SSM整合（IDEA版）

本文主要是介绍SSM整合（IDEA版），对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

1 环境准备

1.1 软件架构

JDK 1.8
Spring 4.x
Mybatis 3.x
Maven 3.x
MySQL 5.7

1.2 创建数据库

创建数据库，数据库名ssm-demo，字符集utf-8，排序规则默认。

DROP TABLE IF EXISTS `t_user`;
CREATE TABLE `t_user` (
	`id` BIGINT ( 20 ) NOT NULL AUTO_INCREMENT,
	`username` VARCHAR ( 60 ) DEFAULT NULL,
	`password` VARCHAR ( 60 ) DEFAULT NULL,
	`nick_name` VARCHAR ( 60 ) DEFAULT NULL,
	`telephone` VARCHAR ( 60 ) DEFAULT NULL,
	`email` VARCHAR ( 60 ) DEFAULT NULL,
	`birthday` date DEFAULT NULL,
	`gender` CHAR ( 1 ) DEFAULT NULL,
	`status` CHAR ( 1 ) DEFAULT NULL,
	`create_time` datetime DEFAULT NULL,
	`update_time` datetime DEFAULT NULL,
	 PRIMARY KEY ( `id` ) 
);

1.3 Maven配置

修改settings.xml配置。

<!-- 设置aliyun镜像 -->
<mirrors>
    <mirror>
        <id>alimaven</id>
        <name>aliyun maven</name>
        <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
        <mirrorOf>central</mirrorOf>
    </mirror>
</mirrors>
        
<!-- 设置jdk1.8版本编译 -->
<profiles>
    <profile>
        <id>jdk8</id>
        <activation>
            <activeByDefault>true</activeByDefault>
            <jdk>1.8</jdk>
        </activation>
        <properties>
            <maven.compiler.source>1.8</maven.compiler.source>
            <maven.compiler.target>1.8</maven.compiler.target>
            <maven.compiler.compilerVersion>1.8</maven.compiler.compilerVersion>
        </properties>
    </profile>
</profiles>

1.4 创建工程

点击next，填写相关信息。

点击next创建项目。

在main文件夹下创建java文件夹、resources文件夹，在src文件夹下创建test文件夹，在test文件夹下创建java文件夹。

定义文件夹类型，main文件夹下java文件夹选择Sources Root，resources文件夹选择 Resources Root，test文件夹下java文件夹选择Tests。

点击ok。

1.4 配置tomcat

选择tomcat路径。

点击fix。

选择war-exploded。

修改Application context。

点击ok。

1.5 添加Maven依赖

完整的pom.xml。

<?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.zl</groupId>
    <artifactId>ssm-demo</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>war</packaging>
    <name>ssm-demo </name>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
        <spring.version>4.3.7.RELEASE</spring.version>
    </properties>

    <dependencies>

        <!-- spring、springmvc -->
        <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>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!-- mybatis -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.4.2</version>
        </dependency>

        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.3.1</version>
        </dependency>

        <!-- pageHelper分页插件 -->
        <dependency>
            <groupId>com.github.pagehelper</groupId>
            <artifactId>pagehelper</artifactId>
            <version>5.0.0</version>
        </dependency>

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.41</version>
        </dependency>

        <dependency>
            <groupId>c3p0</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.1</version>
        </dependency>

        <!-- jstl、servlet-api -->
        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.0.1</version>
            <scope>provided</scope>
        </dependency>

        <!-- junit -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>
    </dependencies>

    <build>
        <finalName>ssm-demo</finalName>
        <pluginManagement>
            <plugins>
                <plugin>
                    <artifactId>maven-clean-plugin</artifactId>
                    <version>3.1.0</version>
                </plugin>
                <plugin>
                    <artifactId>maven-resources-plugin</artifactId>
                    <version>3.0.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.8.0</version>
                </plugin>
                <plugin>
                    <artifactId>maven-surefire-plugin</artifactId>
                    <version>2.22.1</version>
                </plugin>
                <plugin>
                    <artifactId>maven-war-plugin</artifactId>
                    <version>3.2.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-install-plugin</artifactId>
                    <version>2.5.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-deploy-plugin</artifactId>
                    <version>2.8.2</version>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>
</project>

1.6 添加配置文件

1.6.1 applicationContext.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"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/aop
       	http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
		http://www.springframework.org/schema/beans
		http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
		http://www.springframework.org/schema/tx
		http://www.springframework.org/schema/tx/spring-tx-4.3.xsd
		http://www.springframework.org/schema/context
		http://www.springframework.org/schema/context/spring-context-4.3.xsd">

	<!-- 配置包扫描 -->
	<context:component-scan base-package="com.zl" />

	<!-- 引入配置文件 -->
	<context:property-placeholder location="classpath:jdbc.properties"/>

