Copyright © 1998-2023 maxiaoke.com All rights reserved.

当前位置:　 首页>> 技术小册>> Java必知必会-Maven高级

小册名称：Java必知必会-Maven高级

1.2.1 maven-ssm

  • pom.xml
  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <project xmlns="http://maven.apache.org/POM/4.0.0"
  3.          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4.          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  5.     <modelVersion>4.0.0</modelVersion>
  7.     <groupId>com.xudaxian</groupId>
  8.     <artifactId>maven-ssm</artifactId>
  9.     <version>1.0</version>
  10.     <!-- 定义该工程用于进行构建管理 -->
  11.     <packaging>pom</packaging>
  13.     <!-- 管理的工程列表 -->
  14.     <modules>
  15.         <!-- 具体的工程名称 -->
  16.         <module>maven-ssm-pojo</module>
  17.         <module>maven-ssm-dao</module>
  18.         <module>maven-ssm-service</module>
  19.         <module>maven-ssm-web</module>
  20.     </modules>
  22.     <properties>
  23.         <maven.compiler.source>11</maven.compiler.source>
  24.         <maven.compiler.target>11</maven.compiler.target>
  25.     </properties>
  27.     <!-- 声明此处进行依赖管理 -->
  28.     <dependencyManagement>
  29.         <!-- 具体的依赖 -->
  30.         <dependencies>
  31.             <!-- 自定义工程依赖 -->
  32.             <dependency>
  33.                 <groupId>com.xudaxian</groupId>
  34.                 <artifactId>maven-ssm-service</artifactId>
  35.                 <version>1.0</version>
  36.             </dependency>
  37.             <dependency>
  38.                 <groupId>com.xudaxian</groupId>
  39.                 <artifactId>maven-ssm-pojo</artifactId>
  40.                 <version>1.0</version>
  41.             </dependency>
  42.             <dependency>
  43.                 <groupId>com.xudaxian</groupId>
  44.                 <artifactId>maven-ssm-dao</artifactId>
  45.                 <version>1.0</version>
  46.             </dependency>
  47.             <!-- spring的环境 -->
  48.             <dependency>
  49.                 <groupId>org.springframework</groupId>
  50.                 <artifactId>spring-context</artifactId>
  51.                 <version>5.1.9.RELEASE</version>
  52.             </dependency>
  53.             <!-- Spring整合Junit -->
  54.             <dependency>
  55.                 <groupId>org.springframework</groupId>
  56.                 <artifactId>spring-test</artifactId>
  57.                 <version>5.1.9.RELEASE</version>
  58.             </dependency>
  59.             <!-- mybatis的环境 -->
  60.             <dependency>
  61.                 <groupId>org.mybatis</groupId>
  62.                 <artifactId>mybatis</artifactId>
  63.                 <version>3.5.3</version>
  64.             </dependency>
  65.             <!--mysql环境-->
  66.             <dependency>
  67.                 <groupId>mysql</groupId>
  68.                 <artifactId>mysql-connector-java</artifactId>
  69.                 <version>8.0.25</version>
  70.             </dependency>
  71.             <!--spring整合jdbc-->
  72.             <dependency>
  73.                 <groupId>org.springframework</groupId>
  74.                 <artifactId>spring-jdbc</artifactId>
  75.                 <version>5.1.9.RELEASE</version>
  76.             </dependency>
  77.             <!--spring整合mybatis-->
  78.             <dependency>
  79.                 <groupId>org.mybatis</groupId>
  80.                 <artifactId>mybatis-spring</artifactId>
  81.                 <version>2.0.3</version>
  82.             </dependency>
  83.             <!--druid连接池-->
  84.             <dependency>
  85.                 <groupId>com.alibaba</groupId>
  86.                 <artifactId>druid</artifactId>
