搭建maven+spring+mybatis工程
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一、maven 命令搭建web项目
可以参考我之前的一篇博文maven快速入门
1、搭建web工程
mvn archetype:generate -DgroupId=com.yuanmeng.springdemo -DartifactId=spring-mybatis -DarchetypeArtifactId=maven-archetype-webapp -DinteractiveMode=false
2、pom配置
<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/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.yuanmeng.springdemo</groupId> <artifactId>spring-mybatis</artifactId> <packaging>war</packaging> <version>1.0-SNAPSHOT</version> <name>spring Maven Webapp</name> <url>http://maven.apache.org</url> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <spring.version>4.1.4.RELEASE</spring.version> <jackson.version>2.5.0</jackson.version> </properties> <dependencies> <!-- spring --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>${spring.version}</version> <scope>test</scope> </dependency> <!-- mybatis 包 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.2.8</version> </dependency> <!--mybatis spring 插件 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.2.2</version> </dependency> <!-- mysql连接 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.34</version> </dependency> <!-- 数据源 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.0.12</version> </dependency> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.8.4</version> </dependency> <!-- log4j --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> <!-- servlet --> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>3.0-alpha-1</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <!-- json --> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.3</version> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> </dependencies> <build> <finalName>spring-mybatis</finalName> </build> </project>
3、切换到工程根目录下，执行 mvn eclipse:eclipse。将maven工程转为eclipse工程，然后在eclipse导入工程
二、创建表
登录 mysql -uroot -p use testdb 创建表 create table user_info( id int(16) not null primary key auto_increment, name varchar(32) not null, password varchar(32) not null );
三、自动生成dao、do、mapper xml配置
可以参考我之前的一篇博文mybatis-generator-core自动生成do、mapping、dao 代码
四、代码结构
dao
public interface UserInfoMapper { int deleteByPrimaryKey(Long id); int insert(UserInfo record); int insertSelective(UserInfo record); UserInfo selectByPrimaryKey(Integer id); int updateByPrimaryKeySelective(UserInfo record); int updateByPrimaryKey(UserInfo record); }
do
public class UserInfo { private int id; private String name; private String password; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name == null ? null : name.trim(); } public String getPassword() { return password; } public void setPassword(String password) { this.password = password == null ? null : password.trim(); } }
service
public interface UserService { UserInfo getUserInfoById(int id); } @Service("userService") public class UserServiceImpl implements UserService { @Resource(name="userInfoMapper") private UserInfoMapper userInfoMapper; @Override public UserInfo getUserInfoById(int id) { return userInfoMapper.selectByPrimaryKey(id); } }
五、文件配置
userInfoMapper.xml配置
<?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.yuanmeng.springdemo.dao.UserInfoMapper" > <resultMap id="BaseResultMap" type="com.yuanmeng.springdemo.model.UserInfo" > <id column="id" property="id" jdbcType="INTEGER" /> <result column="name" property="name" jdbcType="VARCHAR" /> <result column="password" property="password" jdbcType="VARCHAR" /> </resultMap> <sql id="Base_Column_List" > id, name, password </sql> <select id="selectByPrimaryKey" resultMap="BaseResultMap" parameterType="java.lang.Integer" > select <include refid="Base_Column_List" /> from user_info where id = #{id,jdbcType=INTEGER} </select> <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer" > delete from user_info where id = #{id,jdbcType=INTEGER} </delete> <insert id="insert" parameterType="com.yuanmeng.springdemo.model.UserInfo" > insert into user_info (id, name, password ) values (#{id,jdbcType=INTEGER}, #{name,jdbcType=VARCHAR}, #{password,jdbcType=VARCHAR} ) </insert> <insert id="insertSelective" parameterType="com.yuanmeng.springdemo.model.UserInfo" > insert into user_info <trim prefix="(" suffix=")" suffixOverrides="," > <if test="id != null" > id, </if> <if test="name != null" > name, </if> <if test="password != null" > password, </if> </trim> <trim prefix="values (" suffix=")" suffixOverrides="," > <if test="id != null" > #{id,jdbcType=INTEGER}, </if> <if test="name != null" > #{name,jdbcType=VARCHAR}, </if> <if test="password != null" > #{password,jdbcType=VARCHAR}, </if> </trim> </insert> <update id="updateByPrimaryKeySelective" parameterType="com.yuanmeng.springdemo.model.UserInfo" > update user_info <set > <if test="name != null" > name = #{name,jdbcType=VARCHAR}, </if> <if test="password != null" > password = #{password,jdbcType=VARCHAR}, </if> </set> where id = #{id,jdbcType=INTEGER} </update> <update id="updateByPrimaryKey" parameterType="com.yuanmeng.springdemo.model.UserInfo" > update user_info set name = #{name,jdbcType=VARCHAR}, password = #{password,jdbcType=VARCHAR} where id = #{id,jdbcType=INTEGER} </update> </mapper>
config.properties
validationQuery=SELECT 1 jdbc.url=jdbc:mysql://localhost:3306/testdb?useUnicode=true&characterEncoding=utf-8 jdbc.username=root jdbc.password=root
spring.xml
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd"> <!--引入配置属性文件 --> <context:property-placeholder location="classpath:config.properties" /> <!--自动扫描含有@Service将其注入为bean --> <context:component-scan base-package="com.yuanmeng.springdemo.service" /> </beans>
spring-mybatis.xml
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.1.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.1.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.1.xsd "> <!-- 配置数据源 使用的是Druid数据源 --> <bean name="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close"> <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> <!-- 初始化连接大小 --> <property name="initialSize" value="0" /> <!-- 连接池最大使用连接数量 --> <property name="maxActive" value="20" /> <!-- 连接池最小空闲 --> <property name="minIdle" value="0" /> <!-- 获取连接最大等待时间 --> <property name="maxWait" value="60000" /> <property name="poolPreparedStatements" value="true" /> <property name="maxPoolPreparedStatementPerConnectionSize" value请问eclipse搭建SSM（spring+springmvc+mybatis）一定要用maven来搭建吗mybatis学习笔记 -- maven+spring+mybatis从零开始搭建整合详细过程（下）
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