段毕设1.0

jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/JeecgSystemApplication.java

@@ -2,6 +2,7 @@ package org.jeecg;
 
 import lombok.extern.slf4j.Slf4j;
 import org.jeecg.common.util.oConvertUtils;
+import org.mybatis.spring.annotation.MapperScan;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.builder.SpringApplicationBuilder;
@@ -18,6 +19,7 @@ import java.net.UnknownHostException;
 */
 @Slf4j
 @SpringBootApplication
+//@MapperScan("org.jeecg.cool.music.mapper")
 //@EnableAutoConfiguration(exclude={MongoAutoConfiguration.class})
 public class JeecgSystemApplication extends SpringBootServletInitializer {
 
@@ -41,4 +43,4 @@ public class JeecgSystemApplication extends SpringBootServletInitializer {
 
     }
 
-}
+}

jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/modules/cool/music/controller/DashboardController.java

@@ -0,0 +1,29 @@
+package org.jeecg.modules.cool.music.controller;
+
+import io.swagger.annotations.Api;
+import lombok.extern.slf4j.Slf4j;
+import net.sf.json.JSONArray;
+import org.jeecg.common.api.vo.Result;
+import org.jeecg.modules.cool.music.service.MusicService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@Api(tags = "流行音乐分析平台")
+@RestController
+@RequestMapping("/cool/music")
+@Slf4j
+public class DashboardController {
+    @Autowired
+    MusicService musicService;
+
+    @GetMapping("/getRanking")
+    public Result<JSONArray> getRanking() throws InterruptedException {
+
+        Thread.sleep(2000);
+
+        return musicService.getRanking();
+    }
+
+}

jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/modules/cool/music/entity/Ranking.java

@@ -0,0 +1,29 @@
+package org.jeecg.modules.cool.music.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+
+@Data
+@TableName("comment_list")
+@Accessors(chain = true)
+@EqualsAndHashCode(callSuper = false)
+@ApiModel(value="音乐评论排行榜对象", description="流行音乐分析")
+public class Ranking {
+    private static final long serialVersionUID = 1L;
+    /**主键*/
+    @TableId(type = IdType.ASSIGN_ID)
+    @ApiModelProperty(value = "主键")
+    private String name;
+
+    @ApiModelProperty(value = "歌手")
+    private String singer;
+
+    @ApiModelProperty(value = "评论数")
+    private Integer comment;
+}

jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/modules/cool/music/mapper/MusicMapper.java

@@ -0,0 +1,10 @@
+package org.jeecg.modules.cool.music.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Param;
+import org.jeecg.modules.cool.music.entity.Ranking;
+
+
+public interface MusicMapper extends BaseMapper<Ranking> {
+
+}

jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/modules/cool/music/mapper/xml/MusicXml.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="org.jeecg.modules.cool.music.mapper.MusicMapper">
+
+</mapper>

jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/modules/cool/music/service/MusicService.java

@@ -0,0 +1,11 @@
+package org.jeecg.modules.cool.music.service;
+
+import net.sf.json.JSONArray;
+import org.jeecg.common.api.vo.Result;
+
+
+
+public interface MusicService {
+
+    public Result<JSONArray> getRanking();
+}

jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/modules/cool/music/service/impl/MusicServiceImpl.java

@@ -0,0 +1,56 @@
+package org.jeecg.modules.cool.music.service.impl;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import net.sf.json.JSONArray;
+import net.sf.json.JSONObject;
+import org.apache.commons.math3.genetics.RandomKey;
+import org.apache.poi.ss.formula.functions.Rank;
+import org.jeecg.common.api.vo.Result;
+import org.jeecg.modules.cool.music.entity.Ranking;
+import org.jeecg.modules.cool.music.mapper.MusicMapper;
+import org.jeecg.modules.cool.music.service.MusicService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.*;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+@Service
+public class MusicServiceImpl extends ServiceImpl<MusicMapper, Ranking> implements MusicService {
+
+    @Autowired
+    private MusicMapper musicMapper;
+
+    @Override
+    public Result<JSONArray> getRanking() {
+        ComparatorList comparatorList = new ComparatorList();
+        List<Ranking> rankings = musicMapper.selectList(null);
+        JSONArray result = new JSONArray();
+        System.out.println(rankings);
+        Collections.sort(rankings, comparatorList);
+        for (Ranking ranking : rankings) {
+            System.out.println("\n\n\n\n\n" + ranking);
+            JSONObject object = new JSONObject();
+            object.put("comment", ranking.getComment());
+            object.put("singer", ranking.getSinger());
+            object.put("songName", ranking.getName());
+            result.add(object);
+        }
+        UpdateWrapper<Ranking> updateWrapper = new UpdateWrapper<>();
+        updateWrapper.setSql("comment=comment- FLOOR(   RAND()*100  )");
+        musicMapper.update(null,updateWrapper);
+
+        return Result.OK(result);
+    }
+}
+
+class ComparatorList implements Comparator<Ranking> {
+
+    @Override
+    public int compare(Ranking o1, Ranking o2) {
+        return o1.getComment() > o2.getComment() ? 1 : -1;
+    }
+}

jeecg-module-system/jeecg-system-start/src/main/resources/application-dev.yml

@@ -160,7 +160,7 @@ spring:
         master:
           url: jdbc:mysql://127.0.0.1:3306/jeecg-boot2?characterEncoding=UTF-8&useUnicode=true&useSSL=false&tinyInt1isBit=false&allowPublicKeyRetrieval=true&serverTimezone=Asia/Shanghai
           username: root
-          password: 123456
+          password: ob666666
           driver-class-name: com.mysql.cj.jdbc.Driver
           # 多数据源配置
           #multi-datasource1:
@@ -239,7 +239,7 @@ jeecg:
   #大屏报表参数设置
   jmreport:
     #多租户模式，默认值为空(created:按照创建人隔离、tenant:按照租户隔离) (v1.6.2+ 新增)
-    saasMode: 
+    saasMode:
     # 平台上线安全配置(v1.6.2+ 新增)
     firewall:
       # 数据源安全 (开启后，不允许使用平台数据源、SQL解析加签并且不允许查询数据库)