Files
crmeb_java/admin/src/directive/dialog/dragHeight.js
2025-06-24 14:43:09 +08:00

39 lines
1.3 KiB
JavaScript

/**
* v-dialogDragWidth 可拖动弹窗高度(右下角)
* Copyright (c) 2019 ruoyi
*/
export default {
bind(el) {
const dragDom = el.querySelector('.el-dialog');
const lineEl = document.createElement('div');
lineEl.style =
'width: 6px; background: inherit; height: 10px; position: absolute; right: 0; bottom: 0; margin: auto; z-index: 1; cursor: nwse-resize;';
lineEl.addEventListener(
'mousedown',
function (e) {
// 鼠标按下,计算当前元素距离可视区的距离
const disX = e.clientX - el.offsetLeft;
const disY = e.clientY - el.offsetTop;
// 当前宽度 高度
const curWidth = dragDom.offsetWidth;
const curHeight = dragDom.offsetHeight;
document.onmousemove = function (e) {
e.preventDefault(); // 移动时禁用默认事件
// 通过事件委托,计算移动的距离
const xl = e.clientX - disX;
const yl = e.clientY - disY;
dragDom.style.width = `${curWidth + xl}px`;
dragDom.style.height = `${curHeight + yl}px`;
};
document.onmouseup = function (e) {
document.onmousemove = null;
document.onmouseup = null;
};
},
false,
);
dragDom.appendChild(lineEl);
},
};