  87.                 <version>1.1.16</version>
  88.             </dependency>
  89.             <!--分页插件坐标-->
  90.             <dependency>
  91.                 <groupId>com.github.pagehelper</groupId>
  92.                 <artifactId>pagehelper</artifactId>
  93.                 <version>5.1.2</version>
  94.             </dependency>
  95.             <dependency>
  96.                 <groupId>org.springframework</groupId>
  97.                 <artifactId>spring-webmvc</artifactId>
  98.                 <version>5.1.9.RELEASE</version>
  99.             </dependency>
  100.             <dependency>
  101.                 <groupId>com.fasterxml.jackson.core</groupId>
  102.                 <artifactId>jackson-databind</artifactId>
  103.                 <version>2.9.0</version>
  104.             </dependency>
  105.         </dependencies>
  106.     </dependencyManagement>
  108.     <!--
  109.         可以在子工程中定义依赖关系，无需声明依赖版本，版本将参考父工程中依赖的版本。
  110.         当然，我直接定义在父工程了。
  111.     -->
  112.     <dependencies>
  113.         <!-- spring的环境 -->
  114.         <dependency>
  115.             <groupId>org.springframework</groupId>
  116.             <artifactId>spring-context</artifactId>
  117.         </dependency>
  118.         <!-- Spring整合Junit -->
  119.         <dependency>
  120.             <groupId>org.springframework</groupId>
  121.             <artifactId>spring-test</artifactId>
  122.         </dependency>
  123.         <!-- mybatis的环境 -->
  124.         <dependency>
  125.             <groupId>org.mybatis</groupId>
  126.             <artifactId>mybatis</artifactId>
  127.         </dependency>
  128.         <!--mysql环境-->
  129.         <dependency>
  130.             <groupId>mysql</groupId>
  131.             <artifactId>mysql-connector-java</artifactId>
  132.         </dependency>
  133.         <!--spring整合jdbc-->
  134.         <dependency>
  135.             <groupId>org.springframework</groupId>
  136.             <artifactId>spring-jdbc</artifactId>
  137.         </dependency>
  138.         <!--spring整合mybatis-->
  139.         <dependency>
  140.             <groupId>org.mybatis</groupId>
  141.             <artifactId>mybatis-spring</artifactId>
  142.         </dependency>
  143.         <!--druid连接池-->
  144.         <dependency>
  145.             <groupId>com.alibaba</groupId>
  146.             <artifactId>druid</artifactId>
  147.         </dependency>
  148.         <!--分页插件坐标-->
  149.         <dependency>
  150.             <groupId>com.github.pagehelper</groupId>
  151.             <artifactId>pagehelper</artifactId>
  152.         </dependency>
  153.         <dependency>
  154.             <groupId>org.springframework</groupId>
  155.             <artifactId>spring-webmvc</artifactId>
  156.         </dependency>
  157.         <dependency>
  158.             <groupId>com.fasterxml.jackson.core</groupId>
  159.             <artifactId>jackson-databind</artifactId>
  160.         </dependency>
  161.     </dependencies>
  163.     <build>
  164.         <pluginManagement>
  165.             <plugins>
  166.                 <!--具体的插件配置-->
  167.                 <plugin>
  168.                     <groupId>org.apache.tomcat.maven</groupId>
  169.                     <artifactId>tomcat7-maven-plugin</artifactId>
  170.                     <version>2.1</version>
  171.                     <configuration>
  172.                         <port>80</port>
  173.                         <path>/</path>
  174.                     </configuration>
  175.                 </plugin>
  176.             </plugins>
  177.         </pluginManagement>
  178.     </build>
  180. </project>

