '体格检查：', '辅助检查：', '门诊诊断：', '处置治疗：', '电子签名：', '其他记录：']
   const boldIndex: number[] = boldText.map(b => {
     const i = text.indexOf(b)
     return ~i ? Array(b.length).fill(i).map((_, j) => i + j) : []
@@ -69,12 +69,116 @@ window.onload = function () {
     id: 'signature',
     type: ElementType.IMAGE
   })
+  data.push({
+    type: ElementType.TABLE,
+    value: `\n`,
+    colgroup: [{
+      width: 180
+    }, {
+      width: 80
+    }, {
+      width: 130
+    }, {
+      width: 130
+    }],
+    trList: [{
+      height: 40,
+      tdList: [{
+        colspan: 1,
+        rowspan: 2,
+        value: [
+          { value: `1`, size: 16 },
+          { value: '.', size: 16 }
+        ]
+      }, {
+        colspan: 1,
+        rowspan: 1,
+        value: [
+          { value: `2`, size: 16 },
+          { value: '.', size: 16 }
+        ]
+      }, {
+        colspan: 2,
+        rowspan: 1,
+        value: [
+          { value: `3`, size: 16 },
+          { value: '.', size: 16 }
+        ]
+      }]
+    }, {
+      height: 40,
+      tdList: [{
+        colspan: 1,
+        rowspan: 1,
+        value: [
+          { value: `4`, size: 16 },
+          { value: '.', size: 16 }
+        ]
+      }, {
+        colspan: 1,
+        rowspan: 1,
+        value: [
+          { value: `5`, size: 16 },
+          { value: '.', size: 16 }
+        ]
+      }, {
+        colspan: 1,
+        rowspan: 1,
+        value: [
+          { value: `6`, size: 16 },
+          { value: '.', size: 16 }
+        ]
+      }]
+    }, {
+      height: 40,
+      tdList: [{
+        colspan: 1,
+        rowspan: 1,
+        value: [
+          { value: `7`, size: 16 },
+          { value: '.', size: 16 }
+        ]
+      }, {
+        colspan: 1,
+        rowspan: 1,
+        value: [
+          { value: `8`, size: 16 },
+          { value: '.', size: 16 }
+        ]
+      }, {
+        colspan: 1,
+        rowspan: 1,
+        value: [
+          { value: `9`, size: 16 },
+          { value: '.', size: 16 }
+        ]
+      }, {
+        colspan: 1,
+        rowspan: 1,
+        value: [
+          { value: `1`, size: 16 },
+          { value: `0`, size: 16 },
+          { value: '.', size: 16 }
+        ]
+      }]
+    }]
+  })
+  data.push(...[{
+    value: 'E',
+    size: 16
+  }, {
+    value: 'O',
+    size: 16
+  }, {
+    value: 'F',
+    size: 16
+  }])
   // 初始化编辑器
   const container = document.querySelector<HTMLDivElement>('.editor')!
   const instance = new Editor(container, data, {
     margins: [100, 120, 100, 120]
   })
-  console.log('编辑器实例: ', instance)
+  console.log('实例: ', instance)
 
