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vue+elementUI怎么配置表格的列显示与隐藏

发布时间:2022-04-13 13:47:49 来源:亿速云 阅读:1927 作者:iii 栏目:开发技术

这篇文章主要介绍“vue+elementUI怎么配置表格的列显示与隐藏”,在日常操作中,相信很多人在vue+elementUI怎么配置表格的列显示与隐藏问题上存在疑惑,小编查阅了各式资料,整理出简单好用的操作方法,希望对大家解答”vue+elementUI怎么配置表格的列显示与隐藏”的疑惑有所帮助!接下来,请跟着小编一起来学习吧!

描述:

表格的列过多时,可以根据需要控制列的显示与隐藏,目前是采用Vue+elementUI(适配Vue3的Element Plus)实现的,具体效果与代码如下:

效果图:

vue+elementUI怎么配置表格的列显示与隐藏

完整代码:

<template>
  <div id="app">
    <el-table :data="tableData" border  ref="table">
      <el-table-column
        fixed
        type="index"
        align="center"
        :index="1">
        <template #header>
          <el-popover
            placement="bottom"
            :width="600"
            :visible="visible"
          >
            <!-- 配置列面板 -->
            <transition name="fade">
              <div>
                <div>选择显示字段</div>
                <div>
                  <el-checkbox v-model="showColumn.date" disabled>日期</el-checkbox>
                  <el-checkbox v-model="showColumn.name">姓名</el-checkbox>
                  <el-checkbox v-model="showColumn.provinces">省份</el-checkbox>
                  <el-checkbox v-model="showColumn.city">市区</el-checkbox>
                  <el-checkbox v-model="showColumn.adreess">地址</el-checkbox>
                  <el-checkbox v-model="showColumn.zipCode">邮编</el-checkbox>
                </div>
              </div>
            </transition>
            <div >
              <el-button size="mini" type="text" @click="visible = false">取消</el-button>
              <el-button size="mini" type="primary" plain @click="saveColumn">确定</el-button>
            </div>
            <template #reference>
              <i
                class="el-icon-setting"
                
                @click="visible = true"
              ></i>
            </template>
          </el-popover>
        </template>
      </el-table-column>
      <el-table-column
        prop="date"
        label="日期"
        width="150"
        v-if="showColumn.date"
      >
      </el-table-column>
      <el-table-column
        prop="name"
        label="姓名"
        width="120"
        v-if="showColumn.name"
      >
      </el-table-column>
      <el-table-column
        prop="province"
        label="省份"
        width="120"
        v-if="showColumn.provinces"
      >
      </el-table-column>
      <el-table-column
        prop="city"
        label="市区"
        width="120"
        v-if="showColumn.city"
      >
      </el-table-column>
      <el-table-column
        prop="address"
        label="地址"
        minWidth="300"
        v-if="showColumn.adreess"
      >
      </el-table-column>
      <el-table-column
        prop="zip"
        label="邮编"
        width="120"
        v-if="showColumn.zipCode"
      >
      </el-table-column>
      <el-table-column label="操作" fixed="right" width="100" align="center">
        <template #default="scope">
          <el-button @click="handleClick(scope.row)" type="text" size="small"
            >查看</el-button
          >
          <el-button type="text" size="small">编辑</el-button>
        </template>
      </el-table-column>
    </el-table>
  </div>
</template>

<script>
export default {
  data() {
    return {
      visible: false,
      tableData: [
        {
          date: "2016-05-02",
          name: "王小虎",
          province: "上海",
          city: "普陀区",
          address: "上海市普陀区金沙江路 1518 弄",
          zip: 200333,
        },
        {
          date: "2016-05-04",
          name: "王小虎",
          province: "上海",
          city: "普陀区",
          address: "上海市普陀区金沙江路 1517 弄",
          zip: 200333,
        },
        {
          date: "2016-05-01",
          name: "王小虎",
          province: "上海",
          city: "普陀区",
          address: "上海市普陀区金沙江路 1519 弄",
          zip: 200333,
        },
        {
          date: "2016-05-03",
          name: "王小虎",
          province: "上海",
          city: "普陀区",
          address: "上海市普陀区金沙江路 1516 弄",
          zip: 200333,
        },
      ],
      // 列的配置化对象,存储配置信息
      showColumn: {
        date: true,
        name: true,
        provinces: true,
        city: true,
        adreess: true,
        zipCode: true,
      },
    };
  },
  mounted() {
    // 发请求得到showColumnInitData的列的名字
    if(localStorage.getItem("columnSet")){
      this.showColumn = JSON.parse(localStorage.getItem("columnSet"))
    }else{
      this.showColumn = {
        date: true,
        name: true,
        provinces: true,
        city: true,
        adreess: true,
        zipCode: true,
      };
    }
  },
  methods: {
    handleClick(row) {
      console.log(row);
    },
    saveColumn() {
      localStorage.setItem("columnSet",JSON.stringify(this.showColumn))
      this.visible = false;
    },
  },
};
</script>

