# Input 输入框

通过鼠标或键盘输入字符

WARNING

Input 为受控组件,它总会显示 Vue 绑定值。

通常情况下,应当处理 input 事件,并更新组件的绑定值(或使用v-model)。否则,输入框内显示的值将不会改变。

不支持 v-model 修饰符。

# 基础用法

<template>
  <el-input v-model="input" placeholder="请输入内容"></el-input>
</template>

<script>
export default {
  data() {
    return {
      input: ''
    }
  }
}
</script>
<style scoped lang="scss">
.el-input {
    width: 180px;
  }
</style>


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# 禁用状态

通过 disabled 属性指定是否禁用 input 组件

<template>
  <el-input placeholder="请输入内容" v-model="input" :disabled="true"></el-input>
</template>

<script>
export default {
  data() {
    return {
      input: ''
    }
  }
}
</script>

<style scoped lang="scss">
.el-input {
    width: 180px;
  }
</style>

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# 可清空

使用clearable属性即可得到一个可清空的输入框

<template>
  <el-input
    placeholder="请输入内容"
    v-model="input"
    clearable>
  </el-input>
</template>

<script>
  export default {
    data() {
      return {
        input: ''
      }
    }
  }
</script>

<style scoped lang="scss">
.el-input {
    width: 180px;
  }
</style>

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# 密码框

使用show-password属性即可得到一个可切换显示隐藏的密码框

<template>
  <el-input placeholder="请输入密码" v-model="input" show-password></el-input>
</template>

<script>
  export default {
    data() {
      return {
        input: ''
      }
    }
  }
</script>

<style scoped lang="scss">
.el-input {
    width: 180px;
  }
</style>

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# 带 icon 的输入框

带有图标标记输入类型

属性方式:
slot 方式:

可以通过 prefix-icon 和 suffix-icon 属性在 input 组件首部和尾部增加显示图标,也可以通过 slot 来放置图标。

<template>
    <div>
        <div class="demo-input-suffix">
        属性方式:
        <el-input
          placeholder="请选择日期"
          suffix-icon="el-icon-date"
          v-model="input1">
        </el-input>
        <el-input
          placeholder="请输入内容"
          prefix-icon="el-icon-search"
          v-model="input2">
        </el-input>
        </div>
        <div class="demo-input-suffix">
        slot 方式:
        <el-input
          placeholder="请选择日期"
          v-model="input3">
          <i slot="suffix" class="el-input__icon el-icon-date"></i>
        </el-input>
        <el-input
          placeholder="请输入内容"
          v-model="input4">
          <i slot="prefix" class="el-input__icon el-icon-search"></i>
        </el-input>
        </div>
    </div>
</template>

<script>
export default {
  data() {
    return {
      input1: '',
      input2: '',
      input3: '',
      input4: ''
    }
  }
}
</script>
<style lang="scss" scoped>
.demo-input-suffix {
  margin-bottom: 15px;

  .el-input {
    margin-right: 15px;
  }
}
</style>

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# 文本域

用于输入多行文本信息,通过将 type 属性的值指定为 textarea。

文本域高度可通过 rows 属性控制

<template>
  <el-input
    type="textarea"
    :rows="2"
    placeholder="请输入内容"
    v-model="textarea">
  </el-input>
</template>

<script>
export default {
  data() {
    return {
      textarea: ''
    }
  }
}
</script>
<style lang="scss" scoped>
.el-textarea {
    width: 414px;
  }
</style>

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# 可自适应文本高度的文本域

通过设置 autosize 属性可以使得文本域的高度能够根据文本内容自动进行调整,并且 autosize 还可以设定为一个对象,指定最小行数和最大行数。

<template>
  <div>
    <el-input
        type="textarea"
        autosize
        placeholder="请输入内容"
        v-model="textarea1">
      </el-input>
      <div style="margin: 20px 0;"></div>
      <el-input
        type="textarea"
        :autosize="{ minRows: 2, maxRows: 4}"
        placeholder="请输入内容"
        v-model="textarea2">
      </el-input>
  </div>
</template>

