From ae96c341f09f84809fc1e74a551f1e3785de8545 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B0=B1=E7=9C=A0=E5=84=80=E5=BC=8F?= <854085467@qq.com>
Date: Fri, 18 Mar 2022 12:56:00 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=20carousel-item=20?=
 =?UTF-8?q?=E6=97=A0=E6=B3=95=E5=B5=8C=E5=A5=97=20v-for=20=E6=B8=B2?=
 =?UTF-8?q?=E6=9F=93?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 example/docs/zh-CN/components/carousel.md |  39 ++
 example/docs/zh-CN/guide/changelog.md     |   1 +
 src/component/carousel/index.less         | 548 +++++++++++-----------
 src/component/carousel/index.ts           |   2 +-
 src/component/carousel/index.vue          |  57 ++-
 src/component/carouselItem/index.vue      |   5 +-
 src/component/tab/index.vue               |   2 +-
 7 files changed, 364 insertions(+), 290 deletions(-)

diff --git a/example/docs/zh-CN/components/carousel.md b/example/docs/zh-CN/components/carousel.md
index 59f7bdd1..d51a2d06 100644
--- a/example/docs/zh-CN/components/carousel.md
+++ b/example/docs/zh-CN/components/carousel.md
@@ -118,6 +118,45 @@ export default {
 
 :::
 
+::: title 动态遍历
+:::
+
+::: demo
+
+<template>
+  <lay-carousel v-model="active">
+    <lay-carousel-item :id="item.id" v-for="item in arrays">
+      <div style="color: white;text-align: center;width:100%;height:300px;line-height:300px;background-color:#79C48C;">{{ item.text }}</div>
+    </lay-carousel-item>
+  </lay-carousel>
+</template>
+
+<script>
+import { ref } from 'vue'
+
+export default {
+  setup() {
+
+    const active = ref("1")
+
+    const arrays = ref([
+      {id: "1", text: ""},
+      {id: "2", text: ""},
+      {id: "3", text: ""},
+      {id: "4", text: ""}
+    ])
+
+    return {
+      active,
+      arrays
+    }
+  }
+}
+</script>
+
+:::
+
+
 ::: title Carousel 属性
 :::
 
diff --git a/example/docs/zh-CN/guide/changelog.md b/example/docs/zh-CN/guide/changelog.md
index 13823231..42ff150c 100644
--- a/example/docs/zh-CN/guide/changelog.md
+++ b/example/docs/zh-CN/guide/changelog.md
@@ -23,6 +23,7 @@
           <li>[新增] page 分页组件 v-model 属性, 支持默认页设置。</li>
           <li>[新增] date-picker 日期选择组件, 支持年月, 日期, 时间。</li>
           <li>[新增] transfer 穿梭框组件 showSearch 开启搜索属性。</li>
+          <li>[修复] carousel-item 轮播项使用 v-for 无法渲染。</li>
           <li>[修复] checkbox 复选框组件, 选中颜色丢失。</li>
           <li>[修复] slider 滑块组件, 默认 step 值异常。</li>
           <li>[升级] layer-vue 1.3.10 版本。</li>
diff --git a/src/component/carousel/index.less b/src/component/carousel/index.less
index 06e2a975..ab6a753a 100644
--- a/src/component/carousel/index.less
+++ b/src/component/carousel/index.less
@@ -1,278 +1,276 @@
 @import "../../theme/variable.less";
 
