ssm框架理解

 1 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  2 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">  3  4 <modelVersion>4.0.0</modelVersion>  5 <name>LoginDemo</name>  6 <groupId>com.cyan</groupId>  7 <artifactId>ssm</artifactId>  8 <packaging>war</packaging>  9 <version>1.0-SNAPSHOT</version>  10 <url>http://maven.apache.org</url>  11  12  13 <build>  14 <finalName>ssm</finalName>  15 <plugins>  16 <!--mybatis 逆向工程插件-->  17 <plugin>  18 <groupId>org.mybatis.generator</groupId>  19 <artifactId>mybatis-generator-maven-plugin</artifactId>  20 <version>1.3.2</version>  21 <configuration>  22 <verbose>true</verbose>  23 <overwrite>true</overwrite>  24 </configuration>  25 </plugin>  26 <plugin>  27 <groupId>org.apache.maven.plugins</groupId>  28 <artifactId>maven-compiler-plugin</artifactId>  29 <configuration>  30 <source>1.6</source>  31 <target>1.6</target>  32 </configuration>  33 </plugin>  34 </plugins>  35 </build>  36  37  38 <properties>  39 <spring.version>4.1.1.RELEASE</spring.version>  40 </properties>  41  42  43  44 <dependencies>  45 <!-- springframe start -->  46 <dependency>  47 <groupId>org.springframework</groupId>  48 <artifactId>spring-core</artifactId>  49 <version>${spring.version}</version>  50 </dependency>  51  52 <dependency>  53 <groupId>org.springframework</groupId>  54 <artifactId>spring-web</artifactId>  55 <version>${spring.version}</version>  56 </dependency>  57  58 <dependency>  59 <groupId>org.springframework</groupId>  60 <artifactId>spring-oxm</artifactId>  61 <version>${spring.version}</version>  62 </dependency>  63  64 <dependency>  65 <groupId>org.springframework</groupId>  66 <artifactId>spring-tx</artifactId>  67 <version>${spring.version}</version>  68 </dependency>  69  70 <dependency>  71 <groupId>org.springframework</groupId>  72 <artifactId>spring-jdbc</artifactId>  73 <version>${spring.version}</version>  74 </dependency>  75  76 <dependency>  77 <groupId>org.springframework</groupId>  78 <artifactId>spring-webmvc</artifactId>  79 <version>${spring.version}</version>  80 </dependency>  81  82 <dependency>  83 <groupId>org.springframework</groupId>  84 <artifactId>spring-aop</artifactId>  85 <version>${spring.version}</version>  86 </dependency>  87  88 <dependency>  89 <groupId>org.springframework</groupId>  90 <artifactId>spring-context-support</artifactId>  91 <version>${spring.version}</version>  92 </dependency>  93  94 <dependency>  95 <groupId>org.springframework</groupId>  96 <artifactId>spring-test</artifactId>  97 <version>${spring.version}</version>  98 </dependency>  99 <!-- springframe end --> 100 101 <!--aspectj start--> 102 <dependency> 103 <groupId>org.aspectj</groupId> 104 <artifactId>aspectjweaver</artifactId> 105 <version>1.8.6</version> 106 </dependency> 107 108 <dependency> 109 <groupId>org.aspectj</groupId> 110 <artifactId>aspectjrt</artifactId> 111 <version>1.8.6</version> 112 </dependency> 113 <!--aspectj end--> 114 115 <!--c3p0--> 116 <dependency> 117 <groupId>com.mchange</groupId> 118 <artifactId>c3p0</artifactId> 119 <version>0.9.5.1</version> 120 </dependency> 121 122 <!--servlet/jsp api start--> 123 <dependency> 124 <groupId>javax.servlet</groupId> 125 <artifactId>servlet-api</artifactId> 126 <version>2.5</version> 127 </dependency> 128 129 <dependency> 130 <groupId>javax.servlet.jsp</groupId> 131 <artifactId>jsp-api</artifactId> 132 <version>2.1</version> 133 <scope>provided</scope> 134 </dependency> 135 <!--servlet/jsp api end--> 136 137 <!--junit4--> 138 <dependency> 139 <groupId>junit</groupId> 140 <artifactId>junit</artifactId> 141 <version>4.11</version> 142 <scope>test</scope> 143 </dependency> 144 145 <!--mybatis--> 146 <dependency> 147 <groupId>org.mybatis</groupId> 148 <artifactId>mybatis</artifactId> 149 <version>3.3.0</version> 150 </dependency> 151 <!--mybatis spring整合--> 152 <dependency> 153 <groupId>org.mybatis</groupId> 154 <artifactId>mybatis-spring</artifactId> 155 <version>1.2.3</version> 156 </dependency> 157 158 <!--mysql driver--> 159 <dependency> 160 <groupId>mysql</groupId> 161 <artifactId>mysql-connector-java</artifactId> 162 <version>5.1.6</version> 163 </dependency> 164 165 <!--jstl--> 166 <dependency> 167 <groupId>jstl</groupId> 168 <artifactId>jstl</artifactId> 169 <version>1.2</version> 170 </dependency> 171 172 </dependencies> 173 </project>

