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xuan-pay-cweb/components/uni-search-bar/readme.md

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## SearchBar 搜索栏
> **组件名:uni-search-bar**
> 代码块: `uSearchBar`
评分组件
### 安装方式
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`。
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)
### 基本用法
在 ``template`` 中使用组件
```html
<!-- 基本用法 -->
<uni-search-bar @confirm="search" @input="input" ></uni-search-bar>
<!-- v-model 用法 -->
<uni-search-bar @confirm="search" :focus="true" v-model="searchValue" @blur="blur" @focus="focus" @input="input" @cancel="cancel" @change="change" @clear="clear">
<!-- 自定义Placeholder -->
<uni-search-bar placeholder="自定placeholder" @confirm="search"></uni-search-bar>
<!-- 设置圆角 -->
<uni-search-bar :radius="100" @confirm="search"></uni-search-bar>
```
## API
### SearchBar Props
|属性名 |类型 |默认值 |说明 |
|:-: |:-: |:-: |:-: |
|value/v-model |StringNumber | |搜索栏绑定值 |
|placeholder |String |搜索 |搜索栏Placeholder |
|radius |Number |10 |搜索栏圆角,单位px |
|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 |
|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 |
|cancelText |String |取消 |取消按钮的文字 |
|bgColor |String |#F8F8F8|输入框背景颜色 |
|maxlength |Number |100 |输入最大长度 |
|focus |Boolean |false | |
### SearchBar Events
|事件称名 |说明 |返回参数 |
|:-: |:-: |:-: |
|@confirm |uniSearchBar 的输入框 confirm 事件,返回参数为uniSearchBar的value |e={value:Number} |
|@input |uniSearchBar 的 value 改变时触发事件,返回参数为uniSearchBar的value|e=value |
|@cancel |点击取消按钮时触发事件,返回参数为uniSearchBar的value |e={value:Number} |
|@clear |点击清除按钮时触发事件,返回参数为uniSearchBar的value |e={value:Number} |
|@focus |input 获取焦点时触发事件,返回参数为uniSearchBar的value |e={value:Number} |
|@blur |input 失去焦点时触发事件,返回参数为uniSearchBar的value |e={value:Number} |
### 替换 icon 的 slot 插槽
|插槽称名 |说明 |
|:-: |:-: |
|searchIcon |替换组件的搜索图标|
|clearIcon |替换组件的清除图标|
```html
<!-- 替换组件的搜索图标 -->
<uni-search-bar placeholder="自定义searchIcon" @confirm="search" @cancel="cancel" cancel-text="cancel">
<uni-icons slot="searchIcon" color="#999999" size="18" type="home" />
</uni-search-bar>
<!-- 替换组件的清除图标 -->
<uni-search-bar placeholder="自定义clearIcon" @confirm="search" @cancel="cancel" cancel-text="cancel">
<view slot="clearIcon" style="color: #999999" >X</view>
</uni-search-bar>
```
## 组件示例
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)