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

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