SSM整合

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
             <!-- 表示开发的时候引入，发布的时候不会加载此包 -->  
            <scope>test</scope>
        </dependency>
        <!-- <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
        </dependency> -->
         <!-- spring核心包 -->  
        <dependency>  
            <groupId>org.springframework</groupId>  
            <artifactId>spring-core</artifactId>  
            <version>${spring.version}</version>  
        </dependency>  
        <dependency>  
            <groupId>org.springframework</groupId>  
            <artifactId>spring-web</artifactId>  
            <version>${spring.version}</version>  
        </dependency>  
        <dependency>  
            <groupId>org.springframework</groupId>  
            <artifactId>spring-oxm</artifactId>  
            <version>${spring.version}</version>  
        </dependency>  
        <dependency>  
            <groupId>org.springframework</groupId>  
            <artifactId>spring-tx</artifactId>  
            <version>${spring.version}</version>  
        </dependency>  
        <dependency>  
            <groupId>org.springframework</groupId>  
            <artifactId>spring-jdbc</artifactId>  
            <version>${spring.version}</version>  
        </dependency>  
        <dependency>  
            <groupId>org.springframework</groupId>  
            <artifactId>spring-webmvc</artifactId>  
            <version>${spring.version}</version>  
        </dependency>  
        <dependency>  
            <groupId>org.springframework</groupId>  
            <artifactId>spring-aop</artifactId>  
            <version>${spring.version}</version>  
        </dependency>  
        <dependency>  
            <groupId>org.springframework</groupId>  
            <artifactId>spring-context-support</artifactId>  
            <version>${spring.version}</version>  
        </dependency>  
  
        <dependency>  
            <groupId>org.springframework</groupId>  
            <artifactId>spring-test</artifactId>  
            <version>${spring.version}</version>  
        </dependency>  
        <!-- mybatis核心包 -->  
        <dependency>  
            <groupId>org.mybatis</groupId>  
            <artifactId>mybatis</artifactId>  
            <version>${mybatis.version}</version>  
        </dependency>  
         <!-- mybatis/spring包 -->  
        <dependency>  
            <groupId>org.mybatis</groupId>  
            <artifactId>mybatis-spring</artifactId>  
            <version>1.2.2</version>  
        </dependency>  
        
         <!-- 导入java ee jar 包 -->  
        <dependency>  
            <groupId>javax</groupId>  
            <artifactId>javaee-api</artifactId>  
            <version>7.0</version>  
        </dependency>  
        
         <!-- 导入Mysql数据库链接jar包 -->  
        <dependency>  
            <groupId>mysql</groupId>  
            <artifactId>mysql-connector-java</artifactId>  
            <version>5.1.36</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>1.2.2</version>  
        </dependency>  
        
        <!-- JSTL标签类 -->  
        <dependency>  
            <groupId>jstl</groupId>  
            <artifactId>jstl</artifactId>  
            <version>1.2</version>  
        </dependency>  
        <!-- 日志文件管理包 -->  
        <!-- log start -->  
        <dependency>  
            <groupId>log4j</groupId>  
            <artifactId>log4j</artifactId>  
            <version>${log4j.version}</version>  
        </dependency>  
          
          
        <!-- 格式化对象，方便输出日志 -->  
        <dependency>  
            <groupId>com.alibaba</groupId>  
            <artifactId>fastjson</artifactId>  
            <version>1.1.41</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 -->  
        <!-- 映入JSON -->  
        <dependency>  
            <groupId>org.codehaus.jackson</groupId>  
            <artifactId>jackson-mapper-asl</artifactId>  
            <version>1.9.13</version>  
        </dependency>  
        <!-- 上传组件包 -->  
        <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>1.9</version>  
        </dependency>  

    </dependencies>
    
    <build>
        <finalName>maven01</finalName>
        <plugins>
            <plugin>
                <groupId>org.eclipse.jetty</groupId>
                <artifactId>jetty-maven-plugin</artifactId>
                <version>9.2.8.v20150217</version>
                <configuration>
                    <httpConnector>
                        <port>80</port>
                    </httpConnector>
                    <stopKey>shutdown</stopKey>
                    <stopPort>9966</stopPort>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

<?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">  
    <!-- 自动扫描该包，使SpringMVC认为包下用了@controller注解的类是控制器 -->  
    <context:component-scan base-package="com.javen.controller" />  
    <!-- 扩充了注解驱动，可以将请求参数绑定到控制器参数 -->
    <mvc:annotation-driven/>
    <!-- 静态资源处理  css js imgs -->
    <mvc:resources location="/resources/**" mapping="/resources"/>
    
