update 优化 分页对象 PageQuery 支持多排序 适配 文件管理 页面支持多排序

ruoyi-common/ruoyi-common-mybatis/src/main/java/com/ruoyi/common/mybatis/core/page/PageQuery.java

@@ -1,13 +1,17 @@
 package com.ruoyi.common.mybatis.core.page;
 
+import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.util.ObjectUtil;
 import com.baomidou.mybatisplus.core.metadata.OrderItem;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.ruoyi.common.core.exception.ServiceException;
 import com.ruoyi.common.core.utils.StringUtils;
 import com.ruoyi.common.core.utils.sql.SqlUtil;
 import lombok.Data;
 
 import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
 
 /**
  * 分页查询实体类
@@ -57,30 +61,52 @@ public class PageQuery implements Serializable {
             pageNum = DEFAULT_PAGE_NUM;
         }
         Page<T> page = new Page<>(pageNum, pageSize);
-        OrderItem orderItem = buildOrderItem();
+        List<OrderItem> orderItems = buildOrderItem();
-        if (ObjectUtil.isNotNull(orderItem)) {
+        if (CollUtil.isNotEmpty(orderItems)) {
-            page.addOrder(orderItem);
+            page.addOrder(orderItems);
         }
         return page;
     }
 
-    private OrderItem buildOrderItem() {
+    /**
+     * 构建排序
+     *
+     * 支持的用法如下:
+     * {isAsc:"asc",orderByColumn:"id"} order by id asc
+     * {isAsc:"asc",orderByColumn:"id,createTime"} order by id asc,create_time asc
+     * {isAsc:"desc",orderByColumn:"id,createTime"} order by id desc,create_time desc
+     * {isAsc:"asc,desc",orderByColumn:"id,createTime"} order by id asc,create_time desc
+     */
+    private List<OrderItem> buildOrderItem() {
+        if (StringUtils.isBlank(orderByColumn) || StringUtils.isBlank(isAsc)) {
+            return null;
+        }
+        String orderBy = SqlUtil.escapeOrderBySql(orderByColumn);
+        orderBy = StringUtils.toUnderScoreCase(orderBy);
+
         // 兼容前端排序类型
-        if ("ascending".equals(isAsc)) {
+        isAsc = StringUtils.replaceEach(isAsc, new String[]{"ascending", "descending"}, new String[]{"asc", "desc"});
-            isAsc = "asc";
+
-        } else if ("descending".equals(isAsc)) {
+        String[] orderByArr = orderBy.split(",");
-            isAsc = "desc";
+        String[] isAscArr = isAsc.split(",");
+        if (isAscArr.length != 1 && isAscArr.length != orderByArr.length) {
+            throw new ServiceException("排序参数有误");
         }
-        if (StringUtils.isNotBlank(orderByColumn)) {
+
-            String orderBy = SqlUtil.escapeOrderBySql(orderByColumn);
+        List<OrderItem> list = new ArrayList<>();
-            orderBy = StringUtils.toUnderScoreCase(orderBy);
+        // 每个字段各自排序
-            if ("asc".equals(isAsc)) {
+        for (int i = 0; i < orderByArr.length; i++) {
-                return OrderItem.asc(orderBy);
+            String orderByStr = orderByArr[i];
-            } else if ("desc".equals(isAsc)) {
+            String isAscStr = isAscArr.length == 1 ? isAscArr[0] : isAscArr[i];
-                return OrderItem.desc(orderBy);
+            if ("asc".equals(isAscStr)) {
+                list.add(OrderItem.asc(orderByStr));
+            } else if ("desc".equals(isAscStr)) {
+                list.add(OrderItem.desc(orderByStr));
+            } else {
+                throw new ServiceException("排序参数有误");
             }
         }
-        return null;
+        return list;
     }
 
 }

ruoyi-ui/src/views/system/oss/index.vue

@@ -118,7 +118,10 @@
       <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
     </el-row>
 
