• spring4+mybatis3+maven


    简介

    在上一篇博文中,我们搭建了maven环境,现在我们就用maven搭个ssm框架,废话不多说,直接开始吧

    代码下载地址 链接:http://pan.baidu.com/s/1nvg42EH 密码:7bql

    1、new  一个maven project项目

    2、选择默认的工作空间

    2、选maven-archetype-webapp

    3.如图

    4、按照上面的步骤,就可以建一个maven project项目

     

    5、项目的jdk设置为 1.7

    6、刚开始index.jsp会报错,在pom.xml配置下 javaee-api包就就不会报错了

     二、开始整合ssm框架

    1.pom.xml 

    <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.jacky</groupId>
        <artifactId>maven_project</artifactId>
        <packaging>war</packaging>
        <version>0.0.1-SNAPSHOT</version>
        <name>maven_project Maven Webapp</name>
        <url>http://maven.apache.org</url>
        <!-- 用来设置版本号 -->
          <properties>
            <srping.version>4.0.2.RELEASE</srping.version>
            <mybatis.version>3.2.8</mybatis.version>
            <slf4j.version>1.7.12</slf4j.version>
            <log4j.version>1.2.17</log4j.version>
        </properties>
        <dependencies>
            <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>3.8.1</version>
                <scope>test</scope>
            </dependency>
            <dependency>
                <groupId>javax</groupId>
                <artifactId>javaee-api</artifactId>
                <version>7.0</version>
            </dependency>
            <!-- spring框架包 start -->
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-test</artifactId>
                <version>${srping.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-core</artifactId>
                <version>${srping.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-oxm</artifactId>
                <version>${srping.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-tx</artifactId>
                <version>${srping.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-jdbc</artifactId>
                <version>${srping.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-aop</artifactId>
                <version>${srping.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-context</artifactId>
                <version>${srping.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-context-support</artifactId>
                <version>${srping.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-expression</artifactId>
                <version>${srping.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-orm</artifactId>
                <version>${srping.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-web</artifactId>
                <version>${srping.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-webmvc</artifactId>
                <version>${srping.version}</version>
            </dependency>
            <!-- spring框架包 end -->
            <!-- mybatis框架包 start -->
            <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis</artifactId>
                <version>${mybatis.version}</version>
            </dependency>
            <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis-spring</artifactId>
                <version>1.2.2</version>
            </dependency>
            <!-- mybatis框架包 end -->
            <!-- 数据库驱动 -->
            <dependency>
                <groupId>mysql</groupId>
                <artifactId>mysql-connector-java</artifactId>
                <version>5.1.35</version>
            </dependency>
            <!-- 导入dbcp的jar包,用来在applicationContext.xml中配置数据库 -->
            <dependency>
                <groupId>commons-dbcp</groupId>
                <artifactId>commons-dbcp</artifactId>
                <version>1.4</version>
            </dependency>
            <!-- jstl标签类 -->
            <dependency>
                <groupId>jstl</groupId>
                <artifactId>jstl</artifactId>
                <version>1.2</version>
            </dependency>
            <!-- log start -->
            <dependency>
                <groupId>log4j</groupId>
                <artifactId>log4j</artifactId>
                <version>${log4j.version}</version>
            </dependency>
            <dependency>
                <groupId>org.slf4j</groupId>
                <artifactId>slf4j-api</artifactId>
                <version>${slf4j.version}</version>
            </dependency>
            <dependency>
                <groupId>org.slf4j</groupId>
                <artifactId>slf4j-log4j12</artifactId>
                <version>${slf4j.version}</version>
            </dependency>
            <!-- log END -->
            <!-- Json  -->
            <!-- 格式化对象,方便输出日志 -->
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>fastjson</artifactId>
                <version>1.2.6</version>
            </dependency>
            <dependency>
                <groupId>org.codehaus.jackson</groupId>
                <artifactId>jackson-mapper-asl</artifactId>
                <version>1.9.13</version>
            </dependency>
            <!-- 上传组件包 start -->
            <dependency>
                <groupId>commons-fileupload</groupId>
                <artifactId>commons-fileupload</artifactId>
                <version>1.3.1</version>
            </dependency>
            <dependency>
                <groupId>commons-io</groupId>
                <artifactId>commons-io</artifactId>
                <version>2.4</version>
            </dependency>
            <dependency>
                <groupId>commons-codec</groupId>
                <artifactId>commons-codec</artifactId>
                <version>1.10</version>
            </dependency>
            <!-- 上传组件包 end -->
            <dependency>  
                <groupId>org.aspectj</groupId>  
                <artifactId>aspectjweaver</artifactId>  
                <version>1.6.12</version>  
            </dependency> 
        </dependencies>
        <build>
            <plugins>
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <configuration>
                        <source>1.7</source>
                        <target>1.7</target>
                    </configuration>
                </plugin>
            </plugins>
            <finalName>maven_project</finalName>
        </build>
    </project>