<script>
export default {
  data() {
    return {
      textarea1: '',
      textarea2: ''
    }
  }
}
</script>

<style lang="scss" scoped>
.el-textarea {
    width: 414px;
  }
</style>
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# 复合型输入框

可前置或后置元素,一般为标签或按钮

Http://
.com

可通过 slot 来指定在 input 中前置或者后置内容。

<template>
  <div>
      <div>
        <el-input placeholder="请输入内容" v-model="input1">
          <template slot="prepend">Http://</template>
        </el-input>
      </div>
      <div style="margin-top: 15px;">
        <el-input placeholder="请输入内容" v-model="input2">
          <template slot="append">.com</template>
        </el-input>
      </div>
      <div style="margin-top: 15px;">
        <el-input placeholder="请输入内容" v-model="input3" class="input-with-select">
          <el-select v-model="select" slot="prepend" placeholder="请选择">
            <el-option label="餐厅名" value="1"></el-option>
            <el-option label="订单号" value="2"></el-option>
            <el-option label="用户电话" value="3"></el-option>
          </el-select>
          <el-button slot="append" icon="el-icon-search"></el-button>
        </el-input>
      </div>
  </div>
</template>
<style lang="scss" scoped>
  .el-select .el-input {
    width: 130px;
  }
  .input-with-select .el-input-group__prepend {
    background-color: #fff;
  }
</style>
<script>
export default {
  data() {
    return {
      input1: '',
      input2: '',
      input3: '',
      select: ''
    }
  }
}
</script>
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# 尺寸

可通过 size 属性指定输入框的尺寸,除了默认的大小外,还提供了 large、small 和 mini 三种尺寸。

<template>
  <div class="demo-input-size">
    <el-input
      placeholder="请输入内容"
      suffix-icon="el-icon-date"
      v-model="input1">
    </el-input>
    <el-input
      size="medium"
      placeholder="请输入内容"
      suffix-icon="el-icon-date"
      v-model="input2">
    </el-input>
    <el-input
      size="small"
      placeholder="请输入内容"
      suffix-icon="el-icon-date"
      v-model="input3">
    </el-input>
    <el-input
      size="mini"
      placeholder="请输入内容"
      suffix-icon="el-icon-date"
      v-model="input4">
    </el-input>
  </div>
</template>

<script>
export default {
  data() {
    return {
      input1: '',
      input2: '',
      input3: '',
      input4: ''
    }
  }
}
</script>

<style lang="scss" scoped>
.el-input {
    width: 180px;
  }
</style>

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# 带输入建议

根据输入内容提供对应的输入建议

激活即列出输入建议
输入后匹配输入建议

autocomplete 是一个可带输入建议的输入框组件,fetch-suggestions 是一个返回输入建议的方法属性,如 querySearch(queryString, cb),在该方法中你可以在你的输入建议数据准备好时通过 cb(data) 返回到 autocomplete 组件中。

