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web-area-selector

v1.0.4

Published

web page area selector that return rect area info

Downloads

2

Readme

web-area-selector

类似其他截图工具的页面

效果图

web-area-selector

使用方法

  1. 安装
npm i --save web-area-selector

yarn add web-area-selector
  1. 导入
import AreaSelector from "web-area-selector";
  1. 在需要开始录制的位置通过单例来开始截图,如下
async selectArea() {
  const result = await AreaSelector.getInstance().init();
  alert(JSON.stringify(result));
}

上面代码中,会等待用户完成框选并返回结果,结果信息如下,分别为框选区域的左上角和右下角的位置

{
  leftTop: {
    clientX: 121,
    clientY: 200
  },
  rightBottom: {
    clientX: 1213,
    clientY: 850
  }
}

可以使用上面的矩形区域信息来做其他事情,如通过其他截图插件截图等

  1. AreaSelector 也支持中途退出框选,在需要退出的地方调用
AreaSelector.getInstance().stop();

即可

如下面,监听键盘 ESC 事件

document.addEventListener("keydown", (event) => {
  switch (event.keyCode) {
    case 27:
      AreaSelector.getInstance().stop();
      break;
  }
});

PS: 建议通过单例模式来使用,以免造成不必要的麻烦