-
 .layui-carousel {
-    position: relative;
-    left: 0;
-    top: 0;
-    background-color: #f8f8f8;
-  }
-  
-  .layui-carousel > [carousel-item] {
-    position: relative;
-    width: 100%;
-    height: 100%;
-    overflow: hidden;
-  }
-  
-  .layui-carousel > [carousel-item]:before {
-    position: absolute;
-    content: "\e63d";
-    left: 50%;
-    top: 50%;
-    width: 100px;
-    line-height: 20px;
-    margin: -10px 0 0 -50px;
-    text-align: center;
-    color: @global-neutral-color-8;
-    font-family: layui-icon !important;
-    font-size: 30px;
-    font-style: normal;
-    -webkit-font-smoothing: antialiased;
-    -moz-osx-font-smoothing: grayscale;
-  }
-  
-  .layui-carousel > [carousel-item] > * {
-    display: none;
-    position: absolute;
-    left: 0;
-    top: 0;
-    width: 100%;
-    height: 100%;
-    background-color: #f8f8f8;
-    transition-duration: 0.3s;
-    -webkit-transition-duration: 0.3s;
-  }
-  
-  .layui-carousel-updown > * {
-    -webkit-transition: 0.3s ease-in-out up;
-    transition: 0.3s ease-in-out up;
-  }
-  
-  .layui-carousel-arrow {
-    display: none\9;
-    opacity: 0;
-    position: absolute;
-    left: 10px;
-    top: 50%;
-    margin-top: -18px;
-    width: 36px;
-    height: 36px;
-    line-height: 36px;
-    text-align: center;
-    font-size: 20px;
-    border: 0;
-    border-radius: 50%;
-    background-color: rgba(0, 0, 0, 0.2);
-    color: #fff;
-    -webkit-transition-duration: 0.3s;
-    transition-duration: 0.3s;
-    cursor: pointer;
-  }
-  
-  .layui-carousel-arrow[lay-type="add"] {
-    left: auto !important;
-    right: 10px;
-  }
-  
-  .layui-carousel:hover .layui-carousel-arrow[lay-type="add"],
-  .layui-carousel[lay-arrow="always"] .layui-carousel-arrow[lay-type="add"] {
-    right: 20px;
-  }
-  
-  .layui-carousel[lay-arrow="always"] .layui-carousel-arrow {
-    opacity: 1;
-    left: 20px;
-  }
-  
-  .layui-carousel[lay-arrow="none"] .layui-carousel-arrow {
-    display: none;
-  }
-  
-  .layui-carousel-arrow:hover,
-  .layui-carousel-ind ul:hover {
-    background-color: rgba(0, 0, 0, 0.35);
-  }
-  
-  .layui-carousel:hover .layui-carousel-arrow {
-    display: block\9;
-    opacity: 1;
-    left: 20px;
-  }
-  
-  .layui-carousel-ind {
-    position: relative;
-    top: -35px;
-    width: 100%;
-    line-height: 0 !important;
-    text-align: center;
-    font-size: 0;
-  }
-  
-  .layui-carousel[lay-indicator="outside"] {
-    margin-bottom: 30px;
-  }
-  
-  .layui-carousel[lay-indicator="outside"] .layui-carousel-ind {
-    top: 10px;
-  }
-  
-  .layui-carousel[lay-indicator="outside"] .layui-carousel-ind ul {
-    background-color: rgba(0, 0, 0, 0.5);
-  }
-  
-  .layui-carousel[lay-indicator="none"] .layui-carousel-ind {
-    display: none;
-  }
-  
-  .layui-carousel-ind ul {
-    display: inline-block;
-    padding: 5px;
-    background-color: rgba(0, 0, 0, 0.2);
-    border-radius: 10px;
-    -webkit-transition-duration: 0.3s;
-    transition-duration: 0.3s;
-  }
-  
-  .layui-carousel-ind li {
-    display: inline-block;
-    width: 10px;
-    height: 10px;
-    margin: 0 3px;
-    font-size: 14px;
-    background-color: @global-neutral-color-3;
-    background-color: rgba(255, 255, 255, 0.5);
