export function setMove(downId, moveID) {
  let moveDiv = document.getElementById(downId)
  moveDiv.style.cssText += ';cursor:move;'
  let informationBox = document.getElementById(moveID)
  const sty = (() => {
    if (window.document.currentStyle) {
      return (dom, attr) => dom.currentStyle[attr];
    } else {
      return (dom, attr) => getComputedStyle(dom, false)[attr];
    }
  })()
  moveDiv.onmousedown = (e) => {
    // 鼠标按下，计算当前元素距离可视区的距离
    const disX = e.clientX - moveDiv.offsetLeft;
    const disY = e.clientY - moveDiv.offsetTop;
    // 获取到的值带px 正则匹配替换
    let styL = sty(informationBox, 'left');
    let styT = sty(informationBox, 'top');
    // 第一次获取到的值为组件自带50% 移动之后赋值为px
    if (styL.includes('%')) {
      styL = +document.body.clientWidth * (+styL.replace(/\%/g, '') / 100);
      styT = +document.body.clientHeight * (+styT.replace(/\%/g, '') / 100);
    } else {
      styL = +styL.replace(/\px/g, '');
      styT = +styT.replace(/\px/g, '');
    }
    document.onmousemove = function (e) {
      // 通过事件委托，计算移动的距离
      let left = e.clientX - disX;
      let top = e.clientY - disY;
      // 移动当前元素
      informationBox.style.cssText += `;left:${left + styL}px;top:${top + styT}px;`;
    };
    document.onmouseup = function (e) {
      document.onmousemove = null;
      document.onmouseup = null;
    };
  }
}