<template>
  <el-row class="demo-autocomplete">
    <el-col :span="12">
      <div class="sub-title">激活即列出输入建议</div>
      <el-autocomplete
        class="inline-input"
        v-model="state1"
        :fetch-suggestions="querySearch"
        placeholder="请输入内容"
        @select="handleSelect"
      ></el-autocomplete>
    </el-col>
    <el-col :span="12">
      <div class="sub-title">输入后匹配输入建议</div>
      <el-autocomplete
        class="inline-input"
        v-model="state2"
        :fetch-suggestions="querySearch"
        placeholder="请输入内容"
        :trigger-on-focus="false"
        @select="handleSelect"
      ></el-autocomplete>
    </el-col>
  </el-row>
</template>
<script>
  export default {
    data() {
      return {
        restaurants: [],
        state1: '',
        state2: ''
      };
    },
    methods: {
      querySearch(queryString, cb) {
        var restaurants = this.restaurants;
        var results = queryString ? restaurants.filter(this.createFilter(queryString)) : restaurants;
        // 调用 callback 返回建议列表的数据
        cb(results);
      },
      createFilter(queryString) {
        return (restaurant) => {
          return (restaurant.value.toLowerCase().indexOf(queryString.toLowerCase()) === 0);
        };
      },
      loadAll() {
        return [
          { "value": "三全鲜食(北新泾店)", "address": "长宁区新渔路144号" },
          { "value": "Hot honey 首尔炸鸡(仙霞路)", "address": "上海市长宁区淞虹路661号" },
          { "value": "新旺角茶餐厅", "address": "上海市普陀区真北路988号创邑金沙谷6号楼113" },
          { "value": "泷千家(天山西路店)", "address": "天山西路438号" },
          { "value": "胖仙女纸杯蛋糕(上海凌空店)", "address": "上海市长宁区金钟路968号1幢18号楼一层商铺18-101" },
          { "value": "贡茶", "address": "上海市长宁区金钟路633号" },
          { "value": "豪大大香鸡排超级奶爸", "address": "上海市嘉定区曹安公路曹安路1685号" },
          { "value": "茶芝兰(奶茶,手抓饼)", "address": "上海市普陀区同普路1435号" },
          { "value": "十二泷町", "address": "上海市北翟路1444弄81号B幢-107" },
          { "value": "星移浓缩咖啡", "address": "上海市嘉定区新郁路817号" },
          { "value": "阿姨奶茶/豪大大", "address": "嘉定区曹安路1611号" },
          { "value": "新麦甜四季甜品炸鸡", "address": "嘉定区曹安公路2383弄55号" },
          { "value": "Monica摩托主题咖啡店", "address": "嘉定区江桥镇曹安公路2409号1F,2383弄62号1F" },
          { "value": "浮生若茶(凌空soho店)", "address": "上海长宁区金钟路968号9号楼地下一层" },
          { "value": "NONO JUICE  鲜榨果汁", "address": "上海市长宁区天山西路119号" },
          { "value": "CoCo都可(北新泾店)", "address": "上海市长宁区仙霞西路" },
          { "value": "快乐柠檬(神州智慧店)", "address": "上海市长宁区天山西路567号1层R117号店铺" },
          { "value": "Merci Paul cafe", "address": "上海市普陀区光复西路丹巴路28弄6号楼819" },
          { "value": "猫山王(西郊百联店)", "address": "上海市长宁区仙霞西路88号第一层G05-F01-1-306" },
          { "value": "枪会山", "address": "上海市普陀区棕榈路" },
          { "value": "纵食", "address": "元丰天山花园(东门) 双流路267号" },
          { "value": "钱记", "address": "上海市长宁区天山西路" },
          { "value": "壹杯加", "address": "上海市长宁区通协路" },
          { "value": "唦哇嘀咖", "address": "上海市长宁区新泾镇金钟路999号2幢(B幢)第01层第1-02A单元" },
          { "value": "爱茜茜里(西郊百联)", "address": "长宁区仙霞西路88号1305室" },
          { "value": "爱茜茜里(近铁广场)", "address": "上海市普陀区真北路818号近铁城市广场北区地下二楼N-B2-O2-C商铺" },
          { "value": "鲜果榨汁(金沙江路和美广店)", "address": "普陀区金沙江路2239号金沙和美广场B1-10-6" },
          { "value": "开心丽果(缤谷店)", "address": "上海市长宁区威宁路天山路341号" },
          { "value": "超级鸡车(丰庄路店)", "address": "上海市嘉定区丰庄路240号" },
          { "value": "妙生活果园(北新泾店)", "address": "长宁区新渔路144号" },
          { "value": "香宜度麻辣香锅", "address": "长宁区淞虹路148号" },
          { "value": "凡仔汉堡(老真北路店)", "address": "上海市普陀区老真北路160号" },
          { "value": "港式小铺", "address": "上海市长宁区金钟路968号15楼15-105室" },
          { "value": "蜀香源麻辣香锅(剑河路店)", "address": "剑河路443-1" },
          { "value": "北京饺子馆", "address": "长宁区北新泾街道天山西路490-1号" },
          { "value": "饭典*新简餐(凌空SOHO店)", "address": "上海市长宁区金钟路968号9号楼地下一层9-83室" },
          { "value": "焦耳·川式快餐(金钟路店)", "address": "上海市金钟路633号地下一层甲部" },
          { "value": "动力鸡车", "address": "长宁区仙霞西路299弄3号101B" },
          { "value": "浏阳蒸菜", "address": "天山西路430号" },
          { "value": "四海游龙(天山西路店)", "address": "上海市长宁区天山西路" },
          { "value": "樱花食堂(凌空店)", "address": "上海市长宁区金钟路968号15楼15-105室" },
          { "value": "壹分米客家传统调制米粉(天山店)", "address": "天山西路428号" },
          { "value": "福荣祥烧腊(平溪路店)", "address": "上海市长宁区协和路福泉路255弄57-73号" },
          { "value": "速记黄焖鸡米饭", "address": "上海市长宁区北新泾街道金钟路180号1层01号摊位" },
          { "value": "红辣椒麻辣烫", "address": "上海市长宁区天山西路492号" },
          { "value": "(小杨生煎)西郊百联餐厅", "address": "长宁区仙霞西路88号百联2楼" },
          { "value": "阳阳麻辣烫", "address": "天山西路389号" },
          { "value": "南拳妈妈龙虾盖浇饭", "address": "普陀区金沙江路1699号鑫乐惠美食广场A13" }
        ];
      },
      handleSelect(item) {
        console.log(item);
      }
    },
    mounted() {
      this.restaurants = this.loadAll();
    }
  }
</script>
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# 自定义模板

