一、以用户注册和列出用户功能说明ssm如何整合
二、新建一个maven工程，大致模样如下
三、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.ssm</groupId> <artifactId>ssm-Integration</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>ssm-Integration Maven Webapp</name> <url>http://maven.apache.org</url> <!-- 集中定义依赖版本号 --> <properties> <junit.version>4.9</junit.version> <spring.version>4.2.6.RELEASE</spring.version> <mybatis.version>3.4.0</mybatis.version> <mybatis.spring.version>1.3.0</mybatis.spring.version> <mysql.version>6.0.2</mysql.version> <slf4j.version>1.7.20</slf4j.version> <druid.version>1.0.23</druid.version> <jstl.version>1.2</jstl.version> <servlet-api.version>3.1.0</servlet-api.version> <standard.version>1.1.2</standard.version> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>${junit.version}</version> <scope>test</scope> </dependency> <!-- 日志处理 --> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>${slf4j.version}</version> </dependency> <!-- Mybatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${mybatis.version}</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>${mybatis.spring.version}</version> </dependency> <!-- MySql --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>${mysql.version}</version> </dependency> <!-- 连接池 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>${druid.version}</version> </dependency> <!-- Spring --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-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-aspects</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <scope>test</scope> <version>${spring.version}</version> </dependency> <!-- JSP相关 --> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>${jstl.version}</version> </dependency> <dependency> <groupId>taglibs</groupId> <artifactId>standard</artifactId> <version>${standard.version}</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>${servlet-api.version}</version> <scope>provided</scope> </dependency> </dependencies> <build> <finalName>${project.artifactId}</finalName> <plugins> <!-- java编译插件 --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.5.1</version> <configuration> <source>1.8</source> <target>1.8</target> <encoding>UTF-8</encoding> </configuration> </plugin> <!-- 配置Tomcat插件 --> <plugin> <!-- 命令为clean tomcat7:run --> <groupId>org.apache.tomcat.maven</groupId> <artifactId>tomcat7-maven-plugin</artifactId> <configuration> <port>8888</port> <path>/</path> </configuration> <version>2.2</version> </plugin> </plugins> </build> </project>
四、web.xml
<?xml version="1.0" encoding="utf-8"?> <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" version="3.1" metadata-complete="true"> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring/springContext-*.xml</param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <servlet> <servlet-name>springMVC</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring/springMVC-servlet.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>springMVC</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <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>forceEncoding</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>
五、配置文件
1、src/main/resources/mybatis/mybatis-config.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>
<!-- 设置全局配置 -->
<settings>
<!-- 使用主键自增策略 -->
<setting name="useGeneratedKeys" value="true" />
<!-- select name as title from user 用于识别别名, -->
<setting name="useColumnLabel" value="true" />
<!-- 开启驼峰命名转换，如：table中(create_time)->entity(createTime)这样在sql语句中就不需要使用as来显式的去定义别名 -->
<setting name="mapUnderscoreToCamelCase" value="true" />
</settings>
</configuration>
2、src/main/resources/mybatis/mapper/User.xml
<?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.ssm.mapper.UserDao"> <insert id="save" parameterType="User"> insert into t_user values(null, #{username}, #{age}, #{date}) </insert> <update id="update"> update t_user set username=#{username}, age=#{age}, birthday=#{date} </update> <delete id="delete"> delete from t_user where id=#{id} </delete> <select id="getUsers" resultType="User"> select id, username, age, birthday as date from t_user </select> </mapper>
3、src/main/resources/resources/jdbc.properties
jdbc.driverClassName=com.mysql.cj.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3306/test?createDatabaseIfNotExist=true&useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=UTC jdbc.username=root jdbc.password=root
