美化左侧div宽度拖拉 按钮

ruoyi-ui/src/views/bookmark/ceshi/index.vue

@@ -1,37 +1,119 @@
-<template>
-  <div>
 
-    <div style="width: 500px">
-      <tags-input
-        v-model="tagList"
-        :defaulList="defaulList"
-        :listFilter=true
-        placeholder="按enter键创建标签"
-        @tagClose="tagClose"></tags-input>
+<template>
+  <div class="box" ref="box">
+    <div class="left">
+      <!--左侧div内容-->
+    </div>
+    <div class="resize" title="收缩侧边栏">
+      ⋮
+    </div>
+    <div class="mid">
+      <!--右侧div内容-->
     </div>
   </div>
 </template>
+
 <script>
-  import TagsInput from '../../../components/TagsInput'
   export default {
-    components: {
-      TagsInput
-    },
-    data() {
-      return {
-        // 子组件返回的list
-        tagList: null,
-        // 付默认值
-        defaulList:[],
-        // 是否去重
-        listFilter:false
-      }
+    name: 'Dashboard',
+    mounted () {
+      this.dragControllerDiv();
     },
     methods: {
-      // 标签关闭方法
-      tagClose(tag){
-        console.log(tag)
-      }
+      dragControllerDiv: function () {
+        var resize = document.getElementsByClassName('resize');
+        var left = document.getElementsByClassName('left');
+        var mid = document.getElementsByClassName('mid');
+        var box = document.getElementsByClassName('box');
+        for (let i = 0; i < resize.length; i++) {
+          // 鼠标按下事件
+          resize[i].onmousedown = function (e) {
+            //颜色改变提醒
+            resize[i].style.background = 'red';
+            var startX = e.clientX;
+            console.log("鼠标按下后："+e.clientX)
+            resize[i].left = resize[i].offsetLeft;
+            console.log("鼠标按下后："+resize[i].left)
+            console.log("鼠标按下后："+resize[i].offsetLeft)
+            // 鼠标拖动事件
+            document.onmousemove = function (e) {
+              var endX = e.clientX;
+              var moveLen = resize[i].left + (endX - startX); // （endx-startx）=移动的距离。resize[i].left+移动的距离=左边区域最后的宽度
+              var maxT = box[i].clientWidth - resize[i].offsetWidth; // 容器宽度 - 左边区域的宽度 = 右边区域的宽度
+
+              if (moveLen < 32) moveLen = 32; // 左边区域的最小宽度为32px
+              if (moveLen > maxT - 150) moveLen = maxT - 150; //右边区域最小宽度为150px
+
+              resize[i].style.left = moveLen; // 设置左侧区域的宽度
+
+              for (let j = 0; j < left.length; j++) {
+                left[j].style.width = moveLen + 'px';
+                mid[j].style.width = (box[i].clientWidth - moveLen - 10) + 'px';
+              }
+            };
+            // 鼠标松开事件
+            document.onmouseup = function (evt) {
+              //颜色恢复
+              resize[i].style.background = '#d6d6d6';
+              document.onmousemove = null;
+              document.onmouseup = null;
+              resize[i].releaseCapture && resize[i].releaseCapture(); //当你不在需要继续获得鼠标消息就要应该调用ReleaseCapture()释放掉
+            };
+            resize[i].setCapture && resize[i].setCapture(); //该函数在属于当前线程的指定窗口里设置鼠标捕获
+            return false;
+          };
+        }
+      },
+
     }
   }
 </script>
+
+<style lang="scss" scoped>
+  /* 拖拽相关样式 */
+  /*包围div样式*/
+  .box {
+    width: 100%;
+    height: 100%;
+    margin: 1% 0px;
+    overflow: hidden;
+    box-shadow: -1px 9px 10px 3px rgba(0, 0, 0, 0.11);
+  }
+  /*左侧div样式*/
+  .left {
+    width: calc(32% - 10px);  /*左侧初始化宽度*/
+    height: 100%;
+    background: #FFFFFF;
+    float: left;
+  }
+  /*拖拽区div样式*/
+  .resize {
+    cursor: col-resize;
+    float: left;
+    position: relative;
+    top: 45%;
+    background-color: #d6d6d6;
+    border-radius: 5px;
+    margin-top: -10px;
+    width: 10px;
+    height: 50px;
+    background-size: cover;
+    background-position: center;
+    /*z-index: 99999;*/
+    font-size: 32px;
+    color: white;
+  }
+  /*拖拽区鼠标悬停样式*/
+  .resize:hover {
+    color: #444444;
+  }
+  /*右侧div'样式*/
+  .mid {
+    float: left;
+    width: 68%;   /*右侧初始化宽度*/
+    height: 100%;
+    background: #fff;
+    box-shadow: -1px 4px 5px 3px rgba(0, 0, 0, 0.11);
+  }
+
+</style>