Spring Boot整合MyBatis通用Mapper和PageHelper

27.Spring-Boot-Mapper-PageHelper/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<groupId>com.springboot</groupId>
+	<artifactId>Spring-Boot-Mapper-PageHelper</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<packaging>jar</packaging>
+
+	<name>Spring-Boot-Mapper-PageHelper</name>
+	<description>Demo project for Spring Boot</description>
+
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>1.5.9.RELEASE</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+		<java.version>1.7</java.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+		</dependency>
+
+		<!--mybatis-->
+		<dependency>
+			<groupId>org.mybatis.spring.boot</groupId>
+			<artifactId>mybatis-spring-boot-starter</artifactId>
+			<version>1.3.1</version>
+		</dependency>
+		<!--通用mapper-->
+		<dependency>
+			<groupId>tk.mybatis</groupId>
+			<artifactId>mapper-spring-boot-starter</artifactId>
+			<version>1.1.5</version>
+		</dependency>
+		<!--pagehelper 分页插件-->
+		<dependency>
+			<groupId>com.github.pagehelper</groupId>
+			<artifactId>pagehelper-spring-boot-starter</artifactId>
+			<version>1.2.3</version>
+		</dependency>
+
+		<dependency>
+			<groupId>com.oracle</groupId>
+			<artifactId>ojdbc6</artifactId>
+			<version>6.0</version>
+		</dependency>
+		<dependency>
+		   <groupId>com.alibaba</groupId>
+		   <artifactId>druid-spring-boot-starter</artifactId>
+		   <version>1.1.6</version>
+		</dependency>
+
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+
+			<plugin>
+				<groupId>org.mybatis.generator</groupId>
+				<artifactId>mybatis-generator-maven-plugin</artifactId>
+				<version>1.3.5</version>
+				<dependencies>
+					<dependency>
+						<groupId>com.oracle</groupId>
+						<artifactId>ojdbc6</artifactId>
+						<version>6.0</version>
+					</dependency>
+					<dependency>
+						<groupId>tk.mybatis</groupId>
+						<artifactId>mapper</artifactId>
+						<version>3.4.0</version>
+					</dependency>
+				</dependencies>
+				<executions>
+					<execution>
+						<id>Generate MyBatis Artifacts</id>
+						<phase>package</phase>
+						<goals>
+							<goal>generate</goal>
+						</goals>
+					</execution>
+				</executions>
+				<configuration>
+					<!--允许移动生成的文件 -->
+					<verbose>true</verbose>
+					<!-- 是否覆盖 -->
+					<overwrite>true</overwrite>
+					<!-- 自动生成的配置 -->
+					<configurationFile>src/main/resources/mybatis-generator.xml</configurationFile>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
+
+</project>

27.Spring-Boot-Mapper-PageHelper/src/main/java/com/springboot/Application.java

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+package com.springboot;
+
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+
+@SpringBootApplication
+@MapperScan("com.springboot.mapper")
+public class Application {
+
+	public static void main(String[] args) {
+		SpringApplication.run(Application.class,args);
+	}
+}

27.Spring-Boot-Mapper-PageHelper/src/main/java/com/springboot/ApplicationTest.java

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+package com.springboot;
+
+import java.util.Date;
+import java.util.List;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
+import com.springboot.bean.User;
+import com.springboot.service.UserService;
+
+import tk.mybatis.mapper.entity.Example;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringBootTest(classes = Application.class)
+public class ApplicationTest {
+
+	@Autowired
+	private UserService userService;
+
+	@Test
+	public void test() throws Exception {
+
+		// User user = new User();
+		// user.setId(userService.getSequence("seq_user"));
+		// user.setUsername("scott");
+		// user.setPasswd("ac089b11709f9b9e9980e7c497268dfa");
+		// user.setCreateTime(new Date());
+		// user.setStatus("0");
+		// this.userService.save(user);
+
+
+//		Example example = new Example(User.class);
+//		example.createCriteria().andCondition("username like '%i%'");
+//		example.setOrderByClause("id desc");
+//		List<User> userList = this.userService.selectByExample(example);
+//		for (User u : userList) {
+//			System.out.println(u.getUsername());
+//		}
+//		
+//		List<User> all = this.userService.selectAll();
+//		for (User u : all) {
+//			System.out.println(u.getUsername());
+//		}
+//		
+//		User user = new User();
+//		user.setId(1l);
+//		user = this.userService.selectByKey(user);
+//		System.out.println(user.getUsername());
+//
+//		user.setId(4l);
+//		this.userService.delete(user);
+
+		PageHelper.startPage(2, 2);
+		List<User> list = userService.selectAll();
+		PageInfo<User> pageInfo = new PageInfo<User>(list);
+		List<User> result = pageInfo.getList();
+		for (User u : result) {
+			System.out.println(u.getUsername());
+		}
+	}
+}

