自定义可拖动弹窗宽度指令

2021-08-20 17:45:25 +08:00
parent cb5ee9c8a1
commit e6e10308ff
2 changed files with 33 additions and 1 deletions
--- a/ruoyi-ui/src/directive/dialog/dragWidth.js
+++ b/ruoyi-ui/src/directive/dialog/dragWidth.js
@@ -0,0 +1,31 @@
+/**
+* v-dialogDragWidth 可拖动弹窗宽度
+* Copyright (c) 2019 ruoyi
+*/
+
+export default {
+    bind(el) {
+        const dragDom = el.querySelector('.el-dialog');
+        const lineEl = document.createElement('div');
+        lineEl.style = 'width: 5px; background: inherit; height: 80%; position: absolute; right: 0; top: 0; bottom: 0; margin: auto; z-index: 1; cursor: w-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;
+                // 当前宽度
+                const curWidth = dragDom.offsetWidth;
+                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 l = e.clientX - disX;
+                    dragDom.style.width = `${curWidth + l}px`;
+                };
+                document.onmouseup = function (e) {
+                    document.onmousemove = null;
+                    document.onmouseup = null;
+                };
+            },
+        );
+        dragDom.appendChild(lineEl);
+    }
+}