1.2.2 maven-ssm-pojo

  • 目录结构：

  • pom.xml
  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <project xmlns="http://maven.apache.org/POM/4.0.0"
  3.          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4.          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  5.     <parent>
  6.         <artifactId>maven-ssm</artifactId>
  7.         <groupId>com.xudaxian</groupId>
  8.         <version>1.0</version>
  9.     </parent>
  10.     <modelVersion>4.0.0</modelVersion>
  12.     <artifactId>maven-ssm-pojo</artifactId>
  14.     <properties>
  15.         <maven.compiler.source>11</maven.compiler.source>
  16.         <maven.compiler.target>11</maven.compiler.target>
  17.     </properties>
  19. </project>
  • com.xudaxian.domain.User.java
  1. package com.xudaxian.domain;
  3. import java.io.Serializable;
  4. import java.util.Date;
  6. /**
  7.  * User
  8.  *
  9.  * @author maxiaoke.com
  10.  * @version 1.0
  11.  * @since 2021 -06-14 07:25
  12.  */
  13. public class User implements Serializable {
  15.     private String uuid;
  17.     private String username;
  19.     private String password;
  21.     private String realName;
  23.     private Integer gender;
  25.     private Date birthday;
  28.     public String getUuid() {
  29.         return uuid;
  30.     }
  33.     public void setUuid(String uuid) {
  34.         this.uuid = uuid;
  35.     }
  38.     public String getUsername() {
  39.         return username;
  40.     }
  43.     public void setUsername(String username) {
  44.         this.username = username;
  45.     }
  48.     public String getPassword() {
  49.         return password;
  50.     }
  53.     public void setPassword(String password) {
  54.         this.password = password;
  55.     }
  58.     public String getRealName() {
  59.         return realName;
  60.     }
  63.     public void setRealName(String realName) {
  64.         this.realName = realName;
  65.     }
  68.     public Integer getGender() {
  69.         return gender;
  70.     }
  73.     public void setGender(Integer gender) {
  74.         this.gender = gender;
  75.     }
  78.     public Date getBirthday() {
  79.         return birthday;
  80.     }
  83.     public void setBirthday(Date birthday) {
  84.         this.birthday = birthday;
  85.     }
  87.     @Override
  88.     public String toString() {
  89.         return "User{" +
  90.                 "uuid='" + uuid + '\'' +
  91.                 ", username='" + username + '\'' +
  92.                 ", password='" + password + '\'' +
  93.                 ", realName='" + realName + '\'' +
  94.                 ", gender=" + gender +
  95.                 ", birthday=" + birthday +
  96.                 '}';
  97.     }
  98. }