 1 <?xml version="1.0" encoding="UTF-8"?>  2 <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"  3 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  4 xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"  5 version="3.1">  6  7 <!-- Spring ApplicationContext 载入 -->  8 <listener>  9 <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> 10 </listener> 11 12 <!-- SpringMVC核心Servlet --> 13 <servlet> 14 <servlet-name>springMVC-config</servlet-name> 15 <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> 16 <init-param> 17 <param-name>contextConfigLocation</param-name> 18 <param-value>classpath:/WEB-INF/springMVC-config.xml</param-value> 19 </init-param> 20 </servlet> 21 22 <!-- 拦截所有请求 --> 23 <servlet-mapping> 24 <servlet-name>springMVC-config</servlet-name> 25 <url-pattern>/</url-pattern> 26 </servlet-mapping> 27 28 <!-- spring配置文件加载 --> 29 <context-param> 30 <param-name>contextConfigLocation</param-name> 31 <param-value>classpath:WEB-INF/spring-mybatis.xml</param-value> 32 </context-param> 33 34 </web-app>

 1 <?xml version="1.0" encoding="UTF-8"?>  2 <beans xmlns="http://www.springframework.org/schema/beans"  3 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  4 xmlns:p="http://www.springframework.org/schema/p"  5 xmlns:context="http://www.springframework.org/schema/context"  6 xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"  7 xsi:schemaLocation="http://www.springframework.org/schema/beans  8 http://www.springframework.org/schema/beans/spring-beans-3.2.xsd  9 http://www.springframework.org/schema/context 10 http://www.springframework.org/schema/context/spring-context-3.2.xsd 11 http://www.springframework.org/schema/tx 12 http://www.springframework.org/schema/tx/spring-tx-3.2.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd"> 13 14 <!-- 自动搜索bean --> 15 <context:annotation-config/> 16 <context:component-scan base-package="com.cyan" /> 17 18 <bean id="datasource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> 19 <property name="driverClassName" value="com.mysql.jdbc.Driver"/> 20 <property name="url" value="jdbc:mysql://localhost:3306/Demo"/> 21 <property name="username" value="root"/> 22 <property name="password" value="2233"/> 23 </bean> 24 25 <!-- mybatis核心bean --> 26 <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> 27 <property name="dataSource" ref="datasource"/> 28 <!-- 这句配置mapper配置文件的位置 如果采用注解的方式这句可以省去 --> 29 <!--<property name="mapperLocations" value="classpath:/WEB-INF/Mappers/*.xml" />--> 30 </bean> 31 32 <!-- 自动搜索mapper接口 --> 33 <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> 34 <property name="basePackage" value="com.cyan.Mapper" /> 35 </bean> 36 37 38 <!-- 事务处理 --> 39 <bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> 40 <property name="dataSource" ref="datasource"/> 41 </bean> 42 43 <tx:advice id="txAdvice" transaction-manager="txManager"> 44 <tx:attributes> 45 <tx:method name="insert*" propagation="REQUIRED"/> 46 <tx:method name="delete*" propagation="REQUIRED"/> 47 <tx:method name="update*" propagation="REQUIRED"/> 48 <tx:method name="select*" propagation="SUPPORTS"/> 49 </tx:attributes> 50 </tx:advice> 51 52 <aop:config> 53 <aop:pointcut id="serviceCut" expression="execution(public * Service.*.*(..))" /> 54 <aop:advisor pointcut-ref="serviceCut" advice-ref="txAdvice" /> 55 </aop:config> 56 57 58 </beans>

 1 <beans xmlns="http://www.springframework.org/schema/beans"  2 xmlns:context="http://www.springframework.org/schema/context"  3 xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  4 xsi:schemaLocation="  5 http://www.springframework.org/schema/beans  6 http://www.springframework.org/schema/beans/spring-beans-3.0.xsd  7 http://www.springframework.org/schema/context  8 http://www.springframework.org/schema/context/spring-context-3.0.xsd  9 http://www.springframework.org/schema/mvc 10 http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd"> 11 12 <!--spring可以自动去扫描base-pack下面或者子包下面的java文件， 13 如果扫描到有@Component @Controller@Service等这些注解的类，则把这些类注册为bean--> 14 <context:component-scan base-package="com.cyan.Controller"> 15 <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/> 16 <context:include-filter type="annotation" expression="org.springframework.web.bind.annotation.ControllerAdvice"/> 17 </context:component-scan> 18 19 <mvc:annotation-driven /> 20 <mvc:default-servlet-handler/> 21 22 <!-- 配置jsp文件的前后缀 “／”代表的是项目设定的Resource目录 --> 23 <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> 24 <property name="prefix" value="/"/> 25 <property name="suffix" value=".jsp" /> 26 </bean> 27 28 </beans>

