关于v-model动态绑定多层级的属性名，如何能够动态实现赋值属性？

最新推荐文章于 2024-08-25 23:34:32 发布

谈笑~风声

最新推荐文章于 2024-08-25 23:34:32 发布

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文章标签： vue.js elementui javascript

本文链接：https://blog.youkuaiyun.com/qq_42676363/article/details/134162952

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<template>
  <el-form ref="form" :model="form" label-width="80px">
    <el-form-item label="即时配送">
      <el-switch v-model="modelValue" />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" @click="onSubmit">立即创建</el-button>
      <el-button>取消</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
export default {
  props: {
    modelProps: {
      type: String,
      default: ''
    }
  },
  data() {
    return {
      form: {
        delivery: {
          value: false
        },
        role: {
          id: 1,
          name: '测试'
        }
      }
    }
  },
  computed: {
    modelPropsArray() {
      return this.modelProps.split('.');
    },
    modelValue: {
      get() {
        return this.modelPropsArray.reduce((obj, key) => obj[key], this.form);
      },
      set(value) {
        let obj = this.form;
        const keys = [...this.modelPropsArray];
        while (keys.length > 1) {
          const key = keys.shift();
          obj = obj[key];
        }
        obj[keys[0]] = value;
      }
    }
  },
  methods: {
    onSubmit() {
      console.log(this.form)
    }
  }
}
</script>