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ff-js-web-screen-shot

v1.2.2

Published

web端自定义截屏插件(原生JS版)

Downloads

1

Readme

js-web-screen-shot · npm yarn github

web端自定义截屏插件(原生JS版),运行视频:实现web端自定义截屏功能 ,效果图如下:截屏效果图

插件安装

yarn add js-web-screen-shot

# or

npm install js-web-screen-shot --save

插件使用

由于插件采用原生js编写且不依赖任何第三方库,因此它可以在任意一台支持js的设备上运行。

import形式使用插件

  • 在需要使用截屏插件的业务代码中导入插件
import ScreenShort from "js-web-screen-shot";
  • 在业务代码中使用时实例化插件即可
new ScreenShort();

⚠️注意:实例化插件时一定要等dom加载完成,否则插件无法正常工作。

cdn形式使用插件

  • 将插件的dist文件夹复制到你的项目中
  • 使用script标签引入dist目录下的screenShotPlugin.umd.js文件
<script src="./screenShotPlugin.umd.js"></script>
  • 在业务代码中使用时实例化插件即可
    // 截图确认按钮回调函数
    const callback = (base64) =>{
      console.log(base64);
    }
    // 截图取消时的回调函数
    const closeFn = ()=>{
      console.log("截图窗口关闭");
    }
    new screenShotPlugin({enableWebRtc: true, completeCallback: callback,closeCallback: closeFn});

⚠️注意:实例化插件时一定要等dom加载完成,否则插件无法正常工作。

参数说明

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
  • completeCallback 截图完成回调函数,值为Function类型,最右侧的对号图标点击后会将图片的base64地址回传给你定义的函数,如果不传的话则会将图片的base64地址放到sessionStorage中,你可以通过下述方式拿到他:
sessionStorage.getItem("screenShotImg");
  • closeCallback 截图关闭回调函数,值为Function类型。
  • level 截图容器层级,值为number类型。
  • canvasWidth 画布宽度,值为number类型。
  • canvasHeight 画布高度,值为number类型。
  • position 截图容器位置,值为{left?: number, top?: number}类型

写在最后

至此,插件的所有使用方法就介绍完了,该插件的Vue3版本,请移步:vue-web-screen-shot