    2、在src/main/resources目录下

    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:aop="http://www.springframework.org/schema/aop"  
        xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"  
        xmlns:jpa="http://www.springframework.org/schema/data/jpa"  
        xmlns:security="http://www.springframework.org/schema/security"  
        xsi:schemaLocation="  
            http://www.springframework.org/schema/aop   
            http://www.springframework.org/schema/aop/spring-aop-4.0.xsd  
            http://www.springframework.org/schema/security   
            http://www.springframework.org/schema/security/spring-security-3.2.xsd  
            http://www.springframework.org/schema/beans   
            http://www.springframework.org/schema/beans/spring-beans-4.0.xsd  
            http://www.springframework.org/schema/data/jpa   
            http://www.springframework.org/schema/data/jpa/spring-jpa-1.3.xsd  
            http://www.springframework.org/schema/tx   
            http://www.springframework.org/schema/tx/spring-tx-4.0.xsd  
            http://www.springframework.org/schema/context   
            http://www.springframework.org/schema/context/spring-context-3.1.xsd">
         <!-- 引入properties配置文件 -->
        <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
              <property name="location" value="classpath:jdbc.properties" />
        </bean>                   
        <!-- 使用注解式注入 -->
        <context:annotation-config />    
        <!-- 自动扫描 -->
        <context:component-scan base-package="com.jacky" />
        
        <!-- 配置数据源 -->
        <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
            <property name="driverClassName" value="${driver}" />
            <property name="url" value="${url}" />
            <property name="username" value="${username}" />
            <property name="password" value="${password}" />
            <!-- 初始化连接大小 -->
            <property name="initialSize" value="${initialSize}"></property>
            <!-- 连接池最大数量 -->
            <property name="maxActive" value="${maxActive}"></property>
            <!-- 连接池最大空闲 -->
            <property name="maxIdle" value="${maxIdle}"></property>
            <!-- 连接池最小空闲 -->
            <property name="minIdle" value="${minIdle}"></property>
            <!-- 获取连接最大等待时间 -->
            <property name="maxWait" value="${maxWait}"></property>
        </bean>
        <!-- spring和MyBatis完美整合,不需要mybatis的配置映射文件 -->
        <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
            <property name="dataSource" ref="dataSource" />
            <!-- 自动扫描mapping.xml文件 -->
            <property name="mapperLocations" value="classpath:com/jacky/entity/*.xml"></property>
        </bean>
        
         <!-- 使用JDBC事物 -->  
        <bean id="transactionManager"  class="org.springframework.jdbc.datasource.DataSourceTransactionManager">  
            <property name="dataSource" ref="dataSource" />  
        </bean>  
          
