SSM整合
案例
导入架包
<!-- https://mvnrepository.com/artifact/org.springframework/spring-beans --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>5.1.5.RELEASE</version> </dependency> <!-- https://mvnrepository.com/artifact/org.springframework/spring-context --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>5.1.5.RELEASE</version> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.16</version> </dependency> <dependency> <groupId>commons-logging</groupId> <artifactId>commons-logging</artifactId> <version>1.2</version> </dependency> <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjweaver --> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.9.2</version> </dependency> <!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>5.1.5.RELEASE</version> </dependency> <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.38</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.4.6</version> </dependency> <dependency> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-core</artifactId> <version>1.3.2</version> </dependency> <!--引入需要的ehcache插件--> <dependency> <groupId>net.sf.ehcache</groupId> <artifactId>ehcache</artifactId> <version>1.2.3</version> </dependency> <!--mybatis整合ehcache的jar--> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-ehcache</artifactId> <version>1.0.0</version> </dependency> <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.3.2</version> </dependency> <!-- https://mvnrepository.com/artifact/com.alibaba/druid --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.1.10</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.7.25</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>1.7.25</version> <scope>test</scope> </dependency> <!-- https://mvnrepository.com/artifact/com.alibaba/fastjson --> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.47</version> </dependency> <!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>5.1.5.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>5.1.5.RELEASE</version> </dependency> <dependency> <groupId>javaee</groupId> <artifactId>javaee-api</artifactId> <version>5</version> </dependency> <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>2.9.8</version> </dependency> <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.9.8</version> </dependency> <!-- https://mvnrepository.com/artifact/commons-io/commons-io --> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>2.4</version> </dependency> <!-- https://mvnrepository.com/artifact/commons-fileupload/commons-fileupload --> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.3.1</version> </dependency> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.1.0</version> <scope>provided</scope> </dependency>
applicationContext.xml配置文件
<!--扫描注解-->
<context:component-scan base-package="com.ssm"/>
<!--添加MVC支持-->
<mvc:annotation-driven/>
<!--配置视图解析器-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/"/>
<property name="suffix" value=".jsp"/>
</bean>
<!--释放静态资源-->
<mvc:default-servlet-handler/>
<!--加载配置文件-->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!--配置数据源-->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
<property name="driverClassName" value="${jdbc.driver}"/>
<property name="url" value="${jdbc.url}"/>
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</bean>
<!--SqlSessionFactory-->
<bean class="org.mybatis.spring.SqlSessionFactoryBean">
<!--加载数据源-->
<property name="dataSource" ref="dataSource"/>
<!--加载Mybatis配置文件-->
<property name="configLocation" value="classpath:mybatis-config.xml"/>
</bean>
<!--扫描Dao层-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.ssm.dao"/>
</bean>
<!--开启事务注解支持-->
<tx:annotation-driven/>
<!--事务管理器-->
<bean class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
jdbc.properties文件
jdbc.driver=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3306/smbms?useUniCode=true&characterEncoding=utf-8 jdbc.username=root jdbc.password=123
log4j.properties文件
### direct log messages to stdout ### 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=%d{ABSOLUTE} %5p %c{1}:%L - %m%n ### direct messages to file mylog.log ### log4j.appender.file=org.apache.log4j.FileAppender log4j.appender.file.File=:\\ss\\ssm\\mylog.log log4j.appender.file.layout=org.apache.log4j.PatternLayout log4j.appender.file.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n ### set log levels - for more verbose logging change 'info' to 'debug' ### log4j.rootLogger=debug, stdout,file ###log4j.logger.com.smbms.dao=debug, stdout,file
mybatis-config.xml文件
<!--根节点-->
<configuration>
<settings>
<!--log4j配置引入-->
<setting name="logImpl" value="LOG4J"/>
</settings>
<!--设置别名-->
<typeAliases>
<!--全局设置别名:默认以类名作为别名-->
<package name="com.ssm.entity"/>
</typeAliases>
<!--mappers 代表小配置集合-->
<mappers>
<!--<mapper resource="org/mybatis/example/BlogMapper.xml"/>-->
<package name="com.ssm.dao"/>
</mappers>
</configuration>
web.xml文件