   // 撤销、重做、格式刷、清除格式
   const undoDom = document.querySelector<HTMLDivElement>('.menu-item__undo')!
@@ -183,7 +287,81 @@ window.onload = function () {
     const li = evt.target as HTMLLIElement
     instance.command.executeRowMargin(Number(li.dataset.rowmargin!))
   }
-  // 图片上传、搜索、打印
+  // 表格插入、图片上传、搜索、打印
+  const tableDom = document.querySelector<HTMLDivElement>('.menu-item__table')!
+  const tablePanelContainer = document.querySelector<HTMLDivElement>('.menu-item__table__collapse')!
+  const tableClose = document.querySelector<HTMLDivElement>('.table-close')!
+  const tableTitle = document.querySelector<HTMLDivElement>('.table-select')!
+  const tablePanel = document.querySelector<HTMLDivElement>('.table-panel')!
+  // 绘制行列
+  const tableCellList: HTMLDivElement[][] = []
+  for (let i = 0; i < 10; i++) {
+    const tr = document.createElement('tr')
+    tr.classList.add('table-row')
+    const trCellList: HTMLDivElement[] = []
+    for (let j = 0; j < 10; j++) {
+      const td = document.createElement('td')
+      td.classList.add('table-cel')
+      tr.append(td)
+      trCellList.push(td)
+    }
+    tablePanel.append(tr)
+    tableCellList.push(trCellList)
+  }
+  let colIndex = 0
+  let rowIndex = 0
+  // 移除所有格选择
+  function removeAllTableCellSelect() {
+    tableCellList.forEach(tr => {
+      tr.forEach(td => td.classList.remove('active'))
+    })
+  }
+  // 设置标题内容
+  function setTableTitle(payload: string) {
+    tableTitle.innerText = payload
+  }
+  // 恢复初始状态
+  function recoveryTable() {
+    // 还原选择样式、标题、选择行列
+    removeAllTableCellSelect()
+    setTableTitle('插入')
+    colIndex = 0
+    rowIndex = 0
+    // 隐藏panel
+    tablePanelContainer.style.display = 'none'
+  }
+  tableDom.onclick = function () {
+    console.log('table')
+    tablePanelContainer!.style.display = 'block'
+  }
+  tablePanel.onmousemove = function (evt) {
+    const celSize = 16
+    const rowMarginTop = 10
+    const celMarginRight = 6
+    const { offsetX, offsetY } = evt
+    // 移除所有选择
+    removeAllTableCellSelect()
+    colIndex = Math.ceil(offsetX / (celSize + celMarginRight)) || 1
+    rowIndex = Math.ceil(offsetY / (celSize + rowMarginTop)) || 1
+    // 改变选择样式
+    tableCellList.forEach((tr, trIndex) => {
+      tr.forEach((td, tdIndex) => {
+        if (tdIndex < colIndex && trIndex < rowIndex) {
+          td.classList.add('active')
+        }
+      })
+    })
+    // 改变表格标题
+    setTableTitle(`${rowIndex}×${colIndex}`)
+  }
+  tableClose.onclick = function () {
+    recoveryTable()
+  }
+  tablePanel.onclick = function () {
+    // 应用选择
+    instance.command.executeInsertTable(rowIndex, colIndex)
+    recoveryTable()
+  }
   const imageDom = document.querySelector<HTMLDivElement>('.menu-item__image')!
   const imageFileDom = document.querySelector<HTMLInputElement>('#image')!
   imageDom.onclick = function () {
@@ -308,7 +486,6 @@ window.onload = function () {
   }
 
   instance.listener.pageScaleChange = function (payload) {
-    console.log('payload: ', payload);
     document.querySelector<HTMLSpanElement>('.page-scale-percentage')!.innerText = `${Math.floor(payload * 10 * 10)}%`
   }
 

src/style.css

@@ -78,7 +78,7 @@ ul {
   display: flex;
   align-items: center;
   justify-content: center;
-  margin: 0 6px;
+  margin: 0 5px;
 }
 
 .menu-item>div:hover {
@@ -97,7 +97,7 @@ ul {
   background-size: 100% 100%;
 }
 
-.menu-item>div span {
+.menu-item>div>span {
   width: 16px;
   height: 3px;
   display: inline-block;
@@ -272,6 +272,91 @@ ul {
   display: none;
 }
 
+.menu-item__table {
+  position: relative;
+}
+
+.menu-item__table i {
+  background-image: url('./assets/images/table.svg');
+}
+
+.menu-item .menu-item__table__collapse {
+  width: 270px;
+  height: 310px;
+  background: #fff;
+  box-shadow: 0 2px 12px 0 rgb(56 56 56 / 20%);
+  border: 1px solid #e2e6ed;
+  box-sizing: border-box;
+  border-radius: 2px;
+  position: absolute;
+  display: none;
+  z-index: 99;
+  top: 25px;
+  left: 0;
+  padding: 14px 27px;
+  cursor: auto;
+}
+
+.menu-item .menu-item__table__collapse .table-close {
+  position: absolute;
+  right: 10px;
+  top: 5px;
+  cursor: pointer;
+}
+
+.menu-item .menu-item__table__collapse .table-close:hover {
+  color: #7d7e80;
+}
+
+.menu-item .menu-item__table__collapse:hover {
+  background: #fff;
+}
+
+.menu-item .menu-item__table__collapse .table-title {
+  display: flex;
+  justify-content: flex-start;
+  padding-bottom: 5px;
+  border-bottom: 1px solid #e2e6ed;
+}
+
+.table-title span {
+  font-size: 12px;
+  color: #3d4757;
+  display: inline;
+  margin: 0;
+}
+
+.table-panel {
+  cursor: pointer;
+}
+
+.table-panel .table-row {
+  display: flex;
+  flex-wrap: nowrap;
+  margin-top: 10px;
+  pointer-events: none;
+}
+
+.table-panel .table-cel {
+  width: 16px;
+  height: 16px;
+  box-sizing: border-box;
+  border: 1px solid #e2e6ed;
+  background: #fff;
+  position: relative;
+  margin-right: 6px;
+  pointer-events: none;
+}
+
+.table-panel .table-cel.active {
+  border: 1px solid rgba(73, 145, 242, .2);
+  background: rgba(73, 145, 242, .15);
+}
+
+.table-panel .table-row .table-cel:last-child {
+  margin-right: 0;
+}
+
 .menu-item__search {
   position: relative;
 }