From 5312fddf7198a47c9e04d1b2bf8757a0c8d56cbe Mon Sep 17 00:00:00 2001 From: dww Date: Sat, 27 Dec 2025 13:36:37 +0800 Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9E=E5=88=86=E9=A1=B5=E6=9F=A5?= =?UTF-8?q?=E8=AF=A2?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../com/genepioneer/common/result/Result.java | 9 ++++-- .../controller/LiteratureController.java | 15 +++++++++- .../genepioneer/mapper/LiteratureMapper.java | 11 ++++++++ .../genepioneer/pojo/dto/LiteratureDTO.java | 1 + .../service/LiteratureService.java | 5 ++++ .../service/impl/LiteratureServiceImpl.java | 28 +++++++++++++++++++ 6 files changed, 65 insertions(+), 4 deletions(-) diff --git a/src/main/java/com/genepioneer/common/result/Result.java b/src/main/java/com/genepioneer/common/result/Result.java index 7436afc..d3c76af 100644 --- a/src/main/java/com/genepioneer/common/result/Result.java +++ b/src/main/java/com/genepioneer/common/result/Result.java @@ -1,14 +1,18 @@ package com.genepioneer.common.result; import lombok.Data; +import java.io.Serializable; // 1. 导入Serializable包 @Data -public class Result { +public class Result implements Serializable { + // 注意：添加序列化版本号 + private static final long serialVersionUID = 1L; + private Integer code; // 200成功，500失败 private String msg; private T data; - // 成功返回 + // 原有方法完全保留 public static Result success(T data) { Result result = new Result<>(); result.setCode(200); @@ -17,7 +21,6 @@ public class Result { return result; } - // 失败返回 public static Result error(String msg) { Result result = new Result<>(); result.setCode(500); diff --git a/src/main/java/com/genepioneer/controller/LiteratureController.java b/src/main/java/com/genepioneer/controller/LiteratureController.java index c5e1b41..81ed078 100644 --- a/src/main/java/com/genepioneer/controller/LiteratureController.java +++ b/src/main/java/com/genepioneer/controller/LiteratureController.java @@ -1,5 +1,6 @@ package com.genepioneer.controller; +import com.genepioneer.common.result.PageResult; import com.genepioneer.common.result.Result; import com.genepioneer.pojo.dto.LiteratureDTO; import com.genepioneer.service.LiteratureService; @@ -8,6 +9,7 @@ import io.swagger.v3.oas.annotations.tags.Tag; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.*; +@CrossOrigin @RestController @RequestMapping("/literature") @Tag(name = "文献管理", description = "文献相关接口") @@ -31,7 +33,7 @@ public class LiteratureController { } } - // 新增：删除文献接口 + // 删除文献 @DeleteMapping("/delete/{id}") // 通过路径变量接收文献ID @Operation(summary = "删除文献") public Result deleteLiterature(@PathVariable Long id) { // @PathVariable绑定路径中的id参数 @@ -43,4 +45,15 @@ public class LiteratureController { return Result.error("删除文献失败：" + e.getMessage()); } } + + //分页查询 + @GetMapping("/list/{page}/{size}") + @Operation(summary = "分页查询文献") + public Result> listLiterature( + @PathVariable int page, + @PathVariable int size + ) { + PageResult result = literatureService.pageQuery(page, size); + return Result.success(result); + } } \ No newline at end of file diff --git a/src/main/java/com/genepioneer/mapper/LiteratureMapper.java b/src/main/java/com/genepioneer/mapper/LiteratureMapper.java index c40d878..ec6d178 100644 --- a/src/main/java/com/genepioneer/mapper/LiteratureMapper.java +++ b/src/main/java/com/genepioneer/mapper/LiteratureMapper.java @@ -4,6 +4,9 @@ import com.genepioneer.pojo.entity.LiteratureInfo; import org.apache.ibatis.annotations.Delete; import