4、src/main/resources/spring/springContext-dao.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" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd"> <context:property-placeholder location="classpath:resources/*.properties" /> <!-- 数据源配置, 使用 Druid 数据库连接池 --> <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close"> <property name="driverClassName" value="${jdbc.driverClassName}" /> <!-- 基本属性 url、user、password --> <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> <!-- 配置初始化大小、最小、最大 --> <property name="initialSize" value="1" /> <property name="minIdle" value="1" /> <property name="maxActive" value="5" /> <!-- 配置获取连接等待超时的时间 --> <property name="maxWait" value="10000" /> </bean> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource"></property> <property name="configLocation" value="classpath:mybatis/mybatis-config.xml"></property> <!-- 定义别名,如果使用了mybatis的逆向工程，无需这个,因为配置文件是自动生成的，不用你写。 --> <property name="typeAliasesPackage" value="com.ssm.pojo"></property> <property name="mapperLocations" value="classpath:mybatis/mapper/*.xml"></property> <!-- 配置映射文件的位置，如果配置文件与mapper接口在同一个位置，可以不写 --> <!-- <property name="mapperLocations"> <array> <value>classpath:mybatis/mapper/User.xml</value> </array> </property> --> </bean> <!-- 将mybatis实现的接口注入到spring容器中 --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property> <property name="basePackage" value="com.ssm.mapper"></property> </bean> </beans>
5、src/main/resources/spring/springContext-service.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" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd"> <!-- 扫描这个包下以及子包的内容 --> <context:component-scan base-package="com.ssm.service"></context:component-scan> </beans>
6、src/main/resources/spring/springContext-trascation.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" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd"> <aop:config> <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.ssm.service..*.*(..))" /> </aop:config> <tx:advice id="txAdvice" transaction-manager="txManager"> <tx:attributes> <!-- 传播行为REQUIRED时，有实物就是用但钱事务，没有就自动创建一个新的事务 --> <tx:method name="save*" propagation="REQUIRED" /> <tx:method name="delete*" propagation="REQUIRED" /> <tx:method name="update*" propagation="REQUIRED" /> <!-- SUPPORTS有事务就支持事务，没有就没有 --> <tx:method name="*" propagation="SUPPORTS" read-only="true" /> </tx:attributes> </tx:advice> <bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean> </beans>
7、src/main/resources/spring/springMVC-servlet.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" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd"> <context:component-scan base-package="com.ssm.controller"></context:component-scan> <bean id="formattingConversionService" class="org.springframework.format.support.FormattingConversionServiceFactoryBean"> <property name="formatters"> <set> <bean class="com.ssm.convert.DateFormatter"> <constructor-arg name="datePattern" value="yyyy-MM-dd"></constructor-arg> </bean> </set> </property> </bean> <!-- 开启mvc注解，可使用@DateTimeFormat,@NumberFormat --> <mvc:annotation-driven conversion-service="formattingConversionService"></mvc:annotation-driven> <mvc:resources location="/WEB-INF/css/" mapping="/css/**"></mvc:resources> <bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"></property> <property name="prefix" value="/WEB-INF/jsp/"></property> <property name="suffix" value=".jsp"></property> </bean> </beans>
8、src/main/resources/log4j.properties
log4j.rootLogger=DEBUG,A1 log4j.logger.org.mybatis = DEBUG log4j.appender.A1=org.apache.log4j.ConsoleAppender log4j.appender.A1.layout=org.apache.log4j.PatternLayout log4j.appender.A1.layout.ConversionPattern=%-d{yyyy-MM-dd HH:mm:ss,SSS} [%t] [%c]-[%p] %m%n
六、Java文件
1、com.ssm.pojo.User
package com.ssm.pojo; import java.util.Date; public class User { private int id; private String username; private int age; private String password; private Date date; public User(String username, int age, String password, Date date) { this.username = username; this.age = age; this.password = password; this.date = date; } public User() { } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public int getId() { return id; } public void setId(int id) { this.id = id; } public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public int getAge() { return age; } public void setAge(int age) { this.age = age; } public Date getDate() { return date; } public void setDate(Date date) { this.date = date; } }
2、com.ssm.controller.UserController