	<!-- 配置数据源 -->
	<bean id="myDataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
		<property name="driverClass" value="${jdbc.driverClass}"/>
		<property name="jdbcUrl" value="${jdbc.jdbcUrl}"/>
		<property name="user" value="${jdbc.user}"/>
		<property name="password" value="${jdbc.password}"/>
    </bean>

    <!-- Spring整合Mybatis -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
		<!-- 指定Mybatis核心配置文件 -->
		<property name="configLocation" value="classpath:sqlMapConfig.xml"/>
		<!-- 配置数据源 -->
		<property name="dataSource" ref="myDataSource"/>
        <!-- 指定Mapper文件的位置 -->
		<property name="mapperLocations" value="classpath:mapper/*.xml"/>
    </bean>

    <!-- Mapper代理形式开发dao，扫描包形式配置mapper -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="com.zl.dao"/>
    </bean>

    <!-- 配置事务管理器 -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="myDataSource"/>
    </bean>

	<!-- 通知 -->
	<tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
			<!-- 传播行为 -->
			<tx:method name="save*" propagation="REQUIRED" />
			<tx:method name="insert*" propagation="REQUIRED" />
			<tx:method name="add*" propagation="REQUIRED" />
			<tx:method name="create*" propagation="REQUIRED" />
			<tx:method name="delete*" propagation="REQUIRED" />
			<tx:method name="update*" propagation="REQUIRED" />
			<tx:method name="find*" propagation="SUPPORTS" read-only="true" />
			<tx:method name="select*" propagation="SUPPORTS" read-only="true" />
			<tx:method name="get*" propagation="SUPPORTS" read-only="true" />
			<tx:method name="query*" propagation="SUPPORTS" read-only="true" />
        </tx:attributes>
    </tx:advice>

	<!-- 切面 -->
	<aop:config>
		<!-- 切入点表达式 -->
		<aop:pointcut expression="execution(* com.zl.service..*(..))" id="txPoint"/>
		<!-- 配置事务增强 -->
		<aop:advisor advice-ref="txAdvice" pointcut-ref="txPoint"/>
	</aop:config>

</beans>

1.6.2 springMvc.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"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-4.3.xsd">

    <!-- 配置Controller包扫描 -->
    <context:component-scan base-package="com.zl.controller"/>

    <!-- 配置注解驱动 -->
    <mvc:annotation-driven/>

    <!-- 配置视图解析器 -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!-- 前缀 -->
        <property name="prefix" value="/WEB-INF/jsp/"/>
        <!-- 后缀 -->
        <property name="suffix" value=".jsp"/>
    </bean>
</beans>

1.6.3 sqlMapConfig.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration
  PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
  "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>

	<settings>
		<setting name="mapUnderscoreToCamelCase" value="true"/>
	</settings>

	<typeAliases>
		<!-- 批量别名定义，扫描整个包下的类，别名为类名（大小写不敏感） -->
		<package name="com.zl.domain" />
	</typeAliases>
	
	<plugins>
		<!-- pageHelper分页插件配置 -->
		<plugin interceptor="com.github.pagehelper.PageInterceptor">
			<!-- 分页参数合理化 -->
			<property name="reasonable" value="true"/>
		</plugin>
	</plugins>

</configuration>

1.6.4 jdbc.properties

jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.jdbcUrl=jdbc:mysql://localhost:3306/ssm-demo
jdbc.user=root
jdbc.password=1234

1.6.5 log4j.properties

log4j.rootLogger=DEBUG, stdout

log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%5p [%t] - %m%n

1.6.6 web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns="http://java.sun.com/xml/ns/javaee"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
         id="WebApp_ID" version="2.5">
    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>

    <!-- Spring上下文的位置 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>

    <!-- Spring的监听器 -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <!-- SpringMVC前端控制器 -->
    <servlet>
        <servlet-name>dispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <!-- 此处不配置 默认找 /WEB-INF/[servlet-name]-servlet.xml -->
            <param-value>classpath:springMvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>dispatcherServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <!-- 字符编码过滤器，一定要放在所有过滤器之前 -->
    <filter>
        <filter-name>CharacterEncodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>utf-8</param-value>
        </init-param>
        <init-param>
            <param-name>forceRequestEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
        <init-param>
            <param-name>forceResponseEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>CharacterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

</web-app>

1.7 编写代码

1.7.1 domain代码

@Data
public class User implements Serializable {

    private static final long serialVersionUID = -7761320977621867375L;

    private Long id;
    private String username;
    private String password;
    private String nickName;
    private String telephone;
    private String email;
    private Date birthday;
    private String gender;
    private String status;
    private Date createTime;
    private Date updateTime;

}

1.7.2 dao代码

public interface UserDao {

    List<User> queryUsersList(User user);

    int queryUsersCount(User user);

