Api

el-autocomplete

基础使用

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<style>
  .demo-box {
    .el-autocomplete {
      width: 180px;
    }
    .el-autocomplete__suggestions.my-autocomplete-suggestions {
      width: 300px;

      & .remark {
        float: right;
        font-size: 13px;
      }
    }
  }
</style>
<script>
  var $q = require('q');

  export default {
    data() {
      return {
        states: [],
        state1: '',
        state2: '',
        state3: '',
        state4: '',
        myPartial: {
          name: 'my-autocomplete-suggestions',
          template: '<span class="label">选项</span><span class="remark"></span>'
        }
      }
    },
    methods: {
      loadAll() {
        var allStates = 'Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware,\
                Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana,\
                Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana,\
                Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina,\
                North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina,\
                South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia,\
                Wisconsin, Wyoming';
        var result = [];

        allStates.split(/, +/g).forEach((state) => {
          if (state) {
            result.push({
              value: state.toLowerCase(),
              display: state
            });
          }
        });

        return result;
      },
      querySearch(query, simulateQuery) {
        var states = this.states;
        var results = query ? states.filter(this.createStateFilter(query)) : states,
            deferred;
        
        if (simulateQuery) {
          if (!query) { return []; }

          deferred = $q.defer();

          setTimeout(() => {
            deferred.resolve(results);
          }, Math.random() * 3000, false);

          return deferred.promise;
        } else {
          return results;
        }
      },
      createStateFilter(query) {
        return (state) => {
          return (state.value.indexOf(query.toLowerCase()) === 0);
        };
      }
    },
    ready() {
      this.states = this.loadAll();
    }
  };
</script>

<div class="demo-box">
  <el-autocomplete
    :value.sync = "state1"
    :suggestions = "querySearch(state1)"
    placeholder = "请输入内容"
  ></el-autocomplete>
</div>

<template>
  <el-autocomplete
    :value.sync = "state1"
    :suggestions = "querySearch(state1)"
    placeholder = "请输入内容"
  ></el-autocomplete>
</template>
<script>
  export default {
    data() {
      return {
        state1: ''
      }
    },
    methods: {
      loadAll() {
        var allStates = 'Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware,\
                Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana,\
                Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana,\
                Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina,\
                North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina,\
                South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia,\
                Wisconsin, Wyoming';
        var result = [];

        allStates.split(/, +/g).forEach((state) => {
          if (state) {
            result.push({
              value: state.toLowerCase(),
              display: state
            });
          }
        });

        return result;
      },
      querySearch(query, simulateQuery) {
        var states = this.states;
        var results = query ? states.filter(this.createStateFilter(query)) : states,
            deferred;
        
        if (simulateQuery) {
          if (!query) { return []; }

          deferred = $q.defer();

          setTimeout(() => {
            deferred.resolve(results);
          }, Math.random() * 3000, false);

          return deferred.promise;
        } else {
          return results;
        }
      },
      createStateFilter(query) {
        return (state) => {
          return (state.value.indexOf(query.toLowerCase()) === 0);
        };
      }
    },
    ready() {
      this.states = this.loadAll();
    }
  };
</script>

通过键盘控制下拉的显示

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<div class="demo-box">
  <el-autocomplete
    :value.sync = "state2"
    :suggestions = "querySearch(state2)"
    :show-on-up-down = "true"
    placeholder = "请输入内容"
  ></el-autocomplete>
</div>

<template>
  <el-autocomplete
    :value.sync = "state2"
    :suggestions = "querySearch(state2)"
    :show-on-up-down = "true"
    placeholder = "请输入内容"
  ></el-autocomplete>
</template>
<script>
  export default {
    data() {
      return {
        state2: ''
      }
    },
    methods: {
      loadAll() {
        var allStates = 'Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware,\
                Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana,\
                Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana,\
                Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina,\
                North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina,\
                South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia,\
                Wisconsin, Wyoming';
        var result = [];

        allStates.split(/, +/g).forEach((state) => {
          if (state) {
            result.push({
              value: state.toLowerCase(),
              display: state
            });
          }
        });

