mirror of https://github.com/ElemeFE/element
				
				
				
			
		
			
				
	
	
		
			148 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Markdown
		
	
	
			
		
		
	
	
			148 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Markdown
		
	
	
<style>
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  .demo-badge.demo-box .el-dropdown {
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    vertical-align: middle;
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  }
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</style>
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## Badge 标记
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出现在按钮、图标旁的数字或状态标记。
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### 基础用法
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展示新消息数量。
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:::demo 定义`value`属性,它接受`Number`或者`String`。
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```html
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<el-badge :value="12" class="item">
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  <el-button size="small">评论</el-button>
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</el-badge>
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<el-badge :value="3" class="item">
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  <el-button size="small">回复</el-button>
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</el-badge>
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<el-badge :value="1" class="item" type="primary">
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  <el-button size="small">评论</el-button>
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</el-badge>
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<el-badge :value="2" class="item" type="warning">
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  <el-button size="small">回复</el-button>
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</el-badge>
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<el-dropdown trigger="click">
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  <span class="el-dropdown-link">
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    点我查看<i class="el-icon-caret-bottom el-icon--right"></i>
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  </span>
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  <el-dropdown-menu slot="dropdown">
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    <el-dropdown-item class="clearfix">
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      评论
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      <el-badge class="mark" :value="12" />
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    </el-dropdown-item>
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    <el-dropdown-item class="clearfix">
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      回复
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      <el-badge class="mark" :value="3" />
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    </el-dropdown-item>
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  </el-dropdown-menu>
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</el-dropdown>
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<style>
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.item {
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  margin-top: 10px;
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  margin-right: 40px;
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}
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</style>
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```
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:::
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### 最大值
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可自定义最大值。
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:::demo 由`max`属性定义,它接受一个`Number`,需要注意的是,只有当`value`为`Number`时,它才会生效。
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```html
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<el-badge :value="200" :max="99" class="item">
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  <el-button size="small">评论</el-button>
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</el-badge>
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<el-badge :value="100" :max="10" class="item">
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  <el-button size="small">回复</el-button>
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</el-badge>
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<style>
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.item {
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  margin-top: 10px;
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  margin-right: 40px;
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}
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</style>
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```
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:::
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### 自定义内容
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可以显示数字以外的文本内容。
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:::demo 定义`value`为`String`类型是时可以用于显示自定义文本。
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```html
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<el-badge value="new" class="item">
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  <el-button size="small">评论</el-button>
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</el-badge>
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<el-badge value="hot" class="item">
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  <el-button size="small">回复</el-button>
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</el-badge>
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<style>
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.item {
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  margin-top: 10px;
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  margin-right: 40px;
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}
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</style>
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```
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:::
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### 小红点
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以红点的形式标注需要关注的内容。
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:::demo 除了数字外,设置`is-dot`属性,它接受一个`Boolean`。
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```html
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<el-badge is-dot class="item">数据查询</el-badge>
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<el-badge is-dot class="item">
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  <el-button class="share-button" icon="el-icon-share" type="primary"></el-button>
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</el-badge>
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<style>
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.item {
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  margin-top: 10px;
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  margin-right: 40px;
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}
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</style>
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```
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:::
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<style scoped>
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  .share-button {
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    width: 36px;
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    padding: 10px;
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  }
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  .mark {
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    margin-top: 8px;
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    line-height: 1;
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    float: right;
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  }
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  .clearfix {
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    @utils-clearfix;
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  }
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  .item {
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    margin-right: 40px;
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  }
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</style>
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### Attributes
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| 参数          | 说明            | 类型            | 可选值                 | 默认值   |
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|------------- |---------------- |---------------- |---------------------- |-------- |
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| value        | 显示值           | string, number  |          —            |    —    |
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| max          | 最大值,超过最大值会显示 '{max}+',要求 value 是 Number 类型    | number  |         —              |     —    |
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| is-dot       | 小圆点           | boolean         |         —             |  false  |
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| hidden       | 隐藏 badge       | boolean         |         —             |  false  |
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| type         | 类型             | string          | primary / success / warning / danger / info |    —    |
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