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