package com.ssm.controller; import java.util.List; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.bind.annotation.RequestMapping; import com.ssm.pojo.User; import com.ssm.service.UserService; @Controller @RequestMapping("/user") public class UserController { @Autowired private UserService userService; public UserController() { } @RequestMapping("/register") public String save(@ModelAttribute("user") User user) { int row = userService.save(user); if(row > 0) { return "success"; } return "register"; } @RequestMapping("/index") public String register() { return "register"; } @RequestMapping("/list") public String list_user(Model model) { List<User> users = userService.getUsers(); model.addAttribute("users", users); return "userList"; } }
3、com.ssm.service.UserService
package com.ssm.service; import java.util.List; import com.ssm.pojo.User; public interface UserService { int save(User user); int update(User user); List<User> getUsers(); User validateUser(User user); int delete(int id); int register(User user); }
4、com.ssm.service.impl.UserService
package com.ssm.service.impl; import java.util.Collections; import java.util.List; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import com.ssm.mapper.UserDao; import com.ssm.pojo.User; import com.ssm.service.UserService; @Service public class UserServiceImpl implements UserService { @Autowired private UserDao userDao; @Override public int save(User user) { return userDao.save(user); } @Override public int update(User user) { return userDao.update(user); } @Override public User validateUser(User user) { return userDao.validateUser(user); } @Override public int delete(int id) { return userDao.delete(id); } @Override public int register(User user) { return userDao.register(user); } @Override public List<User> getUsers() { List<User> users = userDao.getUsers(); if(null == users) { users = Collections.emptyList(); } return users; } }
5、com.ssm.mapper.UserDao
package com.ssm.mapper; import java.util.List; import com.ssm.pojo.User; public interface UserDao { int save(User user); int update(User user); List<User> getUsers(); User validateUser(User user); int delete(int id); int register(User user); }
6、com.ssm.convert.DateFormatter
package com.ssm.convert; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; import org.springframework.format.Formatter; public class DateFormatter implements Formatter<Date> { private String datePattern; private SimpleDateFormat simpleDateFormat = null; public DateFormatter(String datePattern) { this.datePattern = datePattern; } @Override public String print(Date date, Locale locale) { simpleDateFormat = new SimpleDateFormat(datePattern); String dateStr = simpleDateFormat.format(date); return dateStr; } @Override public Date parse(String dateStr, Locale locale) throws ParseException { simpleDateFormat = new SimpleDateFormat(datePattern); Date date = simpleDateFormat.parse(dateStr); return date; } }
七、view文件
1、register.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <style type="text/css"> #register { 400px; height:400px; margin:0 auto; padding:10px; background-color: green; } #register form { margin-top:80px } #register div { padding:10px; text-align:center; } </style> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> </head> <body> <div id="register"> <form action="/user/register" method="post"> <div>用户名:<input type="text" name="username" /></div> <div>年 龄:<input type="text" name="age" /></div> <div>密 码:<input type="password" name="password" /></div> <div>生 日:<input type="text" name="date" /></div> <div><input type="submit" value="提交" /></div> </form> </div> </body> </html>
2、success.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> </head> <body> 恭喜${user.username },注册成功！ </body> </html>
3、userList.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>user list</title>
<!-- 引入的是bootstrap的css样式 --> <link rel="stylesheet" href="/css/bootstrap.min.css"> <style type="text/css"> #main{ 400px; margin:0 auto; } </style> </head> <body> <div id="main"> <table class="table table-bordered table-hover table-condensed"> <caption style="text-align:center; font-size:18px;">user list</caption> <tr> <th>姓名</th> <th>年龄</th> <th>生日</th> </tr> <c:forEach items="${users }" var="t_user"> <tr> <td>${t_user.username }</td> <td>${t_user.age }</td> <td><fmt:formatDate value="${t_user.date }" pattern="yyyy-MM-dd" /></td> </tr> </c:forEach> </table> </div> </body> </html>
八、在项目上右击debug as 输入clean tomcat7：run运行
1、http://localhost:8888/user/index
2、http://localhost:8888/user/list
