实现一些接口

.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/compiler.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <annotationProcessing>
+      <profile name="Maven default annotation processors profile" enabled="true">
+        <sourceOutputDir name="target/generated-sources/annotations" />
+        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
+        <outputRelativeToContentRoot value="true" />
+        <module name="lottery-service" />
+        <module name="lottery-common" />
+        <module name="lottery-pojo" />
+      </profile>
+    </annotationProcessing>
+  </component>
+  <component name="JavacSettings">
+    <option name="ADDITIONAL_OPTIONS_OVERRIDE">
+      <module name="lottery-common" options="-parameters" />
+      <module name="lottery-pojo" options="-parameters" />
+      <module name="lottery-service" options="-parameters" />
+    </option>
+  </component>
+</project>

.idea/encodings.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="file://$PROJECT_DIR$/lottery-system/lottery-common/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/lottery-system/lottery-pojo/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/lottery-system/lottery-service/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/lottery-system/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/lottery-system/src/main/resources" charset="UTF-8" />
+  </component>
+</project>

.idea/jarRepositories.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Central Repository" />
+      <option name="url" value="https://maven.aliyun.com/repository/public" />
+    </remote-repository>
+  </component>
+</project>

.idea/lottery.iml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/misc.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/lottery-system/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="11" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/lottery.iml" filepath="$PROJECT_DIR$/.idea/lottery.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>

lottery-system/lottery-pojo/src/main/java/com/lottery/vo/PageInfo.java

@@ -0,0 +1,37 @@
+package com.lottery.vo;
+
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * @program: lottery
+ * @ClassName PageInfo
+ * @description:
+ * @author: wwl
+ * @create: 2025-07-15 10:20
+ * @Version 1.0
+ **/
+@Data
+public class PageInfo<T> implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    private List<T> list;        // 当前页数据
+    private long total;          // 总记录数
+    private int pageNum;         // 当前页码
+    private int pageSize;        // 每页数量
+    private int pages;           // 总页数
+
+    // 可以从Page对象构造
+    public static <T> PageInfo<T> of(Page<?> page, List<T> list) {
+        PageInfo<T> pageInfo = new PageInfo<>();
+        pageInfo.setList(list);
+        pageInfo.setTotal(page.getTotal());
+        pageInfo.setPageNum((int) page.getCurrent());
+        pageInfo.setPageSize((int) page.getSize());
+        pageInfo.setPages((int) page.getPages());
+        return pageInfo;
+    }
+}

lottery-system/lottery-pojo/src/main/java/com/lottery/vo/PrizeVo.java

@@ -2,6 +2,9 @@ package com.lottery.vo;
 
 import lombok.Data;
 
+import java.security.PrivateKey;
+import java.util.Date;
+
 /**
  * @program: lottery-system
  * @ClassName PrizeVo
@@ -13,10 +16,18 @@ import lombok.Data;
 @Data
 public class PrizeVo {
 
-    private String name;
+    private Long prizeId;
+
+    private String PrizeName;
 
     private String imageUrl;
 
+    private String gradeName;
+
+    private Date createTime;
+
+    private Date updateTime;
+
 //    private int amount;
 //
 //    private int grade;

lottery-system/lottery-service/src/main/java/com/lottery/admin/controller/AdminGradeController.java

@@ -8,6 +8,7 @@ import com.lottery.exception.SomeException;
 import com.lottery.result.Result;
 import com.lottery.utils.ConvertBeanUtil;
 import com.lottery.vo.GradeVo;
+import com.lottery.vo.PageInfo;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -39,9 +40,12 @@ public class AdminGradeController {
 
 
     @GetMapping("/list")
-    public Result<List<GradeVo>> selectGrade(){
-        LOGGER.info("查询所有等级");
-        return Result.success(ConvertBeanUtil.convertList(adminGradeService.list(), GradeVo.class));
+    public Result<PageInfo<GradeVo>> selectGrade( @RequestParam(defaultValue = "1") Integer pageNum,
+                                                  @RequestParam(defaultValue = "10") Integer pageSize){
+        LOGGER.info("列分页查询等级表, 页码: {}, 每页大小: {}", pageNum, pageSize);
+
+        PageInfo<GradeVo> pageSelectGrade = adminGradeService.pageSelectGrade(pageNum, pageSize);
+        return Result.success(pageSelectGrade);
     }
 
     @GetMapping("/details")

lottery-system/lottery-service/src/main/java/com/lottery/admin/controller/AdminPrizeController.java

