第一次上传

src/components/SearchColumn/index.vue

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+<template>
+  <div>
+    <el-popover
+      class="group-item"
+      placement="left"
+      width="400"
+      trigger="click"
+      title="显示列"
+    >
+      <el-divider style="margin: 5px 0" />
+      <el-row>
+        <el-col v-for="(item, index) in tableColumns" :key="index" :span="12">
+          <el-checkbox v-model="item.show">{{ item.label }}</el-checkbox>
+        </el-col>
+      </el-row>
+      <el-button slot="reference" :span="3" :size="$store.getters.size"><svg-icon icon-class="iconlayui-myicon-guanli" /> 自定义列</el-button>
+    </el-popover>
+  </div>
+</template>
+<script>
+export default {
+  props: {
+    tableColumns: {
+      type: Array,
+      default: null
+    }
+  }
+}
+</script>