vue基于element-china-area-data插件实现省市区联动

npm install element-china-area-data -S
cnpm install element-china-area-data -S

<template>
  <div>
    <el-cascader size="large" :options="options" v-model="provinces" @change="handleChange" placeholder="请选择省市区"></el-cascader>
  </div>
</template>
 
<script>
import { regionData } from "element-china-area-data";//引入
export default {
  data() {
    return {
      options: regionData,//选择格式
      provinces: [], //省市区绑定数组
    };
  },

  methods: {
    // 事件触发
    handleChange(e) {
      console.log(e, "所选code值");
    },
  },
};
</script>

<template>
  <div id="app">
    <el-cascader
      size="large"
      :options="options"
      v-model="selectedOptions"
      @change="handleChange">
    </el-cascader>
  </div>
</template>
 
<script>
  import { provinceAndCityData } from 'element-china-area-data'
  export default {
    data () {
      return {
        options: provinceAndCityData,
        selectedOptions: []
      }
    },
 
    methods: {
      handleChange (value) {
        console.log(value)
      }
    }
  }
</script>

<template>
  <div id="app">
    <el-cascader
      size="large"
      :options="options"
      v-model="selectedOptions"
      @change="handleChange">
    </el-cascader>
  </div>
</template>
 
<script>
  import { provinceAndCityDataPlus } from 'element-china-area-data'
  export default {
    data () {
      return {
        options: provinceAndCityDataPlus,
        selectedOptions: []
      }
    },
 
    methods: {
      handleChange (value) {
        console.log(value)
      }
    }
  }
</script>

<template>
  <div id="app">
    <el-cascader
      size="large"
      :options="options"
      v-model="selectedOptions"
      @change="handleChange">
    </el-cascader>
  </div>
</template>
 
<script>
  import { regionData } from 'element-china-area-data'
  export default {
    data () {
      return {
        options: regionData,
        selectedOptions: []
      }
    },
 
    methods: {
      handleChange (value) {
        console.log(value)
      }
    }
  }
</script>

<template>
  <div id="app">
    <el-cascader
      size="large"
      :options="options"
      v-model="selectedOptions"
      @change="handleChange">
    </el-cascader>
  </div>
</template>
 
<script>
  import { regionDataPlus } from 'element-china-area-data'
  export default {
    data () {
      return {
        options: regionDataPlus,
        selectedOptions: []
      }
    },
 
    methods: {
      handleChange (value) {
        console.log(value)
      }
    }
  }
</script>