-    border-radius: 50%;
-    cursor: pointer;
-    -webkit-transition-duration: 0.3s;
-    transition-duration: 0.3s;
-  }
-  
-  .layui-carousel-ind li:hover {
-    background-color: rgba(255, 255, 255, 0.7);
-  }
-  
-  .layui-carousel-ind li.layui-this {
-    background-color: #fff;
-  }
-  
-  .layui-carousel > [carousel-item] > .layui-carousel-next,
-  .layui-carousel > [carousel-item] > .layui-carousel-prev,
-  .layui-carousel > [carousel-item] > .layui-this {
-    display: block;
-  }
-  
-  .layui-carousel > [carousel-item] > .layui-this {
-    left: 0;
-  }
-  
-  .layui-carousel > [carousel-item] > .layui-carousel-prev {
-    left: -100%;
-  }
-  
-  .layui-carousel > [carousel-item] > .layui-carousel-next {
-    left: 100%;
-  }
-  
-  .layui-carousel > [carousel-item] > .layui-carousel-next.layui-carousel-left,
-  .layui-carousel > [carousel-item] > .layui-carousel-prev.layui-carousel-right {
-    left: 0;
-  }
-  
-  .layui-carousel > [carousel-item] > .layui-this.layui-carousel-left {
-    left: -100%;
-  }
-  
-  .layui-carousel > [carousel-item] > .layui-this.layui-carousel-right {
-    left: 100%;
-  }
-  
-  .layui-carousel[lay-anim="updown"] .layui-carousel-arrow {
-    left: 50% !important;
-    top: 20px;
-    margin: 0 0 0 -18px;
-  }
-  
-  .layui-carousel[lay-anim="updown"] > [carousel-item] > *,
-  .layui-carousel[lay-anim="fade"] > [carousel-item] > * {
-    left: 0 !important;
-  }
-  
-  .layui-carousel[lay-anim="updown"] .layui-carousel-arrow[lay-type="add"] {
-    top: auto !important;
-    bottom: 20px;
-  }
-  
-  .layui-carousel[lay-anim="updown"] .layui-carousel-ind {
-    position: absolute;
-    top: 50%;
-    right: 20px;
-    width: auto;
-    height: auto;
-  }
-  
-  .layui-carousel[lay-anim="updown"] .layui-carousel-ind ul {
-    padding: 3px 5px;
-  }
-  
-  .layui-carousel[lay-anim="updown"] .layui-carousel-ind li {
-    display: block;
-    margin: 6px 0;
-  }
-  
-  .layui-carousel[lay-anim="updown"] > [carousel-item] > .layui-this {
-    top: 0;
-  }
-  
-  .layui-carousel[lay-anim="updown"] > [carousel-item] > .layui-carousel-prev {
-    top: -100%;
-  }
-  
-  .layui-carousel[lay-anim="updown"] > [carousel-item] > .layui-carousel-next {
-    top: 100%;
-  }
-  
-  .layui-carousel[lay-anim="updown"]
-    > [carousel-item]
-    > .layui-carousel-next.layui-carousel-left,
-  .layui-carousel[lay-anim="updown"]
-    > [carousel-item]
-    > .layui-carousel-prev.layui-carousel-right {
-    top: 0;
-  }
-  
-  .layui-carousel[lay-anim="updown"]
-    > [carousel-item]
-    > .layui-this.layui-carousel-left {
-    top: -100%;
-  }
-  
-  .layui-carousel[lay-anim="updown"]
-    > [carousel-item]
-    > .layui-this.layui-carousel-right {
-    top: 100%;
-  }
-  
-  .layui-carousel[lay-anim="fade"] > [carousel-item] > .layui-carousel-next,
-  .layui-carousel[lay-anim="fade"] > [carousel-item] > .layui-carousel-prev {
-    opacity: 0;
-  }
-  
-  .layui-carousel[lay-anim="fade"]
-    > [carousel-item]
-    > .layui-carousel-next.layui-carousel-left,
-  .layui-carousel[lay-anim="fade"]
-    > [carousel-item]
-    > .layui-carousel-prev.layui-carousel-right {
-    opacity: 1;
-  }
-  
-  .layui-carousel[lay-anim="fade"]
-    > [carousel-item]
-    > .layui-this.layui-carousel-left,
