轉載請標明出處：http://blog.csdn.net/zhaoyanjun6/article/details/80696898
本文出自【趙彥軍的博客】

Mybatis-PageHelper 簡介

PageHelper 最方便使用的分頁插件，支持多種數據庫：

Oracle Mysql MariaDB SQLite Hsqldb PostgreSQL DB2 SqlServer(2005,2008) Informix H2 SqlServer2012 Derby Phoenix

GitHub： https://github.com/pagehelper/Mybatis-PageHelper

依賴添加

buildscript {ext {springBootVersion = '2.0.2.RELEASE'}repositories {mavenCentral()}dependencies {classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")} }apply plugin: 'java' apply plugin: 'eclipse' apply plugin: 'org.springframework.boot' apply plugin: 'io.spring.dependency-management'group = 'com.yanjun' version = '0.0.1-SNAPSHOT' sourceCompatibility = 1.8repositories {mavenCentral() }dependencies {compile('org.springframework.boot:spring-boot-starter','org.springframework.boot:spring-boot-starter-web',)testCompile('org.springframework.boot:spring-boot-starter-test')runtime('mysql:mysql-connector-java') //mysql驅動compile 'org.mybatis.spring.boot:mybatis-spring-boot-starter:1.3.0'compile 'com.github.pagehelper:pagehelper-spring-boot-starter:1.2.3' //pagehelper }

配置文件 application.yml

spring:datasource:url: jdbc:mysql://127.0.0.1:3306/mybatisusername: rootpassword: 123456driver-class-name: com.mysql.jdbc.Driversql-script-encoding: UTF-8pagehelper:helperDialect: mysqlreasonable: truesupportMethodsArguments: trueparams: count=countSqlserver:port: 8023

實戰演練

創建實體類 User

public class User {Integer id;String name;Integer age;public Integer getId() {return id;}public void setId(Integer id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}public Integer getAge() {return age;}public void setAge(Integer age) {this.age = age;} }

創建 Mapper 類 UserMapper

public interface UserMapper {@Select("select * from user")List<User> findAll(); }

創建 service 類 UserService

@Service public class UserService {@AutowiredUserMapper userMapper;public PageInfo findAll(int pageNum, int pageSize) {PageHelper.startPage(pageNum, pageSize);List<User> userList = userMapper.findAll();PageInfo<User> pageInfo = new PageInfo<>(userList);return pageInfo;} }

創建 controller 類 UserController

@RestController public class UserController {@AutowiredUserService userService;@GetMapping("findAll")public PageInfo getUser(int pageNum, int pageSize) {return userService.findAll(pageNum,pageSize);} }

添加掃包注解

@SpringBootApplication @MapperScan("com.yanjun.mybatis.mapper")public class MybatisApplication {public static void main(String[] args) {SpringApplication.run(MybatisApplication.class, args);} }

效果測試

總結

本文所有代碼已經上傳至 GitHub ，分支 PageHelper

地址： https://github.com/zyj1609wz/SpringBootMybatis

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