可自定义输入建议的显示

使用scoped slot自定义输入建议的模板。该 scope 的参数为item,表示当前输入建议对象。

<template>
  <el-autocomplete
    popper-class="my-autocomplete"
    v-model="state"
    :fetch-suggestions="querySearch"
    placeholder="请输入内容"
    @select="handleSelect">
    <i
      class="el-icon-edit el-input__icon"
      slot="suffix"
      @click="handleIconClick">
    </i>
    <template slot-scope="{ item }">
      <div class="name">{{ item.value }}</div>
      <span class="addr">{{ item.address }}</span>
    </template>
  </el-autocomplete>
</template>

<style>
.my-autocomplete {
  li {
    line-height: normal;
    padding: 7px;

    .name {
      text-overflow: ellipsis;
      overflow: hidden;
    }
    .addr {
      font-size: 12px;
      color: #b4b4b4;
    }

    .highlighted .addr {
      color: #ddd;
    }
  }
}
</style>

<script>
  export default {
    data() {
      return {
        restaurants: [],
        state: ''
      };
    },
    methods: {
      querySearch(queryString, cb) {
        var restaurants = this.restaurants;
        var results = queryString ? restaurants.filter(this.createFilter(queryString)) : restaurants;
        // 调用 callback 返回建议列表的数据
        cb(results);
      },
      createFilter(queryString) {
        return (restaurant) => {
          return (restaurant.value.toLowerCase().indexOf(queryString.toLowerCase()) === 0);
        };
      },
      loadAll() {
        return [
          { "value": "三全鲜食(北新泾店)", "address": "长宁区新渔路144号" },
          { "value": "Hot honey 首尔炸鸡(仙霞路)", "address": "上海市长宁区淞虹路661号" },
          { "value": "新旺角茶餐厅", "address": "上海市普陀区真北路988号创邑金沙谷6号楼113" },
          { "value": "泷千家(天山西路店)", "address": "天山西路438号" },
          { "value": "胖仙女纸杯蛋糕(上海凌空店)", "address": "上海市长宁区金钟路968号1幢18号楼一层商铺18-101" },
          { "value": "贡茶", "address": "上海市长宁区金钟路633号" },
          { "value": "豪大大香鸡排超级奶爸", "address": "上海市嘉定区曹安公路曹安路1685号" },
          { "value": "茶芝兰(奶茶,手抓饼)", "address": "上海市普陀区同普路1435号" },
          { "value": "十二泷町", "address": "上海市北翟路1444弄81号B幢-107" },
          { "value": "星移浓缩咖啡", "address": "上海市嘉定区新郁路817号" },
          { "value": "阿姨奶茶/豪大大", "address": "嘉定区曹安路1611号" },
          { "value": "新麦甜四季甜品炸鸡", "address": "嘉定区曹安公路2383弄55号" },
          { "value": "Monica摩托主题咖啡店", "address": "嘉定区江桥镇曹安公路2409号1F,2383弄62号1F" },
          { "value": "浮生若茶(凌空soho店)", "address": "上海长宁区金钟路968号9号楼地下一层" },
          { "value": "NONO JUICE  鲜榨果汁", "address": "上海市长宁区天山西路119号" },
          { "value": "CoCo都可(北新泾店)", "address": "上海市长宁区仙霞西路" },
