86 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Markdown
		
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Markdown
		
	
	
	
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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) |