        <!-- AOP配置事物 -->  
        <tx:advice id="transactionAdvice" transaction-manager="transactionManager">  
            <tx:attributes>  
                <tx:method name="select*" read-only="true" propagation="REQUIRED" />  
                <tx:method name="delete*"  propagation="REQUIRED" />  
                <tx:method name="update*" propagation="REQUIRED" />  
                <tx:method name="insert*" propagation="REQUIRED" />  
                <tx:method name="*" propagation="REQUIRED" />  
            </tx:attributes>  
        </tx:advice>  
          
        <!-- 配置AOP切面 -->  
        <aop:config>  
            <aop:pointcut id="transactionPointcut" expression="execution(* com.jacky.service.*.*(..))"/>  
            <aop:advisor pointcut-ref="transactionPointcut" advice-ref="transactionAdvice"/>  
        </aop:config>
        <!-- DAO接口所在包名,Spring会自动查找其下的类 -->
        <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
             <!--basePackage指定要扫描的包,在此包之下的映射器都会被搜索到。
             可指定多个包,包与包之间用逗号或分号分隔-->
            <property name="basePackage" value="com.jacky.dao" />
            <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
        </bean>   
    </beans>

    jdbc.properties

    driver=com.mysql.jdbc.Driver
    url=jdbc:mysql://127.0.0.1:3306/test
    username=root
    password=admin
    initialSize=0
    maxActive=20
    maxIdle=20
    minIdle=1
    maxWait=60000

    log4j.properties

     ### 设置###
    log4j.rootLogger = info,D,E
    
    ### 输出信息到控制抬 ###
    ###log4j.appender.stdout = org.apache.log4j.ConsoleAppender
    ###log4j.appender.stdout.Target = System.out
    ###log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
    ###log4j.appender.stdout.layout.ConversionPattern = [%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%n
    
    ### 输出DEBUG 级别以上的日志到=E://logs/error.log ###
    log4j.appender.D = org.apache.log4j.ConsoleAppender
    log4j.appender.D.File = E://logs/log.log
    log4j.appender.D.Append = true
    log4j.appender.D.Threshold = info 
    log4j.appender.D.layout = org.apache.log4j.PatternLayout
    log4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss}  [ %t:%r ] - [ %p ]  %m%n
    
    ### 输出ERROR 级别以上的日志到=E://logs/error.log ###
    log4j.appender.E = org.apache.log4j.DailyRollingFileAppender
    log4j.appender.E.File =E://logs/error.log 
    log4j.appender.E.Append = true
    log4j.appender.E.Threshold = ERROR 
    log4j.appender.E.layout = org.apache.log4j.PatternLayout
    log4j.appender.E.layout.ConversionPattern =%-d{yyyy-MM-dd HH:mm:ss}  [ %t:%r ] - [ %p ]  %m%n

    2.web.xml文件

    <?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_3_0.xsd"  
        version="3.0">  
        <display-name>Archetype Created Web Application</display-name>  
          
        <welcome-file-list>  
            <welcome-file>/index.jsp</welcome-file>  
        </welcome-file-list>  
          
        <!-- 加载spring bean -->  
        <context-param>  
             <param-name>contextConfigLocation</param-name>  
            <param-value>classpath:applicationContext.xml</param-value>  
        </context-param>  
        <listener>  
            <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>  
        </listener>  
          
        <!-- 编码过滤器 -->  
        <filter>  
            <filter-name>encodingFilter</filter-name>  
            <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>  
            <async-supported>true</async-supported>  
            <init-param>  
                <param-name>encoding</param-name>  
                <param-value>UTF-8</param-value>  
            </init-param>  
        </filter>  
        <filter-mapping>  
            <filter-name>encodingFilter</filter-name>  
            <url-pattern>/*</url-pattern>  
        </filter-mapping>  
          