org.apache.ibatis.annotations.Insert; import org.apache.ibatis.annotations.Mapper; +import org.apache.ibatis.annotations.Select; + +import java.util.List; @Mapper public interface LiteratureMapper { @@ -17,4 +20,12 @@ public interface LiteratureMapper { // 根据文献ID删除数据 @Delete("DELETE FROM literature_info WHERE id = #{id}") void deleteLiteratureById(Long id); + + // 查询总数 + @Select("SELECT COUNT(*) FROM literature_info") + int countLiterature(); + + // 分页查询 + @Select("SELECT * FROM literature_info ORDER BY id DESC LIMIT #{size} OFFSET #{offset}") + List selectLiteratureByPage(int offset, int size); } \ No newline at end of file diff --git a/src/main/java/com/genepioneer/pojo/dto/LiteratureDTO.java b/src/main/java/com/genepioneer/pojo/dto/LiteratureDTO.java index 6cba5b2..7bf8a43 100644 --- a/src/main/java/com/genepioneer/pojo/dto/LiteratureDTO.java +++ b/src/main/java/com/genepioneer/pojo/dto/LiteratureDTO.java @@ -6,6 +6,7 @@ import java.math.BigDecimal; @Data public class LiteratureDTO { // 字段名要和前端提交的参数名一致 + private Long id; private Integer year; private String articleTitle; private String journalName; diff --git a/src/main/java/com/genepioneer/service/LiteratureService.java b/src/main/java/com/genepioneer/service/LiteratureService.java index b1d6de0..490188f 100644 --- a/src/main/java/com/genepioneer/service/LiteratureService.java +++ b/src/main/java/com/genepioneer/service/LiteratureService.java @@ -1,5 +1,6 @@ package com.genepioneer.service; +import com.genepioneer.common.result.PageResult; import com.genepioneer.pojo.dto.LiteratureDTO; public interface LiteratureService { @@ -8,4 +9,8 @@ public interface LiteratureService { // 删除文献 void deleteLiterature(Long id); + + // 文献分页查询 + PageResult pageQuery(int page, int size); + } \ No newline at end of file diff --git a/src/main/java/com/genepioneer/service/impl/LiteratureServiceImpl.java b/src/main/java/com/genepioneer/service/impl/LiteratureServiceImpl.java index a03f331..cc149e7 100644 --- a/src/main/java/com/genepioneer/service/impl/LiteratureServiceImpl.java +++ b/src/main/java/com/genepioneer/service/impl/LiteratureServiceImpl.java @@ -1,5 +1,6 @@ package com.genepioneer.service.impl; +import com.genepioneer.common.result.PageResult; import com.genepioneer.pojo.dto.LiteratureDTO; import com.genepioneer.pojo.entity.LiteratureInfo; import com.genepioneer.mapper.LiteratureMapper; @@ -8,6 +9,9 @@ import org.springframework.beans.BeanUtils; // Spring工具类，用于对象属 import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; +import java.util.List; +import java.util.stream.Collectors; + @Service public class LiteratureServiceImpl implements LiteratureService { @@ -37,4 +41,28 @@ public class LiteratureServiceImpl implements LiteratureService { public void deleteLiterature(Long id) { literatureMapper.deleteLiteratureById(id); } + + /** + * 文献分页查询 + * @param page + * @param size + * @return + */ + @Override + public PageResult pageQuery(int page, int size) { + // 查询总数量 + int total = literatureMapper.countLiterature(); + // 分页查询 + int offset = (page - 1) * size; + List infoList = literatureMapper.selectLiteratureByPage(offset, size); + + // PO->DTO + List dtoList = infoList.stream().map(info -> { + LiteratureDTO dto = new LiteratureDTO(); + BeanUtils.copyProperties(info, dto); + return dto; + }).collect(Collectors.toList()); + + return new PageResult<>(total, dtoList); + } } \ No newline at end of file