<el-dialog :title="title" :visible.sync="dialogShow" :close-on-click-modal="false">
  <div class="ym-common-dialog" :class="customClass">
    <div v-for="(col,index) in cols">
      <span><em v-if="!!col.isRequire">*</em>{{col.name}}</span>
      <template v-if="col.type === 'text'">
        <div>{{submitData[col.key]}}</div>
      </template>
      <template v-if="col.type === 'input'">
        <input type="text" v-model="submitData[col.key]" :placeholder="'请输入' + col.name">
      </template>
      <template v-if="col.type === 'radio'">
        <div class="flexX">
        <el-radio v-for="radio in col.data" v-model="submitData[col.key]" :label="radio.label">{{radio.name}}</el-radio>
        </div>
      </template>
      <template v-if="col.type === 'select'">
        <el-select v-model="submitData[col.key]" placeholder="请选择">
          <el-option
          v-for="option in col.data"
          :key="option.value"
          :label="option.label"
          :value="option.value">
          </el-option>
        </el-select>
      </template>
    </div>
  </div>
  <span slot="footer" class="dialog-footer">
    <el-button @click="dialogShow = false">取 消</el-button>
    <el-button type="primary" @click="confirm">确 定</el-button>
  </span>
</el-dialog>

cols: [{
  name: '输入框',
  key: 'ccc', // 提交时对应的字段
  type: 'input', // 类型 
  isRequire: true // 是否必填
}, {
  name: '单选框',
  key: 'aaa',
  type: 'radio',
  data: [{
    label: '1',
    name: '长城'
  }, {
    label: '2',
    name: '长安'
  }],
  isRequire: true
}, {
  name: '下拉框',
  key: 'bbb',
  type: 'select',
  data: [{
    value: '选项1',
    label: '黄金糕'
  }, {
    value: '选项2',
    label: '双皮奶'
  }],
  isRequire: true
}],

data() {
  return {
    submitData: {}, // 提交数据集合
    dialogShow: false
  }
},
props: {
  // 弹窗显示/隐藏
  dialogVisible: {
    type: Number,
    default: 0
  },
  // 弹窗Title
  title: String,
  // 自定义样式
  customClass: String,
  // 数据列
  cols: {
    type: Array,
    default: () => []
  },
  // 编辑时传入初始值
  data: {
    type: Object,
    default: () => {}
  }
},

watch: {
  dialogVisible(val) {
    if (val > 0) {
      this.dialogShow = true
    }
  },
  data: {
    handler(val) {
      this.submitData = val
    },
    immediate: true
  },
  submitData: {
    // 应对 切换单选框隐藏其他元素的问题
    // 父组件监听到单选框的值变化时，修改cols的值，即可实现元素的隐藏与显示
    handler() {
      this.$emit('change', this.submitData)
    },
    deep: true
  }
}

confirm() {
  // 验证必填项
  let isMust = this.cols.filter(item => item.isRequire).map(item => item.key)
  Object.keys(this.submitData).forEach(key => {
    let index = isMust.indexOf(key)
    if ((index > -1) && this.submitData[key] !== '' && !!this.submitData[key]) {
      isMust.splice(index, 1)
    }
  })
  if (isMust.length > 0) {
    showDefaultTips('请注意必填项!', '', 3)
    return
  }
  this.$emit('complete', this.submitData)
  this.dialogShow = false
}