点击进行拖拽移动-优快云博客

本文链接：https://blog.youkuaiyun.com/ScumStudy/article/details/124057311

在这里插入图片描述

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.js"></script>
  <script src="https://unpkg.com/axios/dist/axios.min.js"></script>
  <script src="https://cdn.bootcdn.net/ajax/libs/moment.js/2.27.0/moment.js"></script>
  <style>
    .box{
      width: 100px;
      height: 100px;
      background-color: skyblue;
      position: relative;
    }
  </style>
</head>

<body>
  <div id="app">
    <div class="box" @mousedown="move"></div>
  </div>
  <script>
    new Vue({
      el: '#app',
      data() {
        return {
          positionX:'',
          positionY:''
        }
      },
      methods: {
        move(e) {
          console.log(e)
          let odiv = e.target; //获取目标元素
          console.log(odiv.offsetLeft)
          // //算出鼠标相对元素的位置
          let disX = e.clientX - odiv.offsetLeft;
          console.log(disX)
          let disY = e.clientY - odiv.offsetTop;
          document.onmousemove = (e) => { //鼠标按下并移动的事件
            //用鼠标的位置减去鼠标相对元素的位置，得到元素的位置
            let left = e.clientX - disX;
            let top = e.clientY - disY;

            //绑定元素位置到positionX和positionY上面
            this.positionX = top;
            this.positionY = left;

            //移动当前元素
            odiv.style.left = left + 'px';
            odiv.style.top = top + 'px';
          };
          document.onmouseup = (e) => {
            document.onmousemove = null;
            document.onmouseup = null;
          };
        }
      },
    })
  </script>
</body>

</html>