feats

src/main/java/com/yunzhi/demo/common/JWTUtils.java

 @Slf4j
 public class JWTUtils {
 
-    // 过期时间 10 分钟
-    public static final long EXPIRE_TIME = 10 * 60;
+    // 过期时间 30 分钟
+    public static final long EXPIRE_TIME = 30 * 60;
 
     // 私钥
     static final SecretKey SECRET_KEY = Keys.hmacShaKeyFor(Base64.getEncoder().encode("Yansen is so handsome. He is a good man. Everyone like him !!!".getBytes()));

src/main/java/com/yunzhi/demo/controller/TaTopicController.java

 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.yunzhi.demo.common.BaseController;
 import com.yunzhi.demo.common.ResponseBean;
+import com.yunzhi.demo.vo.SortParams;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import io.swagger.annotations.ApiParam;
 
         IPage<TaTopic> pg = new Page<>(pageNum, pageSize);
         QueryWrapper<TaTopic> queryWrapper = new QueryWrapper<>();
+        queryWrapper.orderByAsc("sort_no");
         queryWrapper.orderByDesc("create_date");
 
         IPage<TaTopic> result = iTaTopicService.page(pg, queryWrapper);
     public ResponseBean topicGet(@ApiParam("对象ID") @PathVariable Integer id) throws Exception{
         return ResponseBean.success(iTaTopicService.getById(id));
     }
+
+
+    @RequestMapping(value="/admin/sort/topic",method= RequestMethod.PUT)
+    @ApiOperation(value="排序", notes = "排序", httpMethod = "PUT", response = ResponseBean.class)
+    public ResponseBean topicSort(@ApiParam("排序") @RequestBody SortParams sortParams) throws Exception {
+        if (null == sortParams.getFrom() || null == sortParams.getTo()) {
+            return ResponseBean.success("success");
+        }
+
+        iTaTopicService.reSort(sortParams);
+        return ResponseBean.success("success");
+    }
 }

src/main/java/com/yunzhi/demo/mapper/TaTopicMapper.java

 @Mapper
 public interface TaTopicMapper extends BaseMapper<TaTopic> {
 
+    int topicSortAdd(Integer max, Integer min);
+
+    int topicSortSub(Integer min, Integer max);
 }

src/main/java/com/yunzhi/demo/service/ITaTopicService.java

 
 import com.yunzhi.demo.entity.TaTopic;
 import com.baomidou.mybatisplus.extension.service.IService;
+import com.yunzhi.demo.vo.SortParams;
 
 import java.util.List;
 
 public interface ITaTopicService extends IService<TaTopic> {
 
     List<TaTopic> getIndexList();
+
+    void reSort(SortParams sortParams);
 }

src/main/java/com/yunzhi/demo/service/impl/TaTopicServiceImpl.java

 package com.yunzhi.demo.service.impl;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
 import com.yunzhi.demo.common.Constants;
 import com.yunzhi.demo.entity.TaTopic;
 import com.yunzhi.demo.mapper.TaTopicMapper;
 import com.yunzhi.demo.service.ITaTopicService;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.yunzhi.demo.vo.SortParams;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
  */
 @Service
 public class TaTopicServiceImpl extends ServiceImpl<TaTopicMapper, TaTopic> implements ITaTopicService {
+    @Autowired
+    TaTopicMapper taTopicMapper;
 
     @Override
     public List<TaTopic> getIndexList() {
                 .orderByAsc("sort_no");
         return list(queryWrapper);
     }
+
+    @Override
+    public void reSort(SortParams sortParams) {
+        if (sortParams.getFrom().equals(sortParams.getTo())) {
+            return;
+        }
+
+        if (sortParams.getFrom() > sortParams.getTo()) {
+            taTopicMapper.topicSortAdd(sortParams.getFrom(), sortParams.getTo());
+        } else {
+            taTopicMapper.topicSortSub(sortParams.getFrom(), sortParams.getTo());
+        }
+
+        UpdateWrapper<TaTopic> updateWrapper = new UpdateWrapper<TaTopic>()
+                .set("sort_no", sortParams.getTo())
+                .eq("serial_no", sortParams.getId());
+        update(updateWrapper);
+    }
 }

src/main/java/com/yunzhi/demo/vo/SortParams.java

+package com.yunzhi.demo.vo;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+@ApiModel(description = "排序参数")
+@Data
+public class SortParams {
+
+    @ApiModelProperty(value = "源排序")
+    private Integer from;
+
+    @ApiModelProperty(value = "目标排序")
+    private Integer to;
+
+    @ApiModelProperty(value = "数据ID")
+    private String id;
+}

src/main/resources/mapper/TaTopicMapper.xml

 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="com.yunzhi.demo.mapper.TaTopicMapper">
 
+    <update id="topicSortAdd">
+        UPDATE ta_topic
+            SET sort_no = sort_no + 1
+        WHERE
+            `status` > - 1
+            AND sort_no &gt;= #{min}
+            AND sort_no &lt; #{max}
+    </update>
+    <update id="topicSortSub">
+        UPDATE ta_topic
+        SET sort_no = sort_no - 1
+        WHERE
+            `status` > - 1
+          AND sort_no &gt; #{min}
+          AND sort_no &lt;= #{max}
+    </update>
 </mapper>