        <!-- Spring MVC servlet -->  
        <servlet>  
            <servlet-name>SpringMVC</servlet-name>  
            <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>  
            <init-param>  
                <param-name>contextConfigLocation</param-name>  
                <param-value>/WEB-INF/spring-mvc.xml</param-value>  
            </init-param>  
            <load-on-startup>1</load-on-startup>  
            <async-supported>true</async-supported>  
        </servlet>  
        <servlet-mapping>  
            <servlet-name>SpringMVC</servlet-name>  
            <url-pattern>*.action</url-pattern>  
        </servlet-mapping>  
          
    </web-app>  

    3、WEB-INF目录下下的spring-mvc.xml文件(其实也可以放在resources目录下)

    <?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:p="http://www.springframework.org/schema/p"
        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-3.1.xsd  
                            http://www.springframework.org/schema/context  
                            http://www.springframework.org/schema/context/spring-context-3.1.xsd  
                            http://www.springframework.org/schema/mvc  
                            http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
                            
        <!--避免IE执行AJAX时,返回JSON出现下载文件 -->
        <bean id="mappingJacksonHttpMessageConverter"
            class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">
            <property name="supportedMediaTypes">
                <list>
                    <value>text/html;charset=UTF-8</value>
                </list>
            </property>
        </bean>
        
         <!-- 添加注解驱动 -->  
        <mvc:annotation-driven />
        <mvc:default-servlet-handler/>
        
        <!-- 设置使用注解的类所在的包 -->
        <context:component-scan base-package="com.jacky.controller" />
        
        <!-- 完成请求和注解POJO的映射 -->
        <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
            <property name="messageConverters">
                <list>
                    <ref bean="mappingJacksonHttpMessageConverter" />    <!-- JSON转换器 -->
                </list>
            </property>
        </bean>
        
        <!-- 定义跳转的文件的前后缀 ,视图模式配置-->
        <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
            <!-- 这里的配置我的理解是自动给后面action的方法return的字符串加上前缀和后缀,变成一个 可用的url地址 -->
            <property name="prefix" value="/WEB-INF/jsp/" />
            <property name="suffix" value=".jsp" />
        </bean>
         
    
    </beans>

    4、userController.java文件

    package com.jacky.controller;
    
    import java.util.List;
    
    import javax.annotation.Resource;
    import javax.servlet.http.HttpServletRequest;
    
    import org.springframework.stereotype.Controller;
    import org.springframework.ui.Model;
    import org.springframework.web.bind.annotation.RequestMapping;
    
    import com.jacky.entity.User;
    import com.jacky.service.IUserService;
    
    
    
    @Controller
    @RequestMapping("/user")
    public class UserController {
    	@Resource
    	private IUserService userService;
    	
    	@RequestMapping("/userList")
    	public String userList(HttpServletRequest request,Model model){
    		List<User> uList = userService.getAllUser();
    		model.addAttribute("uList", uList);
    		return "userList";
    	}
    	
    	@RequestMapping("/showUser")
    	public String showUser(HttpServletRequest request,Model model){
    		int userId = Integer.parseInt(request.getParameter("id"));
    		User user = userService.getUserById(userId);
    		model.addAttribute("user", user);
    		return "showUser";
    	}
    	
    	@RequestMapping("/addUserUI")
    	public String addUserUI(){
    		return "addUser";
    	}
    	
    	@RequestMapping("/addUser")
    	public String addUser(HttpServletRequest request,Model model){
    		User user = new User();
    		user.setName(String.valueOf(request.getParameter("name")));
    		user.setPassword(String.valueOf(request.getParameter("password")));
    		user.setAge(Integer.parseInt(String.valueOf(request.getParameter("age"))));
    		userService.addUser(user);
    		return "redirect:/user/userList.action";
    	}
    }
    

    5、IUserDao.jave文件

    package com.jacky.dao;
    
    import java.util.List;
    import java.util.Map;
    import com.jacky.entity.User;
    
    
    public interface IUserDao {
    	
    	public User queryByPrimaryKey(Integer id);
    	
    	public List<User> queryUserByBatch(Map<String,Object> params);
    	
    	public void insertUser(User user);
    	
    	public void insertUserByBatch(List<User> list);
    	
    	public void deleteByPrimaryKey(Integer id);
    	
    	public void delteUserByBatch(Map<String,Object> params);
    	
    	public void updateByPrimaryKey(Integer id);
    	public List<User> getAllUser();
    	