          { "value": "快乐柠檬(神州智慧店)", "address": "上海市长宁区天山西路567号1层R117号店铺" },
          { "value": "Merci Paul cafe", "address": "上海市普陀区光复西路丹巴路28弄6号楼819" },
          { "value": "猫山王(西郊百联店)", "address": "上海市长宁区仙霞西路88号第一层G05-F01-1-306" },
          { "value": "枪会山", "address": "上海市普陀区棕榈路" },
          { "value": "纵食", "address": "元丰天山花园(东门) 双流路267号" },
          { "value": "钱记", "address": "上海市长宁区天山西路" },
          { "value": "壹杯加", "address": "上海市长宁区通协路" },
          { "value": "唦哇嘀咖", "address": "上海市长宁区新泾镇金钟路999号2幢(B幢)第01层第1-02A单元" },
          { "value": "爱茜茜里(西郊百联)", "address": "长宁区仙霞西路88号1305室" },
          { "value": "爱茜茜里(近铁广场)", "address": "上海市普陀区真北路818号近铁城市广场北区地下二楼N-B2-O2-C商铺" },
          { "value": "鲜果榨汁(金沙江路和美广店)", "address": "普陀区金沙江路2239号金沙和美广场B1-10-6" },
          { "value": "开心丽果(缤谷店)", "address": "上海市长宁区威宁路天山路341号" },
          { "value": "超级鸡车(丰庄路店)", "address": "上海市嘉定区丰庄路240号" },
          { "value": "妙生活果园(北新泾店)", "address": "长宁区新渔路144号" },
          { "value": "香宜度麻辣香锅", "address": "长宁区淞虹路148号" },
          { "value": "凡仔汉堡(老真北路店)", "address": "上海市普陀区老真北路160号" },
          { "value": "港式小铺", "address": "上海市长宁区金钟路968号15楼15-105室" },
          { "value": "蜀香源麻辣香锅(剑河路店)", "address": "剑河路443-1" },
          { "value": "北京饺子馆", "address": "长宁区北新泾街道天山西路490-1号" },
          { "value": "饭典*新简餐(凌空SOHO店)", "address": "上海市长宁区金钟路968号9号楼地下一层9-83室" },
          { "value": "焦耳·川式快餐(金钟路店)", "address": "上海市金钟路633号地下一层甲部" },
          { "value": "动力鸡车", "address": "长宁区仙霞西路299弄3号101B" },
          { "value": "浏阳蒸菜", "address": "天山西路430号" },
          { "value": "四海游龙(天山西路店)", "address": "上海市长宁区天山西路" },
          { "value": "樱花食堂(凌空店)", "address": "上海市长宁区金钟路968号15楼15-105室" },
          { "value": "壹分米客家传统调制米粉(天山店)", "address": "天山西路428号" },
          { "value": "福荣祥烧腊(平溪路店)", "address": "上海市长宁区协和路福泉路255弄57-73号" },
          { "value": "速记黄焖鸡米饭", "address": "上海市长宁区北新泾街道金钟路180号1层01号摊位" },
          { "value": "红辣椒麻辣烫", "address": "上海市长宁区天山西路492号" },
          { "value": "(小杨生煎)西郊百联餐厅", "address": "长宁区仙霞西路88号百联2楼" },
          { "value": "阳阳麻辣烫", "address": "天山西路389号" },
          { "value": "南拳妈妈龙虾盖浇饭", "address": "普陀区金沙江路1699号鑫乐惠美食广场A13" }
        ];
      },
      handleSelect(item) {
        console.log(item);
      },
      handleIconClick(ev) {
        console.log(ev);
      }
    },
    mounted() {
      this.restaurants = this.loadAll();
    }
  }
</script>
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# 远程搜索