1.2.3 maven-ssm-dao

  • 目录结构：

  • pom.xml
  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <project xmlns="http://maven.apache.org/POM/4.0.0"
  3.          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4.          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  5.     <parent>
  6.         <artifactId>maven-ssm</artifactId>
  7.         <groupId>com.xudaxian</groupId>
  8.         <version>1.0</version>
  9.     </parent>
  10.     <modelVersion>4.0.0</modelVersion>
  12.     <artifactId>maven-ssm-dao</artifactId>
  14.     <properties>
  15.         <maven.compiler.source>11</maven.compiler.source>
  16.         <maven.compiler.target>11</maven.compiler.target>
  17.     </properties>
  19.     <dependencies>
  20.         <!-- 导入资源文件pojo -->
  21.         <dependency>
  22.             <groupId>com.xudaxian</groupId>
  23.             <artifactId>maven-ssm-pojo</artifactId>
  24.         </dependency>
  25.         <!-- 单元测试 -->
  26.         <dependency>
  27.             <groupId>junit</groupId>
  28.             <artifactId>junit</artifactId>
  29.             <version>4.13.2</version>
  30.             <scope>test</scope>
  31.         </dependency>
  32.     </dependencies>
  34. </project>
  • com.xudaxian.mapper.UserMapper.java
  1. package com.xudaxian.mapper;
  3. import com.xudaxian.domain.User;
  4. import org.apache.ibatis.annotations.Mapper;
  5. import org.apache.ibatis.annotations.Param;
  7. import java.util.List;
  9. /**
  10.  * @author maxiaoke.com
  11.  * @version 1.0
  12.  * 
  13.  */
  14. @Mapper
  15. public interface UserMapper {
  17.     /**
  18.      * 添加用户信息
  19.      *
  20.      * @param user 用户信息对象
  21.      * @return 如果新增成功，则返回true；否则，返回false
  22.      */
  23.     boolean save( User user);
  25.     /**
  26.      * 修改用户信息
  27.      *
  28.      * @param user 用户信息对象
  29.      * @return 如果修改成功，则返回true；否则，返回false
  30.      */
  31.     boolean update( User user);
  33.     /**
  34.      * 删除用户信息
  35.      *
  36.      * @param uuid 主键
  37.      * @return 如果删除成功，则返回true；否则，返回false
  38.      */
  39.     boolean delete(String uuid);
  41.     /**
  42.      * 根据主键查询用户信息
  43.      *
  44.      * @param uuid 主键
  45.      * @return 用户信息
  46.      */
  47.     User get(String uuid);
  49.     /**
  50.      * 查询全部用户信息
  51.      *
  52.      * @return 全部用户信息
  53.      */
  54.     List<User> getAll();
  56.     /**
  57.      * 根据用户名和密码查询用户信息
  58.      *
  59.      * @param username 用户名
  60.      * @param password 密码
  61.      * @return 用户信息
  62.      */
  63.     User getByUsernameAndPassword(@Param("username") String username, @Param("password") String password);
  65. }
  • com/xudaxian/mapper/UserMapper.xml
  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <!DOCTYPE mapper
  3.         PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
  4.         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
  5. <mapper namespace="com.xudaxian.mapper.UserMapper">
  6.     <insert id="save">
  7.         INSERT INTO `user` (uuid, username, password, realName, gender, birthday)
  8.         VALUES (#{uuid}, #{username}, #{password}, #{realName}, #{gender}, #{birthday})
  9.     </insert>
  10.     <update id="update">
  11.         UPDATE `user`
  12.         SET username=#{username},
  13.             password=#{password},