    User queryUserById(Long id);

    List<User> queryUsers();

    List<User> queryUsersByIds(Long[] ids);

    void insertUser(User user);

    void updateUser(User user);

    void deleteUserById(Long id);

    void deleteUsersByIds(Long[] ids);

}

1.7.3 mapper文件

<?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.zl.dao.UserDao">

    <!-- 声明sql片段 -->
    <sql id="userColumns">
        id
        , username, password, nick_name, telephone, email, birthday, gender, status, create_time, update_time
    </sql>

    <!-- resultMap可以实现将查询结果映射为复杂类型的pojo，比如在查询结果映射对象中包括pojo和list实现一对一查询和一对多查询 -->
    <resultMap id="userResult" type="User">
        <id property="id" column="id"/>
        <result property="username" column="username"/>
        <result property="password" column="password"/>
        <result property="nickName" column="nick_name"/>
        <result property="telephone" column="telephone"/>
        <result property="email" column="email"/>
        <result property="birthday" column="birthday"/>
        <result property="gender" column="gender"/>
        <result property="status" column="status"/>
        <result property="createTime" column="create_time"/>
        <result property="updateTime" column="update_time"/>
        <!-- association ：配置一对一的关系 -->
        <!-- collection ：配置一对多的关系 -->
    </resultMap>

    <!-- 分页查询 -->
    <!-- 注意这里的 resultType 返回值类型是集合内存储数据的类型，不是 'list' -->
    <select id="queryUsersList" parameterType="User"
            resultMap="userResult">
        select
        <include refid="userColumns"/>
        from t_user
        <where>
            <if test="username != null and username != ''">
                and username like concat('%', #{username}, '%')
            </if>
            <if test="nickName != null and nickName != ''">
                and nick_name like concat('%', #{nickName}, '%')
            </if>
            <if test="telephone != null and telephone != ''">
                and telephone like concat('%', #{telephone}, '%')
            </if>
        </where>
    </select>

    <!-- 查询条数 -->
    <select id="queryUsersCount" parameterType="User"
            resultType="Integer">
        select count(1) from t_user
        <where>
            <if test="username != null and username != ''">
                and username like concat('%', #{username}, '%')
            </if>
            <if test="nickName != null and nickName != ''">
                and nick_name like concat('%', #{nickName}, '%')
            </if>
            <if test="telephone != null and telephone != ''">
                and telephone like concat('%', #{telephone}, '%')
            </if>
        </where>
    </select>

    <!-- 查询全部 -->
    <select id="queryUsers" parameterType="String" resultMap="userResult">
        select
        <include refid="userColumns"/>
        from t_user
    </select>

    <!-- 精确查询 -->
    <select id="queryUserById" parameterType="Long" resultMap="userResult">
        select
        <include refid="userColumns"/>
        from
        t_user where id = #{id}
    </select>

    <!-- 批量查询 -->
    <select id="queryUsersByIds" parameterType="Long" resultMap="userResult">
        select
        <include refid="userColumns"/>
        from
        t_user
        <where>
            <foreach collection="array" item="id" open="id in (" close=")"
                     separator=",">
                #{id}
            </foreach>
        </where>
    </select>

    <!-- 添加 -->
    <insert id="insertUser" parameterType="User">
        <!-- mysql自增主键返回，数据库表主键设置为自动递增 -->
        <selectKey keyProperty="id" keyColumn="id" order="AFTER" resultType="Long">
            select last_insert_id()
        </selectKey>
        insert into t_user
        (username, password, nick_name, telephone, email, birthday, gender, status, create_time, update_time)
        values (#{username}, #{password}, #{nickName}, #{email}, #{telephone}, #{birthday}, #{gender},
        #{status}, #{createTime},
        #{updateTime})
    </insert>

    <!-- 更新 -->
    <update id="updateUser" parameterType="User">
        update t_user
        <set>
            <if test="username != null and username != ''">
                username = #{username},
            </if>
            <if test="password != null and password != ''">
                password = #{password},
            </if>
            <if test="nickName != null and nickName != ''">
                nick_name = #{nickName},
            </if>
            <if test="telephone != null and telephone != ''">
                telephone = #{telephone},
            </if>
            <if test="email != null and email != ''">
                email = #{email},
            </if>
            <if test="birthday != null">
                birthday = #{birthday},
            </if>
            <if test="gender != null and gender != ''">
                gender = #{gender},
            </if>
            <if test="status != null and status != ''">
                status = #{status},
            </if>
            <if test="createTime != null">
                create_time = #{createTime},
            </if>
            <if test="updateTime != null">
                update_time = #{updateTime},
            </if>
        </set>
        where id = #{id}
    </update>

    <!-- 删除 -->
    <delete id="deleteUserById" parameterType="Long">
        delete
        from t_user
        where id = #{id}
    </delete>