-  .layui-carousel[lay-anim="fade"]
-    > [carousel-item]
-    > .layui-this.layui-carousel-right {
-    opacity: 0;
-  }
-  
\ No newline at end of file
+  position: relative;
+  left: 0;
+  top: 0;
+  background-color: #f8f8f8;
+}
+
+.layui-carousel > [carousel-item] {
+  position: relative;
+  width: 100%;
+  height: 100%;
+  overflow: hidden;
+}
+
+.layui-carousel > [carousel-item]:before {
+  position: absolute;
+  content: "\e63d";
+  left: 50%;
+  top: 50%;
+  width: 100px;
+  line-height: 20px;
+  margin: -10px 0 0 -50px;
+  text-align: center;
+  color: @global-neutral-color-8;
+  font-family: layui-icon !important;
+  font-size: 30px;
+  font-style: normal;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+.layui-carousel > [carousel-item] > * {
+  display: none;
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 100%;
+  height: 100%;
+  background-color: #f8f8f8;
+  transition-duration: 0.3s;
+  -webkit-transition-duration: 0.3s;
+}
+
+.layui-carousel-updown > * {
+  -webkit-transition: 0.3s ease-in-out up;
+  transition: 0.3s ease-in-out up;
+}
+
+.layui-carousel-arrow {
+  display: none\9;
+  opacity: 0;
+  position: absolute;
+  left: 10px;
+  top: 50%;
+  margin-top: -18px;
+  width: 36px;
+  height: 36px;
+  line-height: 36px;
+  text-align: center;
+  font-size: 20px;
+  border: 0;
+  border-radius: 50%;
+  background-color: rgba(0, 0, 0, 0.2);
+  color: #fff;
+  -webkit-transition-duration: 0.3s;
+  transition-duration: 0.3s;
+  cursor: pointer;
+}
+
+.layui-carousel-arrow[lay-type="add"] {
+  left: auto !important;
+  right: 10px;
+}
+
+.layui-carousel:hover .layui-carousel-arrow[lay-type="add"],
+.layui-carousel[lay-arrow="always"] .layui-carousel-arrow[lay-type="add"] {
+  right: 20px;
+}
+
+.layui-carousel[lay-arrow="always"] .layui-carousel-arrow {
+  opacity: 1;
+  left: 20px;
+}
+
+.layui-carousel[lay-arrow="none"] .layui-carousel-arrow {
+  display: none;
+}
+
+.layui-carousel-arrow:hover,
+.layui-carousel-ind ul:hover {
+  background-color: rgba(0, 0, 0, 0.35);
+}
+
+.layui-carousel:hover .layui-carousel-arrow {
+  display: block\9;
+  opacity: 1;
+  left: 20px;
+}
+
+.layui-carousel-ind {
+  position: relative;
+  top: -35px;
+  width: 100%;
+  line-height: 0 !important;
+  text-align: center;
+  font-size: 0;
+}
+
+.layui-carousel[lay-indicator="outside"] {
+  margin-bottom: 30px;
+}
+
+.layui-carousel[lay-indicator="outside"] .layui-carousel-ind {
+  top: 10px;
+}
+
+.layui-carousel[lay-indicator="outside"] .layui-carousel-ind ul {
+  background-color: rgba(0, 0, 0, 0.5);
+}
+
+.layui-carousel[lay-indicator="none"] .layui-carousel-ind {
+  display: none;
+}
+
+.layui-carousel-ind ul {
+  display: inline-block;
+  padding: 5px;
+  background-color: rgba(0, 0, 0, 0.2);
+  border-radius: 10px;
+  -webkit-transition-duration: 0.3s;
+  transition-duration: 0.3s;
+}
+
+.layui-carousel-ind li {
+  display: inline-block;
+  width: 10px;
+  height: 10px;
+  margin: 0 3px;
+  font-size: 14px;
+  background-color: @global-neutral-color-3;
+  background-color: rgba(255, 255, 255, 0.5);
+  border-radius: 50%;
+  cursor: pointer;
+  -webkit-transition-duration: 0.3s;
+  transition-duration: 0.3s;
+}
+
+.layui-carousel-ind li:hover {