    }
    

     6、User.java文件

    package com.jacky.entity;
    
    public class User {
        private Integer id;
    
        private String name;
    
        private String password;
    
        private 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 String getPassword() {
            return password;
        }
    
        public void setPassword(String password) {
            this.password = password == null ? null : password.trim();
        }
    
        public Integer getAge() {
            return age;
        }
    
        public void setAge(Integer age) {
            this.age = age;
        }
    }

    7、UserMapper.xml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.jacky.dao.IUserDao" >  
        <resultMap id="BaseResultMap" type="com.jacky.entity.User">
            <result column="id" property="id" jdbcType="INTEGER" />
            <result column="name" property="name" jdbcType="VARCHAR" />
            <result column="password" property="password" jdbcType="VARCHAR" />
            <result column="age" property="age" jdbcType="INTEGER" />
        </resultMap>
    
        <sql id="Base_Column_List">
            id, name, password, age
        </sql>
    
        <!-- 查询用户-->
        <select id="queryByPrimaryKey" resultMap="BaseResultMap"
            parameterType="java.lang.Integer">
            select
            <include refid="Base_Column_List" />
            from user
            where id = #{id,jdbcType=INTEGER}
        </select>
        
        <!-- 查询用户-->
        <select id="getAllUser" resultMap="BaseResultMap">
            select
            <include refid="Base_Column_List" />
            from user
        </select>
        
        <!-- 批量查询用户-->
        <select id="queryUserByBatch" resultMap="BaseResultMap"
            parameterType="java.util.Map">
            select
            <include refid="Base_Column_List" />
            from user
            where id in
            <foreach collection="idList" item="userId" index="index" open="(" separator="," close=")">
                 #{userId,jdbcType=DECIMAL}
            </foreach>
        </select>
        
        <!-- 插入用户 -->
        <insert id="insertUser" parameterType="com.jacky.entity.User">
            insert into user  
            <trim prefix="(" suffix=")" suffixOverrides="," >  
              <if test="id != null" >  
                id,  
              </if>  
              <if test="name != null" >  
                name,  
              </if>  
              <if test="password != null" >  
                password,  
              </if>  
              <if test="age != null" >  
                age,  
              </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>  
              <if test="age != null" >  
                #{age,jdbcType=INTEGER},  
              </if>  
            </trim>   
        </insert>
        
        <!-- 批量插入用户 -->
        <insert id="insertUserByBatch" parameterType="java.util.List" >
        insert into USER
           (ID,
            NAME,
            PASSWORD,
            AGE)
        select A.* from
             (
             <foreach collection="list" item="user" index="index" separator="union">
                 select 
                 #{user.id,jdbcType=INTEGER},
                 #{user.name,jdbcType=VARCHAR},
                 #{user.password,jdbcType=VARCHAR},
                 #{user.age,jdbcType=INTEGER}
                  from dual
             </foreach>
             ) A
          </insert>
    
        <!-- 删除用户 -->
        <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer">
            delete from user
            where id = #{id,jdbcType=INTEGER}  
          </delete>
          
          <!-- 批量删除用户 -->
        <delete id="deleteUserByBatch" parameterType="java.util.Map" >
         delete from user
         where id IN 
             <foreach item="ids" collection="iList" open="(" separator="," close=")">
                 #{ids,jdbcType=DECIMAL}
             </foreach>
        </delete>
    
        <!-- 更新用户 -->
        <update id="updateByPrimaryKey" parameterType="com.jacky.entity.User" >  
            update user  
            <set >  
              <if test="name != null" >  
                name = #{name,jdbcType=VARCHAR},  
              </if>  
              <if test="password != null" >  
                password = #{password,jdbcType=VARCHAR},  
              </if>  
              <if test="age != null" >  
                age = #{age,jdbcType=INTEGER},  
              </if>  
            </set>  
            where id = #{id,jdbcType=INTEGER} 
          </update>
      
