feat : 用例的分页查询，模糊查询

document/src/main/java/com/haihang/controller/CaseController.java

@@ -2,11 +2,15 @@ package com.haihang.controller;
 
 
 import com.haihang.entity.Case;
+import com.haihang.entity.CasePageQueryDTO;
+import com.haihang.entity.PageResult;
 import com.haihang.service.CaseService;
 import com.haihang.utils.Result;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
+@Slf4j
 @RestController
 @RequestMapping("/case")
 public class CaseController {
@@ -41,4 +45,11 @@ public class CaseController {
 
     }
 
+    @GetMapping("/page")
+    public Result page(CasePageQueryDTO casePageQueryDTO){
+        log.info("用例分页查询：{}",casePageQueryDTO);
+        PageResult pageResult = caseService.pageQuery(casePageQueryDTO);
+        return Result.ok(pageResult);
+    }
+
 }

document/src/main/java/com/haihang/entity/CasePageQueryDTO.java

@@ -0,0 +1,14 @@
+package com.haihang.entity;
+
+
+import lombok.Data;
+
+import java.io.Serializable;
+
+//用例分页查询DTO
+@Data
+public class CasePageQueryDTO implements Serializable {
+    private String   caseName;
+    private int page;//当前页码
+    private int pageSize;//每页有多大？
+}

document/src/main/java/com/haihang/entity/PageResult.java

@@ -0,0 +1,21 @@
+package com.haihang.entity;
+
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+//分页结果
+@Data
+@NoArgsConstructor
+public class PageResult {
+    private int total;
+    private List records;
+
+    public PageResult(int total, List records) {
+        this.total = total;
+        this.records = records;
+    }
+}

document/src/main/java/com/haihang/mapper/CaseMapper.java

@@ -1,6 +1,8 @@
 package com.haihang.mapper;
 
+import com.github.pagehelper.Page;
 import com.haihang.entity.Case;
+import com.haihang.entity.CasePageQueryDTO;
 import org.apache.ibatis.annotations.*;
 
 import java.util.List;
@@ -30,4 +32,6 @@ public interface CaseMapper {
 
     @Update("update case_table set is_leaf = #{i} where id =#{parentId}")
     void updateIsLeaf(int i, int parentId);
+
+    Page<Case> pageQuery(CasePageQueryDTO casePageQueryDTO);
 }

document/src/main/java/com/haihang/service/CaseService.java

@@ -1,6 +1,8 @@
 package com.haihang.service;
 
 import com.haihang.entity.Case;
+import com.haihang.entity.CasePageQueryDTO;
+import com.haihang.entity.PageResult;
 import com.haihang.utils.Result;
 
 public interface CaseService {
@@ -13,4 +15,6 @@ public interface CaseService {
     Result update(Case aCase);
 
     Result getById(int id);
+
+    PageResult pageQuery(CasePageQueryDTO casePageQueryDTO);
 }

document/src/main/java/com/haihang/service/impl/CaseServiceImpl.java

@@ -1,6 +1,10 @@
 package com.haihang.service.impl;
 
+import com.github.pagehelper.Page;
+import com.github.pagehelper.PageHelper;
 import com.haihang.entity.Case;
+import com.haihang.entity.CasePageQueryDTO;
+import com.haihang.entity.PageResult;
 import com.haihang.mapper.CaseMapper;
 import com.haihang.service.CaseService;
 import com.haihang.utils.Result;
@@ -94,5 +98,16 @@ public class CaseServiceImpl implements CaseService {
         return Result.ok(aCase);
     }
 
+    @Override
+    public PageResult pageQuery(CasePageQueryDTO casePageQueryDTO) {
+        //开始分页查询
+        PageHelper.startPage(casePageQueryDTO.getPage(),casePageQueryDTO.getPageSize());
+        Page<Case> page = caseMapper.pageQuery(casePageQueryDTO);
+        long total = page.getTotal();
+        List<Case> list = page.getResult();
+
+        return new PageResult((int) total,list);
+    }
+
 
 }

document/src/main/java/com/haihang/utils/LoginInterceptor.java

@@ -4,9 +4,9 @@ package com.haihang.utils;
 
 
 import cn.hutool.core.bean.BeanUtil;
-import com.baomidou.mybatisplus.core.toolkit.StringUtils;
 import com.haihang.entity.UserInfo;
 import org.springframework.data.redis.core.StringRedisTemplate;
+import org.springframework.util.StringUtils;
 import org.springframework.web.servlet.HandlerInterceptor;
 
 import javax.annotation.Resource;

document/src/main/resources/application.yaml

@@ -1,6 +1,10 @@
 server:
   port: 8081
 spring:
+
+  main:
+    allow-circular-references: true
+
   application:
     name: hmdp
   datasource:
@@ -20,8 +24,16 @@ spring:
         time-between-eviction-runs: 10s
   jackson:
     default-property-inclusion: non_null # JSON处理时忽略非空字段
-mybatis-plus:
-  type-aliases-package: com.hmdp.entity # 别名扫描包
 logging:
   level:
-    com.haihang: debug
+    com.haihang: debug
+mybatis:
+
+  #标注待解析的mapper的xml文件位置
+  mapper-locations: classpath:mapper/*.xml
+  #标注实体类位置
+  type-aliases-package: com.haihang.entity
+  configuration:
+    #开启驼峰命名
+    map-underscore-to-camel-case: true
+

document/src/main/resources/mapper/CaseMapper.xml

@@ -0,0 +1,17 @@
+<?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="com.haihang.mapper.CaseMapper">
+
+    <select id="pageQuery" resultType="com.haihang.entity.Case">
+        select * from case_table
+        <where>
+            <if test="caseName!= '' and caseName != null">
+                and case_name like concat('%',#{caseName},'%')
+            </if>
+        </where>
+
+    </select>
+
+
+
+</mapper>

pom.xml

@@ -21,6 +21,12 @@
     </properties>
 
     <dependencies>
+        <dependency>
+            <groupId>com.github.pagehelper</groupId>
+            <artifactId>pagehelper-spring-boot-starter</artifactId>
+            <version>1.2.12</version>
+        </dependency>
+
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-redis</artifactId>
@@ -40,6 +46,12 @@
             <version>8.0.19</version>
         </dependency>
 
+        <dependency>
+            <groupId>org.mybatis.spring.boot</groupId>
+            <artifactId>mybatis-spring-boot-starter</artifactId>
+            <version>2.2.0</version>
+        </dependency>
+
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
@@ -50,11 +62,6 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>com.baomidou</groupId>
-            <artifactId>mybatis-plus-boot-starter</artifactId>
-            <version>3.5.2</version>
-        </dependency>
         <!--hutool-->
         <dependency>
             <groupId>cn.hutool</groupId>