        return result;
      },
      querySearch(query, simulateQuery) {
        var states = this.states;
        var results = query ? states.filter(this.createStateFilter(query)) : states,
            deferred;
        
        if (simulateQuery) {
          if (!query) { return []; }

          deferred = $q.defer();

          setTimeout(() => {
            deferred.resolve(results);
          }, Math.random() * 3000, false);

          return deferred.promise;
        } else {
          return results;
        }
      },
      createStateFilter(query) {
        return (state) => {
          return (state.value.indexOf(query.toLowerCase()) === 0);
        };
      }
    },
    ready() {
      this.states = this.loadAll();
    }
  };
</script>

自定义模板

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<div class="demo-box">
  <el-autocomplete
    :value.sync = "state3"
    :suggestions = "querySearch(state3)"
    :partial = "myPartial"
    placeholder = "请输入内容"
  ></el-autocomplete>
</div>

<el-autocomplete
  :value.sync = "state3"
  :suggestions = "querySearch(state3)"
  :partial = "myPartial"
  placeholder = "请输入内容"
></el-autocomplete>

<script>
  export default {
    data() {
      return {
        state3: '',
        myPartial: {
          name: 'my-autocomplete-suggestions',
          template: '<span class="label">选项</span><span class="remark"></span>'
        }
      }
    },
    methods: {
      loadAll() {
        var allStates = 'Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware,\
                Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana,\
                Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana,\
                Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina,\
                North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina,\
                South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia,\
                Wisconsin, Wyoming';
        var result = [];

        allStates.split(/, +/g).forEach((state) => {
          if (state) {
            result.push({
              value: state.toLowerCase(),
              display: state
            });
          }
        });

        return result;
      },
      querySearch(query, simulateQuery) {
        var states = this.states;
        var results = query ? states.filter(this.createStateFilter(query)) : states,
            deferred;
        
        if (simulateQuery) {
          if (!query) { return []; }

          deferred = $q.defer();

          setTimeout(() => {
            deferred.resolve(results);
          }, Math.random() * 3000, false);

          return deferred.promise;
        } else {
          return results;
        }
      },
      createStateFilter(query) {
        return (state) => {
          return (state.value.indexOf(query.toLowerCase()) === 0);
        };
      }
    },
    ready() {
      this.states = this.loadAll();
    }
  };
</script>

服务端数据

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<div class="demo-box">
  <el-autocomplete
    :value.sync = "state4"
    :suggestions = "querySearch(state4, true)"
    :search-from-server = "true"
    placeholder = "请输入内容"
  ></el-autocomplete>
</div>
<el-autocomplete
  :value.sync = "state4"
  :suggestions = "querySearch(state4, true)"
  :search-from-server = "true"
  placeholder = "请输入内容"
></el-autocomplete>
<script>
  var $q = require('q');

  export default {
    data() {
      return {
        state4: ''
      }
    },
    methods: {
      loadAll() {
        var allStates = 'Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware,\
                Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana,\
                Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana,\
                Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina,\
                North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina,\
                South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia,\
                Wisconsin, Wyoming';
        var result = [];

        allStates.split(/, +/g).forEach((state) => {
          if (state) {
            result.push({
              value: state.toLowerCase(),
              display: state
            });
          }
        });

        return result;
      },
      querySearch(query, simulateQuery) {
        var states = this.states;
        var results = query ? states.filter(this.createStateFilter(query)) : states,
            deferred;
        
        if (simulateQuery) {
          if (!query) { return []; }

          deferred = $q.defer();

          setTimeout(() => {
            deferred.resolve(results);
          }, Math.random() * 3000, false);

          return deferred.promise;
        } else {
          return results;
        }
      },
      createStateFilter(query) {
        return (state) => {
          return (state.value.indexOf(query.toLowerCase()) === 0);
        };
      }
    },
    ready() {
      this.states = this.loadAll();
    }
  };
</script>

API

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 true, false false
suggestions 建议列表 array,object
value 输入绑定值 string
showOnUpDown 是否通过键盘上下键控制建议列表 boolean
partial 建议列表的自定义模板 object