 1 package com.cyan.Mapper;  2  3 import com.cyan.Model.User;  4 import org.apache.ibatis.annotations.Param;  5 import org.apache.ibatis.annotations.Select;  6  7 import javax.annotation.Resource;  8 import java.util.List;  9 10 /** 11  * Created by cyan on 16/3/29. 12 */ 13 14 public interface UserMapper { 15 @Select("select * from LoginDemo") 16 public List<User> selectUser(); 17 @Select("select * from LoginDemo where username=#{username}") 18 public List<User> selectUserByUsername(@Param("username")String username); 19 20 }

 1 package com.cyan.Entity;  2  3 /**  4  * Created by cyan on 16/3/29.  5 */  6 public class User {  7 private int id;  8 private String username,password,slogan;  9 10 public int getId() { 11 return id; 12  } 13 14 public void setId(int id) { 15 this.id = id; 16  } 17 18 public String getUsername() { 19 return username; 20  } 21 22 public void setUsername(String username) { 23 this.username = username; 24  } 25 26 public String getPassword() { 27 return password; 28  } 29 30 public void setPassword(String password) { 31 this.password = password; 32  } 33 34 public String getSlogan() { 35 return slogan; 36  } 37 38 public void setSlogan(String slogan) { 39 this.slogan = slogan; 40  } 41 42 }

 1 package com.cyan.Service;  2  3 import com.cyan.Entity.User;  4  5 /**  6  * Created by cyan on 16/3/31.  7 */  8 public interface IUserService {  9 public User getUserByName(String name); 10 public boolean verify(String username,String pwd); 11 }

 1 package com.cyan.Service;  2  3 import com.cyan.Mapper.UserMapper;  4 import com.cyan.Entity.User;  5 import org.springframework.beans.factory.annotation.Autowired;  6 import org.springframework.stereotype.Service;  7  8 /**  9  * Created by cyan on 16/3/31. 10 */ 11 12 @Service("userService") 13 public class UserService implements IUserService{ 14 15  @Autowired 16 private UserMapper userMapper; 17 18 public void setUserMapper(UserMapper userMapper) { 19 this.userMapper = userMapper; 20  } 21 22  @Override 23 public User getUserByName(String name) { 24 return userMapper.selectUserByUsername(name).get(0); 25  } 26 27  @Override 28 public boolean verify(String username, String pwd) { 29 if(userMapper.selectUserByUsername(username).get(0).getPassword().equals(pwd)) 30 return true; 31 else return false; 32  } 33 34 }

 1 package com.cyan.Controller;  2  3 import com.cyan.Service.IUserService;  4 import org.springframework.beans.factory.annotation.Autowired;  5 import org.springframework.stereotype.Controller;  6 import org.springframework.web.bind.annotation.RequestMapping;  7 import org.springframework.web.bind.annotation.RequestMethod;  8  9 import javax.servlet.http.HttpServletRequest; 10 import javax.servlet.http.HttpServletResponse; 11 12 /** 13  * Created by cyan on 16/3/29. 14 */ 15 16 @Controller 17 public class Login { 18 19  @Autowired 20 private IUserService userService; 21 22 @RequestMapping("/index") 23 public String index(){ 24 return "index"; 25  } 26 27 @RequestMapping(value ="/login",method = RequestMethod.POST) 28 public String login(HttpServletRequest req, HttpServletResponse resp){ 29 String username=req.getParameter("username"); 30 String pwd=req.getParameter("password"); 31 if(userService.verify(username,pwd)){ 32 req.getSession().setAttribute("user",userService.getUserByName(username)); 33 return "success"; 34  } 35 else return "index"; 36 37  } 38 }

 1 <%--  2  Created by IntelliJ IDEA.  3  User: cyan  4 Date: 16/3/29  5 Time: 15:55  6 To change this template use File | Settings | File Templates.  7 --%>  8 <%@ page contentType="text/html;charset=UTF-8" language="java" %>  9 <html> 10 <head> 11 <title>Login</title> 12 </head> 13 <body> 14 <form action="/login" method="post"> 15 用户名:<input type="text" name="username" id="username"/> 16 <br> 17 密码:<input type="password" name="password" id="password"/> 18 <br> 19 <input type="submit" value="登录"/> 20 </form> 21 </body> 22 </html>

 1 <%@ page import="com.cyan.Entity.User" %><%--  2  Created by IntelliJ IDEA.  3  User: cyan  4 Date: 16/3/31  5 Time: 23:45  6 To change this template use File | Settings | File Templates.  7 --%>  8 <%@ page contentType="text/html;charset=UTF-8" language="java" %>  9 <html> 10 <head> 11 <title>LoginSuccess</title> 12 </head> 13 <body> 14 登录成功! 15 <% 16 User user=(User)session.getAttribute("user"); 17 %> 18 用户名:<%=user.getUsername()%><br> 19 个性签名:<%=user.getSlogan()%><br> 20 </body> 21 </html>