  14.             realName=#{realName},
  15.             gender=#{gender},
  16.             birthday=#{birthday}
  17.         WHERE uuid = #{uuid}
  18.     </update>
  19.     <delete id="delete">
  20.         DELETE
  21.         FROM `user`
  22.         WHERE uuid = #{uuid}
  23.     </delete>
  24.     <select id="get" resultType="com.xudaxian.domain.User">
  25.         SELECT *
  26.         FROM `user`
  27.         WHERE uuid = #{uuid}
  28.     </select>
  29.     <select id="getAll" resultType="com.xudaxian.domain.User">
  30.         SELECT *
  31.         FROM `user`
  32.     </select>
  33.     <select id="getByUsernameAndPassword" resultType="com.xudaxian.domain.User">
  34.         SELECT *
  35.         FROM `user`
  36.         WHERE username = #{username}
  37.           AND password = #{password}
  38.     </select>
  39. </mapper>
  • jdbc.properties
  1. jdbc.driver=com.mysql.cj.jdbc.Driver
  2. jdbc.url=jdbc:mysql://localhost:3306/maven?useUnicode=true&characterEncoding=UTF-8&autoReconnect=true&useSSL=false&serverTimezone=GMT%2B8&allowPublicKeyRetrieval=true&nullCatalogMeansCurrent=true
  3. jdbc.username=root
  4. jdbc.password=123456
  • applicationContext-dao.xml
  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <beans xmlns="http://www.springframework.org/schema/beans"
  3.        xmlns:context="http://www.springframework.org/schema/context"
  4.        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  5.        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
  6.         http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
  8.     <!--开启bean注解扫描-->
  9.     <context:component-scan base-package="com.xudaxian">
  10.         <context:exclude-filter type="annotation" expression="org.springframework.web.bind.annotation.RestController"/>
  11.     </context:component-scan>
  13.     <!--加载properties文件-->
  14.     <context:property-placeholder location="classpath*:jdbc.properties"/>
  16.     <!--数据源-->
  17.     <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
  18.         <property name="driverClassName" value="${jdbc.driver}"/>
  19.         <property name="url" value="${jdbc.url}"/>
  20.         <property name="username" value="${jdbc.username}"/>
  21.         <property name="password" value="${jdbc.password}"/>
  22.     </bean>
  24.     <!--整合mybatis到spring中-->
  25.     <bean class="org.mybatis.spring.SqlSessionFactoryBean">
  26.         <property name="dataSource" ref="dataSource"/>
  27.         <property name="typeAliasesPackage" value="com.xudaxian.mapper"/>
  28.         <!--分页插件-->
  29.         <property name="plugins">
  30.             <array>
  31.                 <bean class="com.github.pagehelper.PageInterceptor">
  32.                     <property name="properties">
  33.                         <props>
  34.                             <prop key="helperDialect">mysql</prop>
  35.                             <prop key="reasonable">true</prop>
  36.                         </props>
  37.                     </property>
  38.                 </bean>
  39.             </array>
  40.         </property>
  41.     </bean>
  43.     <!--映射扫描-->
  44.     <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
  45.         <property name="basePackage" value="com.xudaxian.mapper"/>
  46.     </bean>
  48. </beans>

