// v-divDrag: 弹窗拖拽属性

export default {
  // 指令的定义
  mounted: function (el) {
    let oDiv = el; // 获取当前元素
    oDiv.onmousedown = (e) => {
      //console.log("onmousedown");
      // 算出鼠标相对元素的位置
      let disX = e.clientX - oDiv.offsetLeft;
      let disY = e.clientY - oDiv.offsetTop;

      document.onmousemove = (e) => {
        // 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;

        oDiv.style.left = left + "px";
        oDiv.style.top = top + "px";
      };

      document.onmouseup = (e) => {
        document.onmousemove = null;
        document.onmouseup = null;
      };
    };
  },
};