从服务端搜索数据

<template>
  <div>
    <el-autocomplete
      v-model="state"
      :fetch-suggestions="querySearchAsync"
      placeholder="请输入内容"
      @select="handleSelect"
    ></el-autocomplete>
  </div>
</template>
<script>
  export default {
    data() {
      return {
        restaurants: [],
        state: '',
        timeout:  null
      };
    },
    methods: {
      loadAll() {
        return [
          { "value": "三全鲜食(北新泾店)", "address": "长宁区新渔路144号" },
          { "value": "Hot honey 首尔炸鸡(仙霞路)", "address": "上海市长宁区淞虹路661号" },
          { "value": "新旺角茶餐厅", "address": "上海市普陀区真北路988号创邑金沙谷6号楼113" },
          { "value": "泷千家(天山西路店)", "address": "天山西路438号" },
          { "value": "胖仙女纸杯蛋糕(上海凌空店)", "address": "上海市长宁区金钟路968号1幢18号楼一层商铺18-101" },
          { "value": "贡茶", "address": "上海市长宁区金钟路633号" },
          { "value": "豪大大香鸡排超级奶爸", "address": "上海市嘉定区曹安公路曹安路1685号" },
          { "value": "茶芝兰(奶茶,手抓饼)", "address": "上海市普陀区同普路1435号" },
          { "value": "十二泷町", "address": "上海市北翟路1444弄81号B幢-107" },
          { "value": "星移浓缩咖啡", "address": "上海市嘉定区新郁路817号" },
          { "value": "阿姨奶茶/豪大大", "address": "嘉定区曹安路1611号" },
          { "value": "新麦甜四季甜品炸鸡", "address": "嘉定区曹安公路2383弄55号" },
          { "value": "Monica摩托主题咖啡店", "address": "嘉定区江桥镇曹安公路2409号1F,2383弄62号1F" },
          { "value": "浮生若茶(凌空soho店)", "address": "上海长宁区金钟路968号9号楼地下一层" },
          { "value": "NONO JUICE  鲜榨果汁", "address": "上海市长宁区天山西路119号" },
          { "value": "CoCo都可(北新泾店)", "address": "上海市长宁区仙霞西路" },
          { "value": "快乐柠檬(神州智慧店)", "address": "上海市长宁区天山西路567号1层R117号店铺" },
          { "value": "Merci Paul cafe", "address": "上海市普陀区光复西路丹巴路28弄6号楼819" },
          { "value": "猫山王(西郊百联店)", "address": "上海市长宁区仙霞西路88号第一层G05-F01-1-306" },
          { "value": "枪会山", "address": "上海市普陀区棕榈路" },
          { "value": "纵食", "address": "元丰天山花园(东门) 双流路267号" },
          { "value": "钱记", "address": "上海市长宁区天山西路" },
          { "value": "壹杯加", "address": "上海市长宁区通协路" },
          { "value": "唦哇嘀咖", "address": "上海市长宁区新泾镇金钟路999号2幢(B幢)第01层第1-02A单元" },
          { "value": "爱茜茜里(西郊百联)", "address": "长宁区仙霞西路88号1305室" },
          { "value": "爱茜茜里(近铁广场)", "address": "上海市普陀区真北路818号近铁城市广场北区地下二楼N-B2-O2-C商铺" },
          { "value": "鲜果榨汁(金沙江路和美广店)", "address": "普陀区金沙江路2239号金沙和美广场B1-10-6" },
          { "value": "开心丽果(缤谷店)", "address": "上海市长宁区威宁路天山路341号" },
          { "value": "超级鸡车(丰庄路店)", "address": "上海市嘉定区丰庄路240号" },
          { "value": "妙生活果园(北新泾店)", "address": "长宁区新渔路144号" },
          { "value": "香宜度麻辣香锅", "address": "长宁区淞虹路148号" },
          { "value": "凡仔汉堡(老真北路店)", "address": "上海市普陀区老真北路160号" },
          { "value": "港式小铺", "address": "上海市长宁区金钟路968号15楼15-105室" },
          { "value": "蜀香源麻辣香锅(剑河路店)", "address": "剑河路443-1" },
          { "value": "北京饺子馆", "address": "长宁区北新泾街道天山西路490-1号" },
          { "value": "饭典*新简餐(凌空SOHO店)", "address": "上海市长宁区金钟路968号9号楼地下一层9-83室" },
          { "value": "焦耳·川式快餐(金钟路店)", "address": "上海市金钟路633号地下一层甲部" },
          { "value": "动力鸡车", "address": "长宁区仙霞西路299弄3号101B" },
          { "value": "浏阳蒸菜", "address": "天山西路430号" },
          { "value": "四海游龙(天山西路店)", "address": "上海市长宁区天山西路" },
          { "value": "樱花食堂(凌空店)", "address": "上海市长宁区金钟路968号15楼15-105室" },
          { "value": "壹分米客家传统调制米粉(天山店)", "address": "天山西路428号" },
          { "value": "福荣祥烧腊(平溪路店)", "address": "上海市长宁区协和路福泉路255弄57-73号" },
          { "value": "速记黄焖鸡米饭", "address": "上海市长宁区北新泾街道金钟路180号1层01号摊位" },
          { "value": "红辣椒麻辣烫", "address": "上海市长宁区天山西路492号" },
          { "value": "(小杨生煎)西郊百联餐厅", "address": "长宁区仙霞西路88号百联2楼" },
          { "value": "阳阳麻辣烫", "address": "天山西路389号" },
          { "value": "南拳妈妈龙虾盖浇饭", "address": "普陀区金沙江路1699号鑫乐惠美食广场A13" }
        ];
      },
      querySearchAsync(queryString, cb) {
        var restaurants = this.restaurants;
        var results = queryString ? restaurants.filter(this.createStateFilter(queryString)) : restaurants;

