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screen-shot-fix

v1.0.0

Published

基于web端自定义截屏插件(Vue3版)的项目,增加了截图完成时截图区域位置信息的回调,删除了其它工具栏

Downloads

3

Readme

#基于web端自定义截屏插件(Vue3版)的项目,增加了截图完成时截图区域位置信息的回调,删除了其他工具栏,原始项目详见:https://github.com/likaia/screen-shot

screen-shot-fix · npm yarn github

web端自定义截屏插件(Vue3版),运行视频:实现web端自定义截屏功能 , 本插件仅支持Vue3,如需在其他平台使用请移步 :js-web-screen-shot 效果图如下: 截屏效果图

写在前面

关于此插件的更多介绍以及实现原理请移步:

插件安装

yarn add screen-shot-fix

# or

npm install screen-shot-fix --save

插件使用

由于插件使用Vue3编写,因此它只能在Vue3项目中运行,如果你需要在vue2项目或者其他js项目中运行请移步:js-web-screen-shot,它采用原生js编写,功能与本插件功能一致。

注意⚠️: 如果需要使用插件的webrtc模式或者截图写入剪切板功能,需要你的网站运行在https环境或者localhost环境。

  • 在项目的入口文件main.ts/main.js中加入下述代码
// 导入截屏插件
import screenShort from "screen-shot-fix";
const app = createApp(App);
// 使用截屏插件
app.use(screenShort, { enableWebRtc: false })
  • 在你的需要使用的业务代码中,添加下述代码
<template>
  <!--截图组件-->
  <screen-short v-if="screenshotStatus"
  @destroy-component="destroyComponent"
  @get-image-data="getImg"
  @get-cut-position="getCutPosition"
  ></screen-short>
</template>

<script lang="ts">

export default defineComponent({
  setup(props, context) {
    const screenshotStatus = ref<boolean>(false);
    // 销毁组件函数
    const destroyComponent = function(status: boolean) {
      screenshotStatus.value = status;
    }
    // 获取裁剪区域图片信息
    const getImg = function(base64: string) {
      console.log("截图组件传递的图片信息", base64);
    }
    const getCutPosition = function(position: { x: number; y: number; width: number; height: number }) {
      console.log("截图组件传递的截图区域位置信息", position);
    }
    
    return {
      screenshotStatus,
      destroyComponent,
      getImg,
      getCutPosition
    }
  }
})
</script>

参数说明

如示例代码所示,在template中直接使用screen-short插件,绑定组件需要的事件处理函数即可。

接下来就跟大家讲下组件中每个属性的意义:

  • screenshotStatus 用于控制组件是否出现在dom中
  • @destroy-component 用于接收截图组件传递的销毁消息,我们需要在对应的函数中销毁截图组件
  • @get-image-data 用于接收截图组件传递的框选区域的base64图片信息,我们需要为他提供一个函数来接收截图组件传递的消息
  • @get-cut-position 用于截图完成时的截图区域位置信息的回调 -----》基于原始项目增加的回调
  • @webrtc-error 使用webrtc模式截图时,当用户的浏览器不支持或者未授权时会触发此回调

可选参数

截图插件有一个可选参数,它接受一个对象,对象每个key的作用如下:

  • enableWebRtc 是否启用webrtc,值为boolean类型,值为false则使用html2canvas来截图
  • level 截图容器层级,值为number类型。
  • clickCutFullScreen 单击截全屏启用状态,值为boolean类型, 默认为false
  • hiddenToolIco 需要隐藏的截图工具栏图标,值为{ save?: boolean; undo?: boolean; confirm?: boolean }类型,默认为{}。传你需要隐藏的图标名称,将值设为true即可。
  • enableCORS html2canvas截图模式下跨域的启用状态,值为boolean类型,默认为false
  • proxyAddress html2canvas截图模式下的图片服务器代理地址,值为string类型,默认为undefined
  • writeBase64 是否将截图内容写入剪切板,值为boolean类型,默认为true
  • wrcWindowMode 是否启用窗口截图模式,值为boolean类型,默认为false,即当前标签页截图。如果标签页截图的内容有滚动条或者底部有空缺,可以考虑启用此模式。
  • hiddenScrollBar 是否隐藏滚动条,用webrtc模式截图时chrome 112版本的浏览器在部分系统下会挤压出现滚动条,如果出现你可以尝试通过此参数来进行修复。值为Object类型,有4个属性:
    • state: boolean; 启用状态, 默认为false
    • fillState?: boolean; 填充状态,默认为false
    • color?: string; 填充层颜色,滚动条隐藏后可能会出现空缺,需要进行填充,默认填充色为黑色。
    • fillWidth?: number; 填充层宽度,默认为截图容器的宽度
    • fillHeight?: number; 填充层高度,默认为空缺区域的高度