1.2.4 maven-ssm-service

  • 目录结构：

  • pom.xml
  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <project xmlns="http://maven.apache.org/POM/4.0.0"
  3.          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4.          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  5.     <parent>
  6.         <artifactId>maven-ssm</artifactId>
  7.         <groupId>com.xudaxian</groupId>
  8.         <version>1.0</version>
  9.     </parent>
  10.     <modelVersion>4.0.0</modelVersion>
  12.     <artifactId>maven-ssm-service</artifactId>
  14.     <properties>
  15.         <maven.compiler.source>11</maven.compiler.source>
  16.         <maven.compiler.target>11</maven.compiler.target>
  17.     </properties>
  19.     <dependencies>
  20.         <dependency>
  21.             <groupId>com.xudaxian</groupId>
  22.             <artifactId>maven-ssm-dao</artifactId>
  23.         </dependency>
  24.         <!-- 单元测试 -->
  25.         <dependency>
  26.             <groupId>junit</groupId>
  27.             <artifactId>junit</artifactId>
  28.             <version>4.13.2</version>
  29.             <scope>test</scope>
  30.         </dependency>
  31.     </dependencies>
  33. </project>
  • com.xudaxian.service.UserService.java
  1. package com.xudaxian.service;
  3. import com.github.pagehelper.PageInfo;
  4. import com.xudaxian.domain.User;
  6. /**
  7.  * @author maxiaoke.com
  8.  * @version 1.0
  9.  * 
  10.  */
  11. public interface UserService {
  13.     /**
  14.      * 保存用户信息
  15.      *
  16.      * @param user 用户信息
  17.      * @return
  18.      */
  19.     boolean save(User user);
  21.     /**
  22.      * 更新用户信息
  23.      *
  24.      * @param user 用户信息
  25.      * @return
  26.      */
  27.     boolean update(User user);
  29.     /**
  30.      * 删除用户信息
  31.      *
  32.      * @param uuid 主键
  33.      * @return
  34.      */
  35.     boolean delete(String uuid);
  37.     /**
  38.      * 根据主键获取用户信息
  39.      *
  40.      * @param uuid 主键
  41.      * @return
  42.      */
  43.     User get(String uuid);
  45.     /**
  46.      * 分页显示用户信息
  47.      *
  48.      * @param page 页码
  49.      * @param size 每页显示条数
  50.      * @return
  51.      */
  52.     PageInfo<User> getAll(int page, int size);
  54.     /**
  55.      * 根据用户名和密码登录
  56.      *
  57.      * @param userName
  58.      * @param password
  59.      * @return
  60.      */
  61.     User login(String userName, String password);
  62. }
  • com.xudaxian.service.impl.UserServiceImpl.java
  1. package com.xudaxian.service.impl;
  3. import com.github.pagehelper.PageHelper;
  4. import com.github.pagehelper.PageInfo;
  5. import com.xudaxian.domain.User;
  6. import com.xudaxian.mapper.UserMapper;
  7. import com.xudaxian.service.UserService;
  8. import org.springframework.beans.factory.annotation.Autowired;
  9. import org.springframework.stereotype.Service;
  10. import org.springframework.transaction.annotation.Transactional;
  12. import java.util.List;
  14. /**
  15.  * @author maxiaoke.com
  16.  * @version 1.0
  17.  * 
  18.  */
  19. @Transactional
  20. @Service
  21. public class UserServiceImpl implements UserService {
  23.     @Autowired
  24.     private UserMapper userMapper;
  26.     @Override
  27.     public boolean save(User user) {
  28.         return userMapper.save(user);
  29.     }
  31.     @Override
  32.     public boolean update(User user) {
  33.         return userMapper.update(user);
  34.     }
  36.     @Override
  37.     public boolean delete(String uuid) {
  38.         return userMapper.delete(uuid);
  39.     }
  41.     @Override
  42.     public User get(String uuid) {
  43.         return userMapper.get(uuid);
  44.     }
  46.     @Override
  47.     public PageInfo<User> getAll(int page, int size) {
  48.         PageHelper.startPage(page, size);
  49.         List<User> userList = userMapper.getAll();
  50.         return new PageInfo<>(userList);
  51.     }
  53.     @Override
  54.     public User login(String userName, String password) {
  55.         return userMapper.getByUsernameAndPassword(userName, password);
  56.     }
  57. }
  • applicationContext-service.xml
  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <beans xmlns="http://www.springframework.org/schema/beans"
  3.        xmlns:context="http://www.springframework.org/schema/context"
  4.        xmlns:tx="http://www.springframework.org/schema/tx"
  5.        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  6.        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
  7.         http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
  8.         http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
  10.     <!--开启bean注解扫描-->
  11.     <context:component-scan base-package="com.xudaxian">
  12.         <context:exclude-filter type="annotation" expression="org.springframework.web.bind.annotation.RestController"/>
  13.     </context:component-scan>
  15.     <!-- 导入applicationContext-dao.xml文件   -->
  16.     <import resource="classpath*:applicationContext-dao.xml"/>
  18.     <!--开启注解式事务-->
  19.     <tx:annotation-driven transaction-manager="txManager"/>
  21.     <!--事务管理器-->
  22.     <bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
  23.         <property name="dataSource" ref="dataSource"/>
  24.     </bean>
  26. </beans>