        clearTimeout(this.timeout);
        this.timeout = setTimeout(() => {
          cb(results);
        }, 3000 * Math.random());
      },
      createStateFilter(queryString) {
        return (state) => {
          return (state.value.toLowerCase().indexOf(queryString.toLowerCase()) === 0);
        };
      },
      handleSelect(item) {
        console.log(item);
      }
    },
    mounted() {
      this.restaurants = this.loadAll();
    }
  };
</script>
<style lang="scss" scoped>
.el-autocomplete-suggestion{
  li {
    line-height: normal;
    padding-top: 7px;
    padding-bottom: 7px;

    .name {
      text-overflow: ellipsis;
      overflow: hidden;
    }

    .addr {
      font-size: 12px;
      color: #b4b4b4;
    }

    .highlighted .addr {
      color: #ddd;
    }
  }
}
</style>

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# 输入长度限制

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maxlength 和 minlength 是原生属性,用来限制输入框的字符长度,其中字符长度是用 Javascript 的字符串长度统计的。对于类型为 text 或 textarea 的输入框,在使用 maxlength 属性限制最大输入长度的同时,可通过设置 show-word-limit 属性来展示字数统计。

<template>
  <div>
    <el-input
        type="text"
        placeholder="请输入内容"
        v-model="text"
        maxlength="10"
        show-word-limit
      >
      </el-input>
      <div style="margin: 20px 0;"></div>
      <el-input
        type="textarea"
        placeholder="请输入内容"
        v-model="textarea"
        maxlength="30"
        show-word-limit
      >
      </el-input>
  </div>
</template>

<script>
export default {
  data() {
    return {
      text: '',
      textarea: ''
    }
  }
}
</script>

<style lang="scss" scoped>
.el-input {
    width: 180px;
  }
</style>
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# Input Attributes