    <!--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>  
    <!-- 启动SpringMVC的注解功能，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>  
    <!-- 配置文件上传，如果没有使用文件上传可以不用配置，当然如果不配，那么配置文件中也不必引入上传组件包 -->  
    <bean id="multipartResolver"    
        class="org.springframework.web.multipart.commons.CommonsMultipartResolver">    
        <!-- 默认编码 -->  
        <property name="defaultEncoding" value="utf-8" />    
        <!-- 文件大小最大值 -->  
        <property name="maxUploadSize" value="10485760000" />    
        <!-- 内存中的最大值 -->  
        <property name="maxInMemorySize" value="40960" />    
        <!-- 启用是为了推迟文件解析，以便捕获文件大小异常 -->
        <property name="resolveLazily" value="true"/>
    </bean>   
    
    <!-- 配置ViewResolver 。可用多个ViewResolver 。使用order属性排序。   InternalResourceViewResolver 放在最后-->
    <bean class="org.springframework.web.servlet.view.ContentNegotiatingViewResolver">
    <property name="order" value="1"></property>
        <property name="mediaTypes">
            <map>
                <!-- 告诉视图解析器，返回的类型为json格式 -->
                <entry key="json" value="application/json" />
                <entry key="xml" value="application/xml" />
                <entry key="htm" value="text/htm" />
            </map>
        </property>
        <property name="defaultViews">
            <list>
                <!-- ModelAndView里的数据变成JSON -->
                <bean class="org.springframework.web.servlet.view.json.MappingJacksonJsonView" />
            </list>
        </property>
        <property name="ignoreAcceptHeader" value="true"></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>

<?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>  
    <!-- Spring和mybatis的配置文件 -->  
   <!--  <context-param>  
        <param-name>contextConfigLocation</param-name>  
        <param-value>classpath:spring-mybatis.xml</param-value>  
    </context-param>   -->
    <!-- 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监听器 -->  
   <!--  <listener>  
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>  
    </listener>   -->
    <!-- 防止Spring内存溢出监听器 -->  
    <!-- <listener>  
        <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>  
    </listener>  --> 
    <!-- 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>classpath: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>  
        <!-- 此处可以可以配置成*.do，对应struts的后缀习惯 -->  
        <url-pattern>/</url-pattern>  
    </servlet-mapping>  
    <welcome-file-list>  
        <welcome-file>/index.jsp</welcome-file>  
    </welcome-file-list>  
  
</web-app>

driver=com.mysql.jdbc.Driver
url=jdbc:mysql:///invoicingsystem
user=root
password=123

<?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:tx="http://www.springframework.org/schema/tx"
       xmlns:context="http://www.springframework.org/schema/context"
       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">
    <!--加載屬性文件-->
    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations">
            <array>
                <value>classpath*:*.properties</value>
            </array>
        </property>
    </bean>
    <!--配置数据源-->
    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="url" value="${url}"></property>
        <property name="driverClassName" value="${driver}"></property>
        <property name="username" value="${user}"></property>
        <property name="password" value="${password}"></property>
    </bean>
    <!--配置SqlSessionFactoryBean-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"></property>
        <property name="mapperLocations" value="classpath*:mapper/*.xml"></property>
        <property name="typeAliasesPackage" value="cn.Project.entity"></property>
        <property name="plugins">
            <array>
                <bean class="com.github.pagehelper.PageHelper">
                    <property name="properties">
                        <value>
                            <!-- 数据库方言 -->
                            dialect=mysql
                        </value>
                    </property>
                </bean>
            </array>
        </property>
    </bean>

    <!--包扫描-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="cn.Project"></property>
    </bean>

    <!--事务管理器-->
    <bean class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"></property>
    </bean>

    <!--开启各种注解配置-->
    <tx:annotation-driven/>
    <context:annotation-config/>
    <context:component-scan base-package="cn.Project"></context:component-scan>



</beans>

private int uid;
private String userName;
private String password;
private String realName;

@Repository("iUsersDao")
public interface IUsersDao {
    //登录
    Users getlogin(@Param("userName") String userName,@Param("password") String password);
}

<?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">
<!--namespace需要指向接口全路径-->
<mapper namespace="cn.Project.dao.IUsersDao">
    <!--登录-->
    <select id="getlogin" resultType="cn.Project.entity.Users">
      SELECT * FROM users WHERE userName=#{userName} AND PASSWORD=#{password}
    </select>
</mapper>

public interface IUsersService {
    //登录
    Users getlogin(String userName, String password);
}

@Service("iUsersService")
public class IUsersServiceImpl implements IUsersService {
    @Resource(name = "iUsersDao")
    private IUsersDao iUsersDao;


    @Override
    public Users getlogin(String userName, String password) {
        return iUsersDao.getlogin(userName,password);
    }
}