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x-wxml-to-canvas

v1.0.4

Published

基于微信小程序 wxml-to-canvas 改版的 uni版本的 html-to-canvas

Downloads

24

Readme

介绍

  • 基于uniapp目前仅测试小程序与h5
  • 根据微信小程序wxml-to-canvas封装,支持的 css 属性及写法 一定一定 要 按 官方文档
  • uni插件市场

使用

1、页面引用

import xWxmlToCanvas from '@/components/x-wxml-to-canvas/x-wxml-to-canvas';

2、components声明

components: {
		xWxmlToCanvas
	} 

3、使用

<xWxmlToCanvas ref="xWxmlToCanvas" :hide="true" :width="300" :height="300" :xStyle="style" :xWxml="wxml"></xWxmlToCanvas>

4、方法调用

this.$refs.xWxmlToCanvas.renderToCanvas() //渲染至canvas
this.$refs.xWxmlToCanvas.canvasToTempFilePath() //生成图片
this.$refs.xWxmlToCanvas.getCanvasImage() //获取图片
this.$refs.xWxmlToCanvas.saveImageToPhotosAlbum() //下载图片

相关字段

| 字段 | 类型 |默认值 |描述 | | ---- | ---- |---- |---- | | isMode | Boolean |false| 是否支持image标签的mode | hide | Boolean |false| canvas是否在页面可见 true 通过fixed将canvas移至屏幕外 | width | Number |300| canvas宽度 | height | Number |300| canvas高度 | xWxml | String || wxml 模板 | xStyle | Object |{}| 样式 |useCORS|Boolean | true | canvas 图片跨域


相关方法

| 方法名 |描述 | 返回值 | | ---- |---- |---- | | renderToCanvas | 将wxml渲染至页面|无 | | canvasToTempFilePath | 将canvas转为图片地址 (H5端 Canvas 内绘制的图像需要支持跨域访问才能成功)|promise函数,返回 图片地址,h5为base64 | | getCanvasImage | renderToCanvas 与 canvasToTempFilePath 合并 |promise函数,返回 图片地址,h5为base64 | | saveImageToPhotosAlbum | 图片保存至本地 |promise函数,返回 true / flase|