element UI 父组件验证子组件form表单_element 父子组件 表单校验

父组件

<radio-item ref="child" />
<el-button type="primary" @click="handleClick">确定</el-button>

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	handleClick() {
      let flag = this.$refs['child'].validateForm();
      console.log(11111111111, flag);
    },
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子组件

<el-form ref="formline" :model="formline" :rules="rules">
      <div style="width: 450px;">
        <div v-for="(item, index) in formline.lists" :key="index">
          <el-form-item
            :label="'选项'+ letter(index)"
            :rules="[{required: true, message: '请输入', trigger: 'blur'}]"
            :prop="'lists.' + index +'.name'"
          >
            <el-input v-model="item.name" clearable />

          </el-form-item>
        </div>
        <el-button type="primary">添加</el-button>
      </div>
    </el-form>
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validateForm() {
      let flag = null;
      this.$refs['formline'].validate((valid) => {
        if (valid) {
          flag = true
        } else {
          flag = false
          return false
        }
      })
      return flag
    },
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