    </mapper>

    8、IUserService.java文件

    package com.jacky.service;
    
    import java.util.List;
    
    import com.jacky.entity.User;
    
    public interface IUserService {
        
        public User getUserById(int userId);
    
        public void insertUser(User user);
    
        public void addUser(User user);
    
        public List<User> getAllUser();
    }

    9、UserServiceImpl.java

    package com.jacky.service.impl;
    
    import java.util.List;
    
    import javax.annotation.Resource;
    
    import org.springframework.stereotype.Service;
    
    import com.jacky.dao.IUserDao;
    import com.jacky.entity.User;
    import com.jacky.service.IUserService;
    
    @Service("userService")
    public class UserServiceImpl implements IUserService {
        @Resource
        private IUserDao userDao;
        
        public User getUserById(int userId) {
            return userDao.queryByPrimaryKey(userId);
        }
    
        public void insertUser(User user) {
            userDao.insertUser(user);
        }
    
        public void addUser(User user) {
            userDao.insertUser(user);
        }
    
        @Override
        public List<User> getAllUser() {
            return userDao.getAllUser();
        }
    
    }

    三、在WEB-INF下,新建jsp目录,用于放jsp

    1、adduser.jsp

    <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
    <%
    String path = request.getContextPath();
    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
    %>
    
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
      <head>
        <base href="<%=basePath%>">
        
        <title>My JSP 'addUser.jsp' starting page</title>
        
        <meta http-equiv="pragma" content="no-cache">
        <meta http-equiv="cache-control" content="no-cache">
        <meta http-equiv="expires" content="0">    
        <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
        <meta http-equiv="description" content="This is my page">
        <!--
        <link rel="stylesheet" type="text/css" href="styles.css">
        -->
    
      </head>
      
      <body>
        <form id="addUser" action="user/addUser.action" method="post"> 
            用户名: <input id="name" name="name" /><br/> 
            密码: <input id="password" name="password" /><br/> 
            年龄: <input id="age" name="age"/><br/> 
            <input type="submit" value="添加"/> 
        </form>
      </body>
    </html>

    2、showUser.jsp

    <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
    <%
    String path = request.getContextPath();
    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
    %>
    
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
      <head>
        <base href="<%=basePath%>">
        
        <title>My JSP 'showUser.jsp' starting page</title>
        
        <meta http-equiv="pragma" content="no-cache">
        <meta http-equiv="cache-control" content="no-cache">
        <meta http-equiv="expires" content="0">    
        <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
        <meta http-equiv="description" content="This is my page">
        <!--
        <link rel="stylesheet" type="text/css" href="styles.css">
        -->
    
      </head>
      
      <body>
        ${user.name }<br>
      </body>
    </html>

    3、userList.jsp

    <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
    <%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
    <%
    String path = request.getContextPath();
    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
    %>
    
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
      <head>
        <base href="<%=basePath%>">
        
        <title>My JSP 'showUser.jsp' starting page</title>
        
        <meta http-equiv="pragma" content="no-cache">
        <meta http-equiv="cache-control" content="no-cache">
        <meta http-equiv="expires" content="0">    
        <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
        <meta http-equiv="description" content="This is my page">
        <!--
        <link rel="stylesheet" type="text/css" href="styles.css">
        -->
    
      </head>
      
      <body>
        <c:forEach items="${uList }" var="u">
            用户名称:${u.name}
            用户年龄:${u.age }
            <br/>
        </c:forEach>
      </body>
    </html>

    项目的目录结构

    到了这里框架就搭建完成了,博主就不贴测试了

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  • 原文地址:https://www.cnblogs.com/520playboy/p/6200693.html
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