mirror of
https://github.com/ialley-workshop-open/uni-halo.git
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310 lines
4.8 KiB
Markdown
310 lines
4.8 KiB
Markdown
# Navigation
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## 导航和路由
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在 UniApp 中使用 uView UI 组件进行页面导航和路由管理。
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### 使用 UniApp 导航 API
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#### 页面跳转
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```javascript
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// 保留当前页面,跳转到应用内的某个页面
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uni.navigateTo({
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url: '/pages/detail/detail?id=1'
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})
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// 关闭当前页面,跳转到应用内的某个页面
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uni.redirectTo({
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url: '/pages/login/login'
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})
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// 跳转到 tabBar 页面
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uni.switchTab({
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url: '/pages/index/index'
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})
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// 返回上一页面
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uni.navigateBack({
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delta: 1
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})
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```
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#### 使用 uView 按钮进行跳转
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```vue
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<template>
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<view>
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<u-button
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type="primary"
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@click="goToDetail"
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>
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跳转到详情页
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</u-button>
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</view>
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</template>
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<script>
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export default {
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methods: {
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goToDetail() {
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uni.navigateTo({
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url: '/pages/detail/detail?id=1'
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})
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}
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}
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}
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</script>
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```
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### 使用 uView 导航栏
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#### 自定义导航栏
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```json
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{
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"pages": [
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{
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"path": "pages/index/index",
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"style": {
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"navigationStyle": "custom"
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}
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}
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]
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}
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```
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页面中使用 uView 导航栏:
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```vue
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<template>
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<view>
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<u-navbar
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title="首页"
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:border="true"
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:back-icon-color="'#ffffff'"
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:background="{
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background: 'linear-gradient(45deg, #409EFF, #67C23A)'
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}"
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>
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<view slot="right" @click="handleRight">
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<u-icon name="more-dot-fill" color="#ffffff"></u-icon>
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</view>
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</u-navbar>
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<!-- 页面内容 -->
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</view>
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</template>
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<script>
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export default {
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methods: {
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handleRight() {
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// 右侧按钮点击事件
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}
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}
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}
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</script>
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```
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### 使用 uView 返回顶部
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```vue
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<template>
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<view class="container">
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<!-- 长列表内容 -->
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<u-back-top :scroll-top="scrollTop"></u-back-top>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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scrollTop: 0
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}
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},
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onPageScroll(e) {
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this.scrollTop = e.scrollTop
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}
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}
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</script>
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```
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### TabBar 导航
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#### 使用原生 TabBar
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```json
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{
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"tabBar": {
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"color": "#7A7E83",
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"selectedColor": "#409EFF",
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"borderStyle": "black",
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"backgroundColor": "#ffffff",
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"list": [
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{
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"pagePath": "pages/index/index",
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"text": "首页"
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},
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{
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"pagePath": "pages/user/user",
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"text": "我的"
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}
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]
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}
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}
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```
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#### 使用 uView TabBar 组件
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```vue
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<template>
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<view>
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<u-tabbar
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:list="tabbarList"
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:mid-button="true"
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@change="tabbarChange"
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></u-tabbar>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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tabbarList: [
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{
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iconPath: "static/tab-home.png",
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selectedIconPath: "static/tab-home-current.png",
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text: "首页",
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pagePath: "/pages/index/index"
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},
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{
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iconPath: "static/tab-user.png",
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selectedIconPath: "static/tab-user-current.png",
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text: "我的",
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pagePath: "/pages/user/user"
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}
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]
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}
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},
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methods: {
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tabbarChange(index) {
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const pagePath = this.tabbarList[index].pagePath
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uni.switchTab({
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url: pagePath
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})
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}
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}
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}
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</script>
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```
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### 页面传参
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#### 传递参数
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```javascript
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// 跳转并传递参数
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uni.navigateTo({
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url: '/pages/detail/detail?id=1&name=test'
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})
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```
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#### 接收参数
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```vue
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<template>
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<view>
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<text>ID: {{ id }}</text>
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<text>Name: {{ name }}</text>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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id: '',
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name: ''
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}
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},
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onLoad(options) {
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this.id = options.id
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this.name = options.name
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}
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}
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</script>
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```
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### 使用 uView 搜索框导航
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```vue
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<template>
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<view>
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<u-search
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placeholder="搜索内容"
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v-model="keyword"
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@search="handleSearch"
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@custom="handleCustom"
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></u-search>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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keyword: ''
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}
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},
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methods: {
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handleSearch() {
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uni.navigateTo({
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url: `/pages/search/search?keyword=${this.keyword}`
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})
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},
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handleCustom() {
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// 自定义操作
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}
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}
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}
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</script>
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```
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### 导航栏返回按钮自定义
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```vue
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<template>
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<view>
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<u-navbar
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title="详情页"
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:back-icon-name="'arrow-left'"
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@leftClick="handleBack"
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></u-navbar>
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</view>
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</template>
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<script>
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export default {
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methods: {
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handleBack() {
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// 自定义返回逻辑
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uni.navigateBack({
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delta: 1
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})
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}
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}
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}
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</script>
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```
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## 注意事项
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1. **路径格式**:路径必须以 `/` 开头
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2. **TabBar 跳转**:使用 `uni.switchTab` 跳转到 tabBar 页面
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3. **参数传递**:URL 参数需要编码
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4. **页面栈**:注意页面栈限制(最多 10 层)
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5. **返回按钮**:自定义导航栏需要自己处理返回逻辑
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