    <!-- 批量删除 -->
    <delete id="deleteUsersByIds" parameterType="Long">
        delete from t_user
        <where>
            <!-- foreach标签，进行遍历 -->
            <!-- collection：遍历的集合-->
            <!-- item：遍历的项目，可以随便写，，但是和后面的#{}里面要一致 -->
            <!-- open：在前面添加的sql片段 -->
            <!-- close：在结尾处添加的sql片段 -->
            <!-- separator：指定遍历的元素之间使用的分隔符 -->
            <foreach collection="array" item="id" open="id in (" close=")"
                     separator=",">
                #{id}
            </foreach>
        </where>
    </delete>

    <!-- 根据用户名密码查询用户 -->
    <select id="queryUserByUsernameAndPassword" parameterType="User" resultMap="userResult">
        select
        <include refid="userColumns"/>
        from
        t_user
        <where>
            <if test="username != null and username != ''">
                and username = #{username}
            </if>
            <if test="password != null and password != ''">
                and password = #{password}
            </if>
        </where>
    </select>
</mapper>

1.7.4 service代码

public interface UserService {

    List<User> queryUsersList(User user);

    int queryUsersCount(User user);

    User queryUserById(Long id);

    List<User> queryUsers();

    List<User> queryUsersByIds(Long[] ids);

    void insertUser(User user);

    void updateUser(User user);

    void deleteUserById(Long id);

    void deleteUsersByIds(Long[] ids);

}

@Service
public class UserServiceImpl implements UserService {

    @Autowired
    private UserDao userDao;

    @Override
    public List<User> queryUsersList(User user) {
        return userDao.queryUsersList(user);
    }

    @Override
    public int queryUsersCount(User user) {
        return userDao.queryUsersCount(user);
    }

    @Override
    public User queryUserById(Long id) {
        return userDao.queryUserById(id);
    }

    @Override
    public List<User> queryUsers() {
        return userDao.queryUsers();
    }

    @Override
    public List<User> queryUsersByIds(Long[] ids) {
        return userDao.queryUsersByIds(ids);
    }

    @Override
    public void insertUser(User user) {
        userDao.insertUser(user);
    }

    @Override
    public void updateUser(User user) {
        userDao.updateUser(user);
    }

    @Override
    public void deleteUserById(Long id) {
        userDao.deleteUserById(id);
    }

    @Override
    public void deleteUsersByIds(Long[] ids) {
        userDao.deleteUsersByIds(ids);
    }

    @Override
    public User queryUserByUsernameAndPassword(User user) {
        return userDao.queryUserByUsernameAndPassword(user);
    }
}

1.7.5 controller代码

1.8 测试

@RunWith(SpringJUnit4ClassRunner.class)
@WebAppConfiguration
@ContextConfiguration(locations = {"classpath:applicationContext.xml"})
public class UserTest {

    @Autowired
    private UserDao userDao;

    @Test
    public void insert() {
        for (int i = 0; i < 20; i++) {
            User user = new User();
            user.setUsername("user" + i);
            user.setPassword("123456");
            user.setNickName("用户" + i);
            user.setCreateTime(new Date());
            userDao.insertUser(user);
        }
    }

    @Test
    public void update() {
        User user = userDao.queryUserById(2L);
        user.setUsername("hahaha");
        user.setUpdateTime(new Date());
        userDao.updateUser(user);
    }

    @Test
    public void deleteById() {
        userDao.deleteUserById(2L);
    }

    @Test
    public void deleteByIds() {
        userDao.deleteUsersByIds(new Long[]{3L, 4L});
    }

    @Test
    public void query() {
        // pageHelper分页的一种
        PageHelper.startPage(1, 10);
        PageHelper.orderBy("create_time desc");
        List<User> list = userDao.queryUsersList(new User());
        int count = userDao.queryUsersCount(new User());
        System.out.println(list);
        System.out.println(count);
    }
}

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Java教程

SSM整合（IDEA版）

1 环境准备

1.1 软件架构

1.2 创建数据库

1.3 Maven配置

1.4 创建工程

1.4 配置tomcat

1.5 添加Maven依赖

1.6 添加配置文件

1.6.1 applicationContext.xml

1.6.2 springMvc.xml

1.6.3 sqlMapConfig.xml

1.6.4 jdbc.properties

1.6.5 log4j.properties

1.6.6 web.xml

1.7 编写代码

1.7.1 domain代码

1.7.2 dao代码

1.7.3 mapper文件

1.7.4 service代码

1.7.5 controller代码

1.8 测试

前端开发

后端开发

移动端开发

数据库

服务器运维

人工智能

区块链

游戏开发

网站运营

大数据/云计算

软件工程

软件/开发工具使用

资讯