参数 说明 类型 可选值 默认值
type 类型 string text,textarea 和其他 原生 input 的 type 值 (opens new window) text
value / v-model 绑定值 string / number — —
maxlength 原生属性,最大输入长度 number — —
minlength 原生属性,最小输入长度 number — —
show-word-limit 是否显示输入字数统计,只在 type = "text" 或 type = "textarea" 时有效 boolean — false
placeholder 输入框占位文本 string — —
clearable 是否可清空 boolean — false
show-password 是否显示切换密码图标 boolean — false
disabled 禁用 boolean — false
size 输入框尺寸,只在 type!="textarea" 时有效 string medium / small / mini —
prefix-icon 输入框头部图标 string — —
suffix-icon 输入框尾部图标 string — —
rows 输入框行数,只对 type="textarea" 有效 number — 2
autosize 自适应内容高度,只对 type="textarea" 有效,可传入对象,如,{ minRows: 2, maxRows: 6 } boolean / object — false
autocomplete 原生属性,自动补全 string on, off off
auto-complete 下个主版本弃用 string on, off off
name 原生属性 string — —
readonly 原生属性,是否只读 boolean — false
max 原生属性,设置最大值 — — —
min 原生属性,设置最小值 — — —
step 原生属性,设置输入字段的合法数字间隔 — — —
resize 控制是否能被用户缩放 string none, both, horizontal, vertical —
autofocus 原生属性,自动获取焦点 boolean true, false false
form 原生属性 string — —
label 输入框关联的label文字 string — —
tabindex 输入框的tabindex string - -
validate-event 输入时是否触发表单的校验 boolean - true

# Input Slots

name 说明
prefix 输入框头部内容,只对 type="text" 有效
suffix 输入框尾部内容,只对 type="text" 有效
prepend 输入框前置内容,只对 type="text" 有效
append 输入框后置内容,只对 type="text" 有效

# Input Events

事件名称 说明 回调参数
blur 在 Input 失去焦点时触发 (event: Event)
focus 在 Input 获得焦点时触发 (event: Event)
change 仅在输入框失去焦点或用户按下回车时触发 (value: string | number)
input 在 Input 值改变时触发 (value: string | number)
clear 在点击由 clearable 属性生成的清空按钮时触发 —

# Input Methods

方法名 说明 参数
focus 使 input 获取焦点 —
blur 使 input 失去焦点 —
select 选中 input 中的文字 —

# Autocomplete Attributes

参数 说明 类型 可选值 默认值
placeholder 输入框占位文本 string — —
disabled 禁用 boolean — false
value-key 输入建议对象中用于显示的键名 string — value
value 必填值,输入绑定值 string — —
debounce 获取输入建议的去抖延时 number — 300
placement 菜单弹出位置 string top / top-start / top-end / bottom / bottom-start / bottom-end bottom-start
fetch-suggestions 返回输入建议的方法,仅当你的输入建议数据 resolve 时,通过调用 callback(data:[]) 来返回它 Function(queryString, callback) — —
popper-class Autocomplete 下拉列表的类名 string — —
trigger-on-focus 是否在输入框 focus 时显示建议列表 boolean — true
name 原生属性 string — —
select-when-unmatched 在输入没有任何匹配建议的情况下,按下回车是否触发 select 事件 boolean — false
label 输入框关联的label文字 string — —
prefix-icon 输入框头部图标 string — —
suffix-icon 输入框尾部图标 string — —
hide-loading 是否隐藏远程加载时的加载图标 boolean — false
popper-append-to-body 是否将下拉列表插入至 body 元素。在下拉列表的定位出现问题时,可将该属性设置为 false boolean - true
highlight-first-item 是否默认突出显示远程搜索建议中的第一项 boolean — false

# Autocomplete Slots

name 说明
prefix 输入框头部内容
suffix 输入框尾部内容
prepend 输入框前置内容
append 输入框后置内容

# Autocomplete Scoped Slot

name 说明
— 自定义输入建议,参数为 { item }

# Autocomplete Events

事件名称 说明 回调参数
select 点击选中建议项时触发 选中建议项

# Autocomplete Methods

方法名 说明 参数
focus 使 input 获取焦点 -
Last Updated: 7/24/2021, 4:16:04 PM