@@ -0,0 +1,39 @@
+package com.lottery.admin.controller;
+
+import com.lottery.admin.service.AdminPrizeService;
+import com.lottery.result.Result;
+import com.lottery.vo.PageInfo;
+import com.lottery.vo.PrizeVo;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+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.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @program: lottery
+ * @ClassName AdminPrizeController
+ * @description:
+ * @author: wwl
+ * @create: 2025-07-15 10:06
+ * @Version 1.0
+ **/
+@RestController
+@RequestMapping("/admin/prize")
+public class AdminPrizeController {
+
+    @Autowired
+    private AdminPrizeService adminPrizeService;
+
+    private final static Logger LOGGER = LoggerFactory.getLogger(AdminPrizeController.class);
+
+    @GetMapping("list")
+    public Result<PageInfo<PrizeVo>> listPrize(@RequestParam(defaultValue = "1") int pageNum, @RequestParam(defaultValue = "10") int pageSize) {
+        LOGGER.info("列分页查询l礼品表, 页码: {}, 每页大小: {}", pageNum, pageSize);
+
+        PageInfo<PrizeVo> pageInfo = adminPrizeService.pageListPrize(pageNum, pageSize);
+        return Result.success(pageInfo);
+    }
+}

lottery-system/lottery-service/src/main/java/com/lottery/admin/service/AdminGradeService.java

@@ -1,10 +1,18 @@
 package com.lottery.admin.service;
 
+import com.baomidou.mybatisplus.core.conditions.Wrapper;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.lottery.dto.GradeDto;
 import com.lottery.entity.Grade;
+import com.lottery.vo.GradeVo;
+import com.lottery.vo.PageInfo;
 import org.springframework.stereotype.Service;
 
+import javax.persistence.criteria.CriteriaBuilder;
+
 /**
  * @program: lottery-system
  * @ClassName IGradeService
@@ -16,6 +24,8 @@ import org.springframework.stereotype.Service;
 
 
 public interface AdminGradeService extends IService<Grade> {
+    PageInfo<GradeVo> pageSelectGrade(Integer pageNum, Integer pageSize);
+
 
 //    boolean updateGrade(GradeDto gradeDto);
 }

lottery-system/lottery-service/src/main/java/com/lottery/admin/service/AdminPrizeService.java

@@ -0,0 +1,18 @@
+package com.lottery.admin.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.lottery.entity.Prize;
+import com.lottery.vo.PageInfo;
+import com.lottery.vo.PrizeVo;
+
+/**
+ * @program: lottery
+ * @ClassName AdminPrizeService
+ * @description:
+ * @author: wwl
+ * @create: 2025-07-15 10:07
+ * @Version 1.0
+ **/
+public interface AdminPrizeService extends IService<Prize> {
+    PageInfo<PrizeVo> pageListPrize(int pageNum, int pageSize);
+}

lottery-system/lottery-service/src/main/java/com/lottery/admin/service/Impl/AdminGradeServiceImpl.java

@@ -1,6 +1,9 @@
 package com.lottery.admin.service.Impl;
 
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.lottery.LotteryApplication;
 import com.lottery.admin.mapper.AdminGradeMapper;
 import com.lottery.admin.service.AdminGradeService;
 import com.lottery.dto.GradeDto;
@@ -8,10 +11,14 @@ import com.lottery.entity.Grade;
 import com.lottery.exception.SomeException;
 import com.lottery.result.Result;
 import com.lottery.utils.ConvertBeanUtil;
+import com.lottery.vo.GradeVo;
+import com.lottery.vo.PageInfo;
 import org.springframework.beans.factory.annotation.Autowired;
+
 import org.springframework.stereotype.Service;
 
 import java.util.Date;
+import java.util.List;
 
 /**
  * @program: lottery-system
@@ -25,6 +32,25 @@ import java.util.Date;
 @Service
 public class AdminGradeServiceImpl extends ServiceImpl<AdminGradeMapper, Grade> implements AdminGradeService {
 
+    /**
+     * |分页查询
+     * @param pageNum
+     * @param pageSize
+     * @return
+     */
+    @Override
+    public PageInfo<GradeVo> pageSelectGrade(Integer pageNum, Integer pageSize) {
+
+        Page<Grade> page = new Page<>(pageNum, pageSize);
+
+        LambdaQueryWrapper<Grade> gradeLambdaQueryWrapper = new LambdaQueryWrapper<>();
+        gradeLambdaQueryWrapper.orderByDesc(Grade::getSort);
+        Page<Grade> gradePage = this.page(page, gradeLambdaQueryWrapper);
+
+        List<GradeVo> gradeVos = ConvertBeanUtil.convertList(gradePage.getRecords(), GradeVo.class);
+        return PageInfo.of(gradePage, gradeVos);
+    }
+
 //    @Autowired
 //    private AdminGradeMapper adminGradeMapper;
 

lottery-system/lottery-service/src/main/java/com/lottery/admin/service/Impl/AdminPrizeServiceImpl.java