1.2.5 maven-ssm-web

  • 目录结构：

  • pom.xml
  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <project xmlns="http://maven.apache.org/POM/4.0.0"
  3.          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4.          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  5.     <!-- 定义该工程的父工程 -->
  6.     <parent>
  7.         <artifactId>maven-ssm</artifactId>
  8.         <groupId>com.xudaxian</groupId>
  9.         <version>1.0</version>
  10.         <!-- 填写父工程的pom文件，如果是下面的这种格式，可以省略relativePath -->
  11.         <relativePath>../pom.xml</relativePath>
  12.     </parent>
  13.     <modelVersion>4.0.0</modelVersion>
  15.     <artifactId>maven-ssm-web</artifactId>
  16.     <packaging>war</packaging>
  18.     <properties>
  19.         <maven.compiler.source>11</maven.compiler.source>
  20.         <maven.compiler.target>11</maven.compiler.target>
  21.     </properties>
  23.     <dependencies>
  24.         <dependency>
  25.             <groupId>com.xudaxian</groupId>
  26.             <artifactId>maven-ssm-service</artifactId>
  27.         </dependency>
  28.     </dependencies>
  30.     <build>
  31.         <!--设置插件-->
  32.         <plugins>
  33.             <!--具体的插件配置-->
  34.             <plugin>
  35.                 <groupId>org.apache.tomcat.maven</groupId>
  36.                 <artifactId>tomcat7-maven-plugin</artifactId>
  37.             </plugin>
  38.         </plugins>
  39.     </build>
  40. </project>
  • com.xudaxian.utils.Code.java
  1. package com.xudaxian.utils;
  3. import java.io.Serializable;
  5. /**
  6.  * @author maxiaoke.com
  7.  * @version 1.0
  8.  * 
  9.  */
  10. public class Code implements Serializable {
  11.     //    操作结果编码
  12.     public static final Integer SAVE_OK = 20011;
  13.     public static final Integer UPDATE_OK = 20021;
  14.     public static final Integer DELETE_OK = 20031;
  15.     public static final Integer GET_OK = 20041;
  17.     public static final Integer SAVE_ERROR = 20010;
  18.     public static final Integer UPDATE_ERROR = 20020;
  19.     public static final Integer DELETE_ERROR = 20030;
  20.     public static final Integer GET_ERROR = 20040;
  22.     //    系统错误编码
  24.     //    操作权限编码
  26.     //    校验结果编码
  28. }
  • com.xudaxian.utils.Result.java
  1. package com.xudaxian.utils;
  3. import java.io.Serializable;
  5. /**
  6.  * @author maxiaoke.com
  7.  * @version 1.0
  8.  * 
  9.  */
  10. public class Result implements Serializable {
  11.     //    操作结果编码
  12.     private Integer code;
  13.     //    操作数据结果
  14.     private Object data;
  15.     //    消息
  16.     private String message;
  18.     public Result(Integer code) {
  19.         this.code = code;
  20.     }
  22.     public Result(Integer code, Object data) {
  23.         this.code = code;
  24.         this.data = data;
  25.     }
  27.     public Integer getCode() {
  28.         return code;
  29.     }
  31.     public void setCode(Integer code) {
  32.         this.code = code;
  33.     }
  35.     public Object getData() {
  36.         return data;
  37.     }
  39.     public void setData(Object data) {
  40.         this.data = data;
  41.     }
  43.     public String getMessage() {
  44.         return message;
  45.     }
  47.     public void setMessage(String message) {
  48.         this.message = message;
  49.     }
  51.     @Override
  52.     public String toString() {
  53.         return "Result{" +
  54.                 "code=" + code +
  55.                 ", data=" + data +
  56.                 ", message='" + message + '\'' +
  57.                 '}';
  58.     }
  59. }
  • com.xudaxian.web.UserController.java
  1. package com.xudaxian.web;
  3. import com.github.pagehelper.PageInfo;
  4. import com.xudaxian.domain.User;
  5. import com.xudaxian.service.UserService;
  6. import com.xudaxian.utils.Code;
  7. import com.xudaxian.utils.Result;
  8. import org.springframework.beans.factory.annotation.Autowired;
  9. import org.springframework.web.bind.annotation.*;
  11. /**
  12.  * @author maxiaoke.com
  13.  * @version 1.0
  14.  * 
  15.  */
  16. @RestController
  17. @RequestMapping("/user")
  18. public class UserController {
  19.     @Autowired
  20.     private UserService userService;
  22.     @PostMapping
  23.     public Result save(User user) {
  24.         boolean flag = userService.save(user);
  25.         return new Result(flag ? Code.SAVE_OK : Code.SAVE_ERROR);
  26.     }
  28.     @PutMapping
  29.     public Result update(User user) {
  30.         boolean flag = userService.update(user);
  31.         return new Result(flag ? Code.UPDATE_OK : Code.UPDATE_ERROR);
  32.     }
  34.     @DeleteMapping("/{uuid}")
  35.     public Result delete(@PathVariable String uuid) {