<web-app>
<display-name>Archetype Created Web Application</display-name>
<filter>
<filter-name>characterEncodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<!--初始化参数-->
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<!--强制使用UTF-8编码-->
<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>
<!--中央调度器-->
<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:applicationContext.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>
entity包下Smbms_User类
public class Smbms_User implements Serializable {
private Integer id;
private String usercode;
private String username;
private String userpassword;
private Integer gender;
private Date birthday;
private String phone;
private String address;
private Integer userrole;
private Integer createdby;
private Date creationdate;
private Integer modifyby;
private Date modifydate;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getUsercode() {
return usercode;
}
public void setUsercode(String usercode) {
this.usercode = usercode == null ? null : usercode.trim();
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username == null ? null : username.trim();
}
public String getUserpassword() {
return userpassword;
}
public void setUserpassword(String userpassword) {
this.userpassword = userpassword == null ? null : userpassword.trim();
}
public Integer getGender() {
return gender;
}
public void setGender(Integer gender) {
this.gender = gender;
}
public Date getBirthday() {
return birthday;
}
public void setBirthday(Date birthday) {
this.birthday = birthday;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone == null ? null : phone.trim();
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address == null ? null : address.trim();
}
public Integer getUserrole() {
return userrole;
}
public void setUserrole(Integer userrole) {
this.userrole = userrole;
}
public Integer getCreatedby() {
return createdby;
}
public void setCreatedby(Integer createdby) {
this.createdby = createdby;
}
public Date getCreationdate() {
return creationdate;
}
public void setCreationdate(Date creationdate) {
this.creationdate = creationdate;
}
public Integer getModifyby() {
return modifyby;
}
public void setModifyby(Integer modifyby) {
this.modifyby = modifyby;
}
public Date getModifydate() {
return modifydate;
}
public void setModifydate(Date modifydate) {
this.modifydate = modifydate;
}
}
dao层包下Smbms_UserMapper接口
@Repository public interface Smbms_UserMapper { /*int deleteByPrimaryKey(Long id); int insert(Smbms_User record); int insertSelective(Smbms_User record); Smbms_User selectByPrimaryKey(Long id); int updateByPrimaryKeySelective(Smbms_User record); int updateByPrimaryKey(Smbms_User record);*/ @Select("select * from smbms_user where userCode=#{user_code} and userPassword=#{user_password}") public Smbms_User login(@Param("user_code") String user_code, @Param("user_password") String user_password); }
service层包下Smbms_UserService接口
public interface Smbms_UserService { public Smbms_User login(String user_code, String user_password); }
serviceimpl层包下的Smbms_UserServcieImpl类
@Service("smbms_UserService") public class Smbms_UserServcieImpl implements Smbms_UserService { //植入Dao层对象 @Resource private Smbms_UserMapper smbms_userMapper; //事务 /* @Transactional(isolation=Isolation.DEFAULT)*/ @Override public Smbms_User login(String user_code, String user_password) { return smbms_userMapper.login(user_code,user_password); } }
controller包下的Smbms_UserController类
@Controller @RequestMapping("/user") public class Smbms_UserController { //植入Service层分对象 @Resource private Smbms_UserService smbms_userService; @RequestMapping("/login") public String doLogin(Smbms_User smbms_user, HttpSession session){ Smbms_User user = smbms_userService.login(smbms_user.getUsercode(), smbms_user.getUserpassword()); if(user!=null){ session.setAttribute("user",user); return "welcome"; } return "login"; } }
login.jsp页面
<%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>登陆</title> </head> <body> <div> <form action="/user/login" method="post"> 用户名：<input type="text" name="usercode"/> 密码：<input type="password" name="userpassword"/> <input type="submit" value="登陆"/> </form> </div> </body> </html>
welcome.jsp页面
<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %> <html> <head> <title>欢迎</title> </head> <body> 欢迎光临：${user.username} </body> </html>
过滤器拦截案例
@WebFilter(urlPatterns = {"/*"})
public class LoginFilter implements Filter {
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
HttpServletRequest servletRequest=(HttpServletRequest) request;
if (servletRequest.getRequestURI().equals("/user/login")){
chain.doFilter(request,response);
}
Object user =servletRequest.getSession().getAttribute("user");
if (user==null){
servletRequest.getRequestDispatcher("login.jsp").forward(request,response);
}else {
chain.doFilter(request,response);
}
}
@Override
public void destroy() {
}
}