27.Spring-Boot-Mapper-PageHelper/src/main/java/com/springboot/bean/User.java

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+package com.springboot.bean;
+
+import java.util.Date;
+
+import javax.persistence.Column;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+@Table(name = "T_USER")
+public class User {
+    @Id
+    @Column(name = "ID")
+    private Long id;
+
+    @Column(name = "USERNAME")
+    private String username;
+
+    @Column(name = "PASSWD")
+    private String passwd;
+
+    @Column(name = "CREATE_TIME")
+    private Date createTime;
+
+    @Column(name = "STATUS")
+    private String status;
+
+    /**
+     * @return ID
+     */
+    public Long getId() {
+        return id;
+    }
+
+    /**
+     * @param id
+     */
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    /**
+     * @return USERNAME
+     */
+    public String getUsername() {
+        return username;
+    }
+
+    /**
+     * @param username
+     */
+    public void setUsername(String username) {
+        this.username = username == null ? null : username.trim();
+    }
+
+    /**
+     * @return PASSWD
+     */
+    public String getPasswd() {
+        return passwd;
+    }
+
+    /**
+     * @param passwd
+     */
+    public void setPasswd(String passwd) {
+        this.passwd = passwd == null ? null : passwd.trim();
+    }
+
+    /**
+     * @return CREATE_TIME
+     */
+    public Date getCreateTime() {
+        return createTime;
+    }
+
+    /**
+     * @param createTime
+     */
+    public void setCreateTime(Date createTime) {
+        this.createTime = createTime;
+    }
+
+    /**
+     * @return STATUS
+     */
+    public String getStatus() {
+        return status;
+    }
+
+    /**
+     * @param status
+     */
+    public void setStatus(String status) {
+        this.status = status == null ? null : status.trim();
+    }
+}

27.Spring-Boot-Mapper-PageHelper/src/main/java/com/springboot/config/MyMapper.java

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+package com.springboot.config;
+
+import tk.mybatis.mapper.common.Mapper;
+import tk.mybatis.mapper.common.MySqlMapper;
+
+public interface MyMapper<T> extends Mapper<T>, MySqlMapper<T> {
+
+}

27.Spring-Boot-Mapper-PageHelper/src/main/java/com/springboot/mapper/SeqenceMapper.java

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+package com.springboot.mapper;
+
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
+
+public interface SeqenceMapper {
+	@Select("select ${seqName}.nextval from dual")
+	Long getSequence(@Param("seqName") String seqName);
+}

27.Spring-Boot-Mapper-PageHelper/src/main/java/com/springboot/mapper/UserMapper.java

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+package com.springboot.mapper;
+
+import com.springboot.bean.User;
+import com.springboot.config.MyMapper;
+
+public interface UserMapper extends MyMapper<User> {
+}

27.Spring-Boot-Mapper-PageHelper/src/main/java/com/springboot/service/IService.java

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+package com.springboot.service;
+
+import java.util.List;
+
+import org.apache.ibatis.annotations.Param;
+import org.springframework.stereotype.Service;
+
+@Service
+public interface IService<T> {
+
+	Long getSequence(@Param("seqName") String seqName);
+
+	List<T> selectAll();
+
+    T selectByKey(Object key);
+
+    int save(T entity);
+
+    int delete(Object key);
+
+    int updateAll(T entity);
+
+    int updateNotNull(T entity);
+
+    List<T> selectByExample(Object example);
+
+}

27.Spring-Boot-Mapper-PageHelper/src/main/java/com/springboot/service/UserService.java

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+package com.springboot.service;
+
+import com.springboot.bean.User;
+
+public interface UserService extends IService<User>{
+
+}