一次完整请求的日志：

各种配置文件：

spring-mvc.xml

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="" rel="nofollow"" target="_blank">"

xmlns:xsi=" xmlns:mvc="" rel="nofollow"" target="_blank">"

xmlns:context="" rel="nofollow"" target="_blank">"

xmlns:aop="" rel="nofollow"" target="_blank">"

xsi:schemaLocation=" /spring-beans.xsd  /spring-mvc.xsd  /spring-context.xsd  /spring-aop.xsd">

<mvc:annotation-driven>

<mvc:message-converters>

<bean class="org.springframework.http.converter.ByteArrayHttpMessageConverter"/>

<bean class="org.springframework.http.converter.FormHttpMessageConverter"/>

<bean class="org.springframework.http.converter.xml.SourceHttpMessageConverter"/>

<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"/>

</mvc:message-converters>

</mvc:annotation-driven>

<!-- 使用annotation 自动注册bean,并保证@Required,@Autowired的属性被注入 -->

<mvc:annotation-driven/>

<context:component-scan base-package="com.commoninfo.user.controller">

<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>

</context:component-scan>

<aop:aspectj-autoproxy proxy-target-class="true">

<aop:include name="controllerAspect"/>

</aop:aspectj-autoproxy>

<!-- 避免IE执行AJAX时,返回JSON出现下载文件 -->

<!-- 支持JSON数据格式 -->

<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">

<property name="messageConverters">

<list>

<ref bean="mappingJacksonHttpMessageConverter"/>

</list>

</property>

</bean>

<bean id="mappingJacksonHttpMessageConverter"

class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">

</bean>

<!-- 对模型视图名称的解析，即在模型视图名称添加前后缀 -->

<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">

<property name="prefix" value="/WEB-INF/view/"/>

<property name="suffix" value=".jsp"/>

</bean>

<!--处理静态资源-->

<mvc:default-servlet-handler/>

</beans>

spring-mybatis.xml：

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="" rel="nofollow"" target="_blank">" xmlns:context="" rel="nofollow"" target="_blank">"

xmlns:xsi=" xmlns:tx="" rel="nofollow"" target="_blank">"

xsi:schemaLocation=" /spring-context.xsd  /spring-tx.xsd

/spring-beans-2.5.xsd">

<!--引入属性文件-->

<context:property-placeholder location="classpath:/jdbc.properties"/>

<context:component-scan base-package="com.commoninfo.user.service"/>

<!--配置数据源-->

<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">

<property name="driverClass" value="${database.driver}"/>

<property name="jdbcUrl" value="${database.url}"/>

<property name="user" value="${database.username}"/>

<property name="password" value="${database.password}"/>

<property name="minPoolSize" value="1"/>

<property name="maxPoolSize" value="20"/