-    <el-table v-loading="loading" :data="ossList" @selection-change="handleSelectionChange">
+    <el-table v-loading="loading" :data="ossList" @selection-change="handleSelectionChange"
+              :header-cell-class-name="handleHeaderClass"
+              @header-click="handleHeaderCLick"
+              v-if="showTable">
       <el-table-column type="selection" width="55" align="center" />
       <el-table-column label="对象存储主键" align="center" prop="ossId" v-if="false"/>
       <el-table-column label="文件名" align="center" prop="fileName" />
@@ -135,13 +138,15 @@
                 v-if="!checkFileSuffix(scope.row.fileSuffix) || !previewListResource"/>
         </template>
       </el-table-column>
-      <el-table-column label="创建时间" align="center" prop="createTime" width="180">
+      <el-table-column label="创建时间" align="center" prop="createTime" width="180"
+                       sortable="custom" >
         <template slot-scope="scope">
           <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d}') }}</span>
         </template>
       </el-table-column>
       <el-table-column label="上传人" align="center" prop="createBy" />
-      <el-table-column label="服务商" align="center" prop="service" />
+      <el-table-column label="服务商" align="center" prop="service"
+                       sortable="custom"/>
       <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
         <template slot-scope="scope">
           <el-button
@@ -193,6 +198,7 @@ export default {
   name: "Oss",
   data() {
     return {
+      showTable: true,
       // 按钮loading
       buttonLoading: false,
       // 遮罩层
@@ -221,6 +227,8 @@ export default {
       previewListResource: true,
       // 创建时间时间范围
       daterangeCreateTime: [],
+      // 默认排序
+      defaultSort: {prop: 'createTime', order: 'ascending'},
       // 查询参数
       queryParams: {
         pageNum: 1,
@@ -262,6 +270,7 @@ export default {
         this.ossList = response.rows;
         this.total = response.total;
         this.loading = false;
+        this.showTable = true;
       });
     },
     checkFileSuffix(fileSuffix) {
@@ -289,8 +298,11 @@ export default {
     },
     /** 重置按钮操作 */
     resetQuery() {
+      this.showTable = false;
       this.daterangeCreateTime = [];
       this.resetForm("queryForm");
+      this.queryParams.orderByColumn = this.defaultSort.prop;
+      this.queryParams.isAsc = this.defaultSort.order;
       this.handleQuery();
     },
     // 多选框选中数据
@@ -299,6 +311,51 @@ export default {
       this.single = selection.length!==1
       this.multiple = !selection.length
     },
+    // 设置列的排序为我们自定义的排序
+    handleHeaderClass({column}) {
+      column.order = column.multiOrder
+    },
+    // 点击表头进行排序
+    handleHeaderCLick(column) {
+      if (column.sortable !== 'custom') {
+        return
+      }
+      switch (column.multiOrder) {
+        case 'descending':
+          column.multiOrder = 'ascending';
+          break;
+        case 'ascending':
+          column.multiOrder = '';
+          break;
+        default:
+          column.multiOrder = 'descending';
+          break;
+      }
+      this.handleOrderChange(column.property, column.multiOrder)
+    },
+    handleOrderChange(prop, order) {
+      let orderByArr = this.queryParams.orderByColumn ? this.queryParams.orderByColumn.split(",") : [];
+      let isAscArr = this.queryParams.isAsc ? this.queryParams.isAsc.split(",") : [];
+      let propIndex = orderByArr.indexOf(prop)
+      if (propIndex !== -1) {
+        if (order) {
+          //排序里已存在 只修改排序
+          isAscArr[propIndex] = order;
+        } else {
+          //如果order为null 则删除排序字段和属性
+          isAscArr.splice(propIndex, 1);//删除排序
+          orderByArr.splice(propIndex, 1);//删除属性
+        }
+      } else {
+        //排序里不存在则新增排序
+        orderByArr.push(prop);
+        isAscArr.push(order);
+      }
+      //合并排序
+      this.queryParams.orderByColumn = orderByArr.join(",");
+      this.queryParams.isAsc = isAscArr.join(",");
+      this.getList();
+    },
     /** 任务日志列表查询 */
     handleOssConfig() {
       this.$router.push({ path: '/system/oss-config/index'})