fix: improve the selector component

src/components/selector/index.vue

@@ -12,7 +12,7 @@
           :key="key"
         >
           <div :class="[classes[key] + key]" class="hs-item">
-            <span>{{key}}</span>
+            <span>{{item}}</span>
           </div>
         </td>
       </tr>
@@ -22,7 +22,7 @@
 
 <script lang='ts'>
 import { defineComponent, computed, nextTick } from "vue";
-import { addClass, removeClass } from "../../utils/operate/index";
+import { addClass, removeClass, toggleClass } from "/@/utils/operate";
 import { useDebounceFn } from "@vueuse/core";
 
 // 选中非选中状态
@@ -30,6 +30,9 @@ let stayClass = "stay"; //鼠标点击
 let activeClass = "hs-on"; //鼠标移动上去
 let voidClass = "hs-off"; //鼠标移开
 let inRange = "hs-range"; //当前选中的两个元素之间的背景
+let bothLeftSides = "both-left-sides";
+let bothRightSides = "both-right-sides";
+let selectedDirection = "right"; //默认从左往右，索引变大
 
 // 存放第一个选中的元素和最后一个选中元素，只能存放这两个元素
 let selectedList = [];
@@ -51,6 +54,7 @@ export default defineComponent({
       default: 10
     }
   },
+  emits: ["selectedVal"],
   setup(props, { emit }) {
     let currentValue = props.value;
 
@@ -77,12 +81,19 @@ export default defineComponent({
     const setCurrentValue = (index, event) => {
       // 当选中一个元素后，开始添加背景色
       if (selectedList.length === 1) {
-        overList.push({ index });
+        if (overList.length < 1) overList.push({ index });
 
         let firstIndex = overList[0].index;
 
-        // 往左走，索引变大
+        // 往右走，索引变大
         if (index > firstIndex) {
+          selectedDirection = "right";
+          toggleClass(
+            false,
+            bothRightSides,
+            document.querySelector(".hs-select__item" + selectedList[0].index)
+          );
+
           while (index >= firstIndex) {
             addClass(
               document.querySelector(".hs-select__item" + firstIndex),
@@ -91,6 +102,13 @@ export default defineComponent({
             firstIndex++;
           }
         } else {
+          selectedDirection = "left";
+          toggleClass(
+            true,
+            bothRightSides,
+            document.querySelector(".hs-select__item" + selectedList[0].index)
+          );
+
           while (index <= firstIndex) {
             addClass(
               document.querySelector(".hs-select__item" + firstIndex),
@@ -142,7 +160,45 @@ export default defineComponent({
         selectedList.push({ item, index });
         addClass(document.querySelector("." + voidClass + index), stayClass);
 
-        // let rangeDom = document.querySelector(".hs-select__item" + index)
+        addClass(
+          document.querySelector(".hs-select__item" + selectedList[0].index),
+          bothLeftSides
+        );
+
+        if (selectedList[1]) {
+          if (selectedDirection === "right") {
+            addClass(
+              document.querySelector(
+                ".hs-select__item" + selectedList[1].index
+              ),
+              bothRightSides
+            );
+          } else {
+            addClass(
+              document.querySelector(
+                ".hs-select__item" + selectedList[1].index
+              ),
+              bothLeftSides
+            );
+          }
+        }
+
+        if (len === 1) {
+          // 顺时针排序
+          if (selectedDirection === "right") {
+            emit("selectedVal", {
+              left: selectedList[0].item,
+              right: selectedList[1].item,
+              whole: selectedList
+            });
+          } else {
+            emit("selectedVal", {
+              left: selectedList[1].item,
+              right: selectedList[0].item,
+              whole: selectedList
+            });
+          }
+        }
       } else {
         nextTick(() => {
           selectedList.forEach(v => {
@@ -151,15 +207,30 @@ export default defineComponent({
               activeClass,
               stayClass
             );
-          });
-          selectedList = [];
 
+            removeClass(
+              document.querySelector(".hs-select__item" + v.index),
+              bothLeftSides,
+              bothRightSides
+            );
+          });
+
+          selectedList = [];
+          overList = [];
           for (let i = 0; i <= props.max; i++) {
             let currentDom = document.querySelector(".hs-select__item" + i);
             if (currentDom) {
               removeClass(currentDom, inRange);
             }
           }
+
+          selectedList.push({ item, index });
+          addClass(document.querySelector("." + voidClass + index), stayClass);
+
+          addClass(
+            document.querySelector(".hs-select__item" + selectedList[0].index),
+            bothLeftSides
+          );
         });
       }
     };
@@ -191,6 +262,12 @@ export default defineComponent({
   border-radius: 50%;
 }
 .hs-range {
-  background-color: #ccc;
+  background-color: #f2f6fc;
+}
+.both-left-sides {
+  border-radius: 50% 0 0 50%;
+}
+.both-right-sides {
+  border-radius: 0 50% 50% 0;
 }
 </style>

src/layout/components/setting/index.vue

@@ -17,7 +17,9 @@
 <script lang='ts'>
 import panel from "../panel/index.vue";
 import { onMounted, reactive, toRefs } from "vue";
-import { storageLocal } from "../../../utils/storage";
+import { storageLocal } from "/@/utils/storage";
+import { toggleClass } from "/@/utils/operate";
+
 export default {
   name: "setting",
   components: { panel },

src/utils/operate/index.ts

@@ -1,12 +1,15 @@
-export const hasClass = (ele: Element, cls:string) :any => {
+export const hasClass = (ele: Element, cls: string): any => {
   return !!ele.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)'))
 }
 
-export const addClass = (ele: Element, cls:string) :any =>  {
+export const addClass = (ele: Element, cls: string, extracls?: string): any => {
   if (!hasClass(ele, cls)) ele.className += ' ' + cls
+  if (extracls) {
+    if (!hasClass(ele, extracls)) ele.className += ' ' + extracls
+  }
 }
 
-export const removeClass =(ele: Element, cls:string, extracls?: string) :any => {
+export const removeClass = (ele: Element, cls: string, extracls?: string): any => {
   if (hasClass(ele, cls)) {
     const reg = new RegExp('(\\s|^)' + cls + '(\\s|$)')
     ele.className = ele.className.replace(reg, ' ').trim()
@@ -18,3 +21,10 @@ export const removeClass =(ele: Element, cls:string, extracls?: string) :any =>
     }
   }
 }
+
+export const toggleClass = (flag: boolean, clsName: string, target?: HTMLElement): any => {
+  const targetEl = target || document.body
+  let { className } = targetEl
+  className = className.replace(clsName, "")
+  targetEl.className = flag ? `${className} ${clsName} ` : className
+}

src/views/components/selector/index.vue

@@ -5,17 +5,28 @@
         <span>基本使用</span>
       </div>
     </template>
-    <Selector />
+    <Selector @selectedVal="selectedVal" />
+    <h4>选中范围：{{ selectRange }}</h4>
   </el-card>
 </template>
 
 <script lang='ts'>
-import Selector from "../../../components/selector/index.vue";
+import { ref } from "vue";
+import Selector from "/@/components/selector/index.vue";
 export default {
   components: { Selector },
   setup() {
-    return {};
-  },
+    let selectRange = ref(null);
+
+    const selectedVal = ({ left, right, whole }) => {
+      selectRange.value = `${left}-${right}`;
+    };
+
+    return {
+      selectedVal,
+      selectRange
+    };
+  }
 };
 </script>