  36.         boolean flag = userService.delete(uuid);
  37.         return new Result(flag ? Code.DELETE_OK : Code.DELETE_ERROR);
  38.     }
  40.     @GetMapping("/{uuid}")
  41.     public Result get(@PathVariable String uuid) {
  42.         User user = userService.get(uuid);
  43.         return new Result(null != user ? Code.GET_OK : Code.GET_ERROR, user);
  44.     }
  46.     @GetMapping("/{page}/{size}")
  47.     public Result getAll(@PathVariable Integer page, @PathVariable Integer size) {
  48.         PageInfo<User> all = userService.getAll(page, size);
  49.         return new Result(null != all ? Code.GET_OK : Code.GET_ERROR, all);
  50.     }
  52.     @PostMapping("/login")
  53.     public Result login(String userName, String password) {
  54.         User user = userService.login(userName, password);
  55.         return new Result(null != user ? Code.GET_OK : Code.GET_ERROR, user);
  56.     }
  58. }
  • applicationContext.xml
  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <beans xmlns="http://www.springframework.org/schema/beans"
  3.        xmlns:context="http://www.springframework.org/schema/context"
  4.        xmlns:tx="http://www.springframework.org/schema/tx"
  5.        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  6.        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
  7.         http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
  8.         http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
  10.     <context:component-scan base-package="com.xudaxian">
  11.         <context:include-filter type="annotation" expression="org.springframework.web.bind.annotation.RestController"/>
  12.     </context:component-scan>
  14.     <import resource="classpath*:applicationContext-service.xml"/>
  16. </beans>
  • spring-mvc.xml
  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <beans xmlns="http://www.springframework.org/schema/beans"
  3.        xmlns:context="http://www.springframework.org/schema/context"
  4.        xmlns:mvc="http://www.springframework.org/schema/mvc"
  5.        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  6.        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
  7.         http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
  8.         http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
  10.     <mvc:annotation-driven/>
  12.     <context:component-scan base-package="com.xudaxian.web">
  13.         <context:include-filter type="annotation" expression="org.springframework.web.bind.annotation.RestController"/>
  14.     </context:component-scan>
  16. </beans>
  • webapp/WEB-INF/web.xml
  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
  3.          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4.          xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
  5.          http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
  6.          version="3.1">
  8.     <context-param>
  9.         <param-name>contextConfigLocation</param-name>
  10.         <param-value>classpath*:applicationContext.xml</param-value>
  11.     </context-param>
  13.     <!--启动服务器时，通过监听器加载spring运行环境-->
  14.     <listener>
  15.         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  16.     </listener>
  18.     <filter>
  19.         <filter-name>CharacterEncodingFilter</filter-name>
  20.         <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
  21.         <init-param>
  22.             <param-name>encoding</param-name>
  23.             <param-value>UTF-8</param-value>
  24.         </init-param>
  25.     </filter>
  26.     <filter-mapping>
  27.         <filter-name>CharacterEncodingFilter</filter-name>
  28.         <url-pattern>/*</url-pattern>
  29.     </filter-mapping>
  31.     <servlet>
  32.         <servlet-name>DispatcherServlet</servlet-name>
  33.         <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  34.         <init-param>
  35.             <param-name>contextConfigLocation</param-name>
  36.             <param-value>classpath*:spring-mvc.xml</param-value>
  37.         </init-param>
  38.     </servlet>
  39.     <servlet-mapping>
  40.         <servlet-name>DispatcherServlet</servlet-name>
  41.         <url-pattern>/</url-pattern>
  42.     </servlet-mapping>
  44. </web-app>

该分类下的相关小册推荐：

Java语言基础6-面向对象高级
Java语言基础6-面向对象高级
SpringBoot零基础到实战
SpringBoot零基础到实战
Java面试指南
Java面试指南
手把手带你学习SpringBoot-零基础到实战
手把手带你学习SpringBoot-零基础到实战
Spring AOP 编程思想(上)
Spring AOP 编程思想(上)
深入拆解 Java 虚拟机
深入拆解 Java 虚拟机
Java必知必会-JDBC
Java必知必会-JDBC
java源码学习笔记
java源码学习笔记
Java语言基础13-类的加载和反射
Java语言基础13-类的加载和反射
SpringBoot合辑-初级篇
SpringBoot合辑-初级篇
Java语言基础1-基础知识
Java语言基础1-基础知识
Mybatis合辑2-Mybatis映射文件
Mybatis合辑2-Mybatis映射文件