<style lang="postcss" scoped>
/* 控制淡入淡出效果 */
.fade-enter-active,
.fade-leave-active {
  transition: opacity 0.3s;
}
.fade-enter,
.fade-leave-to {
  opacity: 0;
}
</style>

问题:

1、可以简单实现,但最好的方法是列的全部字段也通过配置实现;

2、elementUI的popover嵌套在table里使用时,会出现面板的显示bug,例如本文是采用:visible=“visible”,如果按照正常双向绑定v-model:visible=“visible”,则会出现弹窗闪现的现象,弹出后会立马关闭;

现象:

vue+elementUI怎么配置表格的列显示与隐藏

原因猜想:

v-model:visible=“visible”,会自动触发遮罩层关闭,置visible变为false(watch监听visible,点击弹出按钮时,visible变为true后会立马变为false);

3、如果某一列设置minWidth属性,如果隐藏该列,则popover会出现弹出两个窗口的异常现象,例如“地址”列:

vue+elementUI怎么配置表格的列显示与隐藏

故可采用dialog来实现:

<template>
  <div id="app">
    <el-table :data="tableData" border  ref="table">
      <el-table-column
        fixed
        type="index"
        align="center"
        :index="1">
        <template #header>
          <i
            class="el-icon-setting"
            
            @click="visible = true"
          ></i>
        </template>
      </el-table-column>
      <el-table-column
        prop="date"
        label="日期"
        width="150"
        v-if="showColumn.date"
      >
      </el-table-column>
      <el-table-column
        prop="name"
        label="姓名"
        width="120"
        v-if="showColumn.name"
      >
      </el-table-column>
      <el-table-column
        prop="province"
        label="省份"
        width="120"
        v-if="showColumn.provinces"
      >
      </el-table-column>
      <el-table-column
        prop="city"
        label="市区"
        width="120"
        v-if="showColumn.city"
      >
      </el-table-column>
      <el-table-column
        prop="address"
        label="地址"
        minWidth="300"
        v-if="showColumn.adreess"
      >
      </el-table-column>
      <el-table-column
        prop="zip"
        label="邮编"
        width="120"
        v-if="showColumn.zipCode"
      >
      </el-table-column>
      <el-table-column label="操作" fixed="right" width="100" align="center">
        <template #default="scope">
          <el-button @click="handleClick(scope.row)" type="text" size="small"
            >查看</el-button
          >
          <el-button type="text" size="small">编辑</el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-dialog title="字段配置" v-model="visible">
      <transition name="fade">
        <div>
          <div>选择显示字段</div>
          <div>
            <el-checkbox v-model="showColumn.date" disabled>日期</el-checkbox>
            <el-checkbox v-model="showColumn.name">姓名</el-checkbox>
            <el-checkbox v-model="showColumn.provinces">省份</el-checkbox>
            <el-checkbox v-model="showColumn.city">市区</el-checkbox>
            <el-checkbox v-model="showColumn.adreess">地址</el-checkbox>
            <el-checkbox v-model="showColumn.zipCode">邮编</el-checkbox>
          </div>
        </div>
      </transition>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="visible = false">取 消</el-button>
          <el-button type="primary" @click="saveColumn">确 定</el-button>
        </span>
      </template>
    </el-dialog>
  </div>
</template>

效果:

vue+elementUI怎么配置表格的列显示与隐藏

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