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117 lines
1.7 KiB
117 lines
1.7 KiB
# 获取数据命令
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## 使用方式
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```javascript
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import Editor from "@hufe921/canvas-editor"
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const instance = new Editor(container, <IElement[]>data, options)
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const value = instance.command.commandName()
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```
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## getValue
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功能：获取当前文档信息
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用法：
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```javascript
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const {
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version: string;
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width: number;
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height: number;
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margins: IMargin;
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header?: IHeader;
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watermark?: IWatermark;
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data: IEditorData;
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} = instance.command.getValue(options?: IGetValueOption)
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```
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## getImage
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功能：获取当前页面图片 base64 字符串
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用法：
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```javascript
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const base64StringList = await instance.command.getImage(pixelRatio?: number)
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```
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## getWordCount
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功能：获取文档字数
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用法：
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```javascript
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const wordCount = await instance.command.getWordCount()
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```
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## getRangeText
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功能：获取选区文本
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用法：
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```javascript
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const rangeText = instance.command.getRangeText()
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```
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## getRangeContext
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功能：获取选区上下文
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用法：
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```javascript
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const rangeContext = instance.command.getRangeContext()
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```
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## getPaperMargin
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功能：获取页边距
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用法：
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```javascript
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const [top: number, right: number, bottom: number, left: number] =
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instance.command.getPaperMargin()
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```
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## getSearchNavigateInfo
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功能：获取搜索导航信息
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用法：
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```javascript
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const {
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index: number;
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count: number;
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} = instance.command.getSearchNavigateInfo()
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```
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## getCatalog
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功能：获取目录
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用法：
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```javascript
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const catalog = await instance.command.getCatalog()
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```
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## getHTML
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功能：获取 HTML
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用法：
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```javascript
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const {
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header: string
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main: string
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footer: string
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} = await instance.command.getHTML()
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```
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