@@ -0,0 +1,50 @@
+package com.lottery.admin.service.Impl;
+
+import ch.qos.logback.classic.spi.EventArgUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.lottery.admin.service.AdminPrizeService;
+import com.lottery.api.mapper.IGradeMapper;
+import com.lottery.api.mapper.IPrizeMapper;
+import com.lottery.entity.Prize;
+import com.lottery.utils.ConvertBeanUtil;
+import com.lottery.vo.PageInfo;
+import com.lottery.vo.PrizeVo;
+import net.bytebuddy.implementation.auxiliary.AuxiliaryType;
+import org.hibernate.engine.jdbc.connections.internal.ConnectionValidator;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.lang.module.Configuration;
+import java.util.List;
+
+/**
+ * @program: lottery
+ * @ClassName AdminPrizeServiceImpl
+ * @description:
+ * @author: wwl
+ * @create: 2025-07-15 10:07
+ * @Version 1.0
+ **/
+@Service
+public class AdminPrizeServiceImpl extends ServiceImpl<IPrizeMapper, Prize> implements AdminPrizeService {
+
+    @Autowired
+    private IGradeMapper gradeMapper;
+
+    @Autowired
+    private IPrizeMapper prizeMapper;
+
+    @Override
+    public PageInfo<PrizeVo> pageListPrize(int pageNum, int pageSize) {
+        Page<Prize> page = new Page<>(pageNum, pageSize);
+
+        //关联grade查询sort，prize表也按照g.sort排序
+        LambdaQueryWrapper<Prize> prizeLambdaQueryWrapper = new LambdaQueryWrapper<>();
+        Page<Prize> pagePrize = prizeMapper.pageListPrize(page, prizeLambdaQueryWrapper);
+
+        List<PrizeVo> prizeVos = ConvertBeanUtil.convertList(pagePrize.getRecords(), PrizeVo.class);
+        return PageInfo.of(pagePrize, prizeVos);
+    }
+}

lottery-system/lottery-service/src/main/java/com/lottery/api/mapper/IPrizeMapper.java

@@ -1,6 +1,8 @@
 package com.lottery.api.mapper;
 
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.lottery.entity.Prize;
 import com.lottery.vo.PrizeAndGradeVo;
 import org.apache.ibatis.annotations.Insert;
@@ -21,4 +23,6 @@ import java.util.List;
 public interface IPrizeMapper extends BaseMapper<Prize> {
 
     List<PrizeAndGradeVo> selectPrizeAndGrade();
+
+    Page<Prize> pageListPrize(Page<Prize> page, LambdaQueryWrapper<Prize> prizeLambdaQueryWrapper);
 }

lottery-system/lottery-service/src/main/java/com/lottery/config/MybatisPageConfig.java

@@ -0,0 +1,39 @@
+package com.lottery.config;
+
+import com.baomidou.mybatisplus.annotation.DbType;
+import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
+import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import java.util.Collections;
+
+/**
+ * @Author idea
+ * @Date: Created in 18:56 2023/7/23
+ * @Description
+ */
+@Configuration
+public class MybatisPageConfig {
+
+    /**
+     * 分页插件 3.5.X
+     */
+    @Bean
+    public PaginationInnerInterceptor paginationInnerInterceptor() {
+        PaginationInnerInterceptor paginationInterceptor = new PaginationInnerInterceptor();
+        // 设置最大单页限制数量，默认 500 条，-1 不受限制
+        paginationInterceptor.setMaxLimit(1000L);
+        paginationInterceptor.setDbType(DbType.MYSQL);
+        // 开启 count 的 join 优化,只针对部分 left join
+        paginationInterceptor.setOptimizeJoin(true);
+        return paginationInterceptor;
+    }
+
+    @Bean
+    public MybatisPlusInterceptor mybatisPlusInterceptor(){
+        MybatisPlusInterceptor mybatisPlusInterceptor = new MybatisPlusInterceptor();
+        mybatisPlusInterceptor.setInterceptors(Collections.singletonList(paginationInnerInterceptor()));
+        return mybatisPlusInterceptor;
+    }
+}

lottery-system/lottery-service/src/main/resources/application.yml

@@ -6,7 +6,7 @@ spring:
   datasource:
     url: jdbc:mysql://localhost:3306/lottery_system?useSSL=false&allowPublicKeyRetrieval=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai
     username: root
-    password: root
+    password: 123456
     driver-class-name: com.mysql.cj.jdbc.Driver
     hikari:
       pool-name: LotteryHikariCP

lottery-system/lottery-service/src/main/resources/mapper/api/prizeMapper.xml

@@ -8,4 +8,11 @@
         left join grade g on p.grade_id = g.id
         order by g.sort desc
     </select>
+
+    <select id="pageListPrize" resultType="com.lottery.entity.Prize">
+        select p.prize_name, p.image_url, g.grade_name
+        from prize p
+        left join grade g on p.grade_id = g.id
+        order by g.sort desc
+    </select>
 </mapper>

lottery-system/pom.xml

@@ -103,10 +103,7 @@
             <version>0.11.5</version>
             <scope>runtime</scope>
         </dependency>
-        <dependency>
-            <groupId></groupId>
-            <artifactId></artifactId>
-        </dependency>
+
     </dependencies>
 
 </project>