// 自定义指令 directives: { drag: { inserted: function (el) { const dragDom = el; dragDom.style.cursor = "e-resize"; dragDom.onmousedown = (e) => { // 鼠标按下,计算当前元素距离可视区的距离 const disX = e.clientX; const w = dragDom.clientWidth; const minW = 240; const maxW = 600; var nw; document.onmousemove = function (e) { // 通过事件委托,计算移动的距离 const l = e.clientX - disX; // 改变当前元素宽度,不可超过最小最大值 nw = w + l; nw = nw < minW ? minW : nw; nw = nw > maxW ? maxW : nw; dragDom.style.width = `${nw}px`; }; document.onmouseup = function (e) { document.onmousemove = null; document.onmouseup = null; }; }; }, }, },
//在需要拖动的元素上添加自定义指令
<div class="s-l" v-drag>标签:vue,const,自定义,元素,document,dragDom,nw From: https://www.cnblogs.com/qdyzhuang/p/16943586.html