+  background-color: rgba(255, 255, 255, 0.7);
+}
+
+.layui-carousel-ind li.layui-this {
+  background-color: #fff;
+}
+
+.layui-carousel > [carousel-item] > .layui-carousel-next,
+.layui-carousel > [carousel-item] > .layui-carousel-prev,
+.layui-carousel > [carousel-item] > .layui-this {
+  display: block;
+}
+
+.layui-carousel > [carousel-item] > .layui-this {
+  left: 0;
+}
+
+.layui-carousel > [carousel-item] > .layui-carousel-prev {
+  left: -100%;
+}
+
+.layui-carousel > [carousel-item] > .layui-carousel-next {
+  left: 100%;
+}
+
+.layui-carousel > [carousel-item] > .layui-carousel-next.layui-carousel-left,
+.layui-carousel > [carousel-item] > .layui-carousel-prev.layui-carousel-right {
+  left: 0;
+}
+
+.layui-carousel > [carousel-item] > .layui-this.layui-carousel-left {
+  left: -100%;
+}
+
+.layui-carousel > [carousel-item] > .layui-this.layui-carousel-right {
+  left: 100%;
+}
+
+.layui-carousel[lay-anim="updown"] .layui-carousel-arrow {
+  left: 50% !important;
+  top: 20px;
+  margin: 0 0 0 -18px;
+}
+
+.layui-carousel[lay-anim="updown"] > [carousel-item] > *,
+.layui-carousel[lay-anim="fade"] > [carousel-item] > * {
+  left: 0 !important;
+}
+
+.layui-carousel[lay-anim="updown"] .layui-carousel-arrow[lay-type="add"] {
+  top: auto !important;
+  bottom: 20px;
+}
+
+.layui-carousel[lay-anim="updown"] .layui-carousel-ind {
+  position: absolute;
+  top: 50%;
+  right: 20px;
+  width: auto;
+  height: auto;
+}
+
+.layui-carousel[lay-anim="updown"] .layui-carousel-ind ul {
+  padding: 3px 5px;
+}
+
+.layui-carousel[lay-anim="updown"] .layui-carousel-ind li {
+  display: block;
+  margin: 6px 0;
+}
+
+.layui-carousel[lay-anim="updown"] > [carousel-item] > .layui-this {
+  top: 0;
+}
+
+.layui-carousel[lay-anim="updown"] > [carousel-item] > .layui-carousel-prev {
+  top: -100%;
+}
+
+.layui-carousel[lay-anim="updown"] > [carousel-item] > .layui-carousel-next {
+  top: 100%;
+}
+
+.layui-carousel[lay-anim="updown"]
+  > [carousel-item]
+  > .layui-carousel-next.layui-carousel-left,
+.layui-carousel[lay-anim="updown"]
+  > [carousel-item]
+  > .layui-carousel-prev.layui-carousel-right {
+  top: 0;
+}
+
+.layui-carousel[lay-anim="updown"]
+  > [carousel-item]
+  > .layui-this.layui-carousel-left {
+  top: -100%;
+}
+
+.layui-carousel[lay-anim="updown"]
+  > [carousel-item]
+  > .layui-this.layui-carousel-right {
+  top: 100%;
+}
+
+.layui-carousel[lay-anim="fade"] > [carousel-item] > .layui-carousel-next,
+.layui-carousel[lay-anim="fade"] > [carousel-item] > .layui-carousel-prev {
+  opacity: 0;
+}
+
+.layui-carousel[lay-anim="fade"]
+  > [carousel-item]
+  > .layui-carousel-next.layui-carousel-left,
+.layui-carousel[lay-anim="fade"]
+  > [carousel-item]
+  > .layui-carousel-prev.layui-carousel-right {
+  opacity: 1;
+}
+
+.layui-carousel[lay-anim="fade"]
+  > [carousel-item]
+  > .layui-this.layui-carousel-left,
+.layui-carousel[lay-anim="fade"]
+  > [carousel-item]
+  > .layui-this.layui-carousel-right {
+  opacity: 0;
+}
diff --git a/src/component/carousel/index.ts b/src/component/carousel/index.ts
index 5511c18f..389b5c17 100644
--- a/src/component/carousel/index.ts
+++ b/src/component/carousel/index.ts
@@ -5,4 +5,4 @@ Component.install = (app: App) => {
   app.component(Component.name, Component);
 };
 
