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86 lines
3.4 KiB
86 lines
3.4 KiB
3 years ago
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## SearchBar 搜索栏
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> **组件名：uni-search-bar**
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> 代码块： `uSearchBar`
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评分组件
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### 安装方式
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本组件符合[easycom](https://uniapp.dcloud.io/collocation/pages?id=easycom)规范，`HBuilderX 2.5.5`起，只需将本组件导入项目，在页面`template`中即可直接使用，无需在页面中`import`和注册`components`。
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如需通过`npm`方式使用`uni-ui`组件，另见文档：[https://ext.dcloud.net.cn/plugin?id=55](https://ext.dcloud.net.cn/plugin?id=55)
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### 基本用法
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在 ``template`` 中使用组件
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```html
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<!-- 基本用法 -->
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<uni-search-bar @confirm="search" @input="input" ></uni-search-bar>
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<!-- v-model 用法 -->
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<uni-search-bar @confirm="search" :focus="true" v-model="searchValue" @blur="blur" @focus="focus" @input="input" @cancel="cancel" @change="change" @clear="clear">
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<!-- 自定义Placeholder -->
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<uni-search-bar placeholder="自定placeholder" @confirm="search"></uni-search-bar>
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<!-- 设置圆角 -->
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<uni-search-bar :radius="100" @confirm="search"></uni-search-bar>
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```
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## API
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### SearchBar Props
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|属性名 |类型 |默认值 |说明 |
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|:-: |:-: |:-: |:-: |
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|value/v-model |StringNumber | |搜索栏绑定值 |
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|placeholder |String |搜索 |搜索栏Placeholder |
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|radius |Number |10 |搜索栏圆角，单位px |
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|clearButton |String |auto |是否显示清除按钮，可选值`always`-一直显示、`auto`-输入框不为空时显示、`none`-一直不显示 |
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|cancelButton |String |auto |是否显示取消按钮，可选值`always`-一直显示、`auto`-输入框不为空时显示、`none`-一直不显示 |
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|cancelText |String |取消 |取消按钮的文字 |
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|bgColor |String |#F8F8F8|输入框背景颜色 |
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|maxlength |Number |100 |输入最大长度 |
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|focus |Boolean |false | |
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### SearchBar Events
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|事件称名 |说明 |返回参数 |
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|:-: |:-: |:-: |
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|@confirm |uniSearchBar 的输入框 confirm 事件，返回参数为uniSearchBar的value |e={value:Number} |
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|@input |uniSearchBar 的 value 改变时触发事件，返回参数为uniSearchBar的value|e=value |
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|@cancel |点击取消按钮时触发事件，返回参数为uniSearchBar的value |e={value:Number} |
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|@clear |点击清除按钮时触发事件，返回参数为uniSearchBar的value |e={value:Number} |
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|@focus |input 获取焦点时触发事件，返回参数为uniSearchBar的value |e={value:Number} |
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|@blur |input 失去焦点时触发事件，返回参数为uniSearchBar的value |e={value:Number} |
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### 替换 icon 的 slot 插槽
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|插槽称名 |说明 |
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|:-: |:-: |
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|searchIcon |替换组件的搜索图标|
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|clearIcon |替换组件的清除图标|
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```html
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<!-- 替换组件的搜索图标 -->
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<uni-search-bar placeholder="自定义searchIcon" @confirm="search" @cancel="cancel" cancel-text="cancel">
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<uni-icons slot="searchIcon" color="#999999" size="18" type="home" />
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</uni-search-bar>
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<!-- 替换组件的清除图标 -->
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<uni-search-bar placeholder="自定义clearIcon" @confirm="search" @cancel="cancel" cancel-text="cancel">
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<view slot="clearIcon" style="color: #999999" >X</view>
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</uni-search-bar>
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```
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## 组件示例
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点击查看：[https://hellouniapp.dcloud.net.cn/pages/extUI/search-bar/search-bar](https://hellouniapp.dcloud.net.cn/pages/extUI/search-bar/search-bar)
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