-export default Component;
+export default Component;
\ No newline at end of file
diff --git a/src/component/carousel/index.vue b/src/component/carousel/index.vue
index a75352e3..ee80d0f5 100644
--- a/src/component/carousel/index.vue
+++ b/src/component/carousel/index.vue
@@ -6,7 +6,8 @@ export default {
 
 <script setup lang="ts">
 import "./index.less";
-import { withDefaults, provide, useSlots, ref, computed } from "vue";
+import { withDefaults, provide, useSlots, ref, computed, VNode, Ref, Component, watch, onMounted } from "vue";
+import CarouselItem from "../carouselItem"
 
 const slot = useSlots() as any;
 const slots = slot.default && (slot.default() as any[]);
@@ -17,14 +18,18 @@ const props = withDefaults(
     height?: string;
     modelValue: string;
     anim?: string;
+    autoplay?: boolean;
     arrow?: string;
+    interval?: number;
     indicator?: string;
   }>(),
   {
     width: "100%",
     height: "280px",
     anim: "default",
+    autoplay: true,
     arrow: "hover",
+    interval: 3000,
     indicator: "inside",
   }
 );
@@ -45,27 +50,55 @@ const change = function (id: any) {
   active.value = id;
 };
 
-provide("active", active);
+const childrens: Ref<VNode[]> = ref([]);
+const slotsChange = ref(true);
 
+const setItemInstanceBySlot = function (nodeList: VNode[]) {
+  nodeList?.map((item) => {
+    let component = item.type as Component;
+    if (component.name != CarouselItem.name) {
+      setItemInstanceBySlot(item.children as VNode[]);
+    } else {
+      childrens.value.push(item);
+    }
+  });
+};
+
+watch(slotsChange, function () {
+  childrens.value = [];
+  setItemInstanceBySlot((slot.default && slot.default()) as VNode[]);
+});
+
+provide("active", active);
+provide("slotsChange", slotsChange);
+
+// 上一页
 const prev = function () {
-  for (var i = 0; i < slots.length; i++) {
-    if (slots[i].props.id === active.value) {
+  for (var i = 0; i < childrens.value.length; i++) {
+    // @ts-ignore
+    if (childrens.value[i].props.id === active.value) {
       if (i === 0) {
-        active.value = slots[slots.length - 1].props.id;
+        // @ts-ignore
+        active.value = childrens.value[slots.length - 1].props.id;
       }
-      active.value = slots[i - 1].props.id;
+      // @ts-ignore
+      active.value = childrens.value[i - 1].props.id;
       break;
     }
   }
 };
 
+// 下一页
 const next = function () {
-  for (var i = 0; i < slots.length; i++) {
-    if (slots[i].props.id === active.value) {
-      if (i === slots.length - 1) {
-        active.value = slots[0].props.id;
+  for (var i = 0; i < childrens.value.length; i++) {
+    // @ts-ignore
+    if (childrens.value[i].props.id === active.value) {
+      if (i === childrens.value.length - 1) {
+        // @ts-ignore
+        active.value = childrens.value[0].props.id;
       }
-      active.value = slots[i + 1].props.id;
+      // @ts-ignore
+      active.value = childrens.value[i + 1].props.id;
       break;
     }
   }
@@ -86,7 +119,7 @@ const next = function () {
     <div class="layui-carousel-ind">
       <ul>
         <li
-          v-for="ss in slots"
+          v-for="ss in childrens"
           :key="ss"
           :class="[ss.props.id === active ? 'layui-this' : '']"
           @click.stop="change(ss.props.id)"
diff --git a/src/component/carouselItem/index.vue b/src/component/carouselItem/index.vue
index 15353281..60e9a2cd 100644
--- a/src/component/carouselItem/index.vue
+++ b/src/component/carouselItem/index.vue
@@ -5,13 +5,16 @@ export default {
 </script>
 
 <script setup lang="ts">
-import { inject } from "vue";
+import { inject, Ref } from "vue";
 
 const props = defineProps<{
   id: string;
 }>();
 
 const active = inject("active");
+const slotsChange: Ref<boolean> = inject("slotsChange") as Ref<boolean>;
+slotsChange.value = !slotsChange.value;
+
 </script>
 
 <template>
diff --git a/src/component/tab/index.vue b/src/component/tab/index.vue
index 590ee0b4..de96e15a 100644
--- a/src/component/tab/index.vue
+++ b/src/component/tab/index.vue
@@ -29,6 +29,7 @@ export interface LayTabProps {
 const slot = useSlots();
 const slots = slot.default && slot.default();
 const childrens: Ref<VNode[]> = ref([]);
+const slotsChange = ref(true);
 
 const setItemInstanceBySlot = function (nodeList: VNode[]) {
   nodeList?.map((item) => {
@@ -53,7 +54,6 @@ const active = computed({
     emit("update:modelValue", val);
   },
 });
-const slotsChange = ref(true);
 
 const change = function (id: any) {
   // 回调切换标签之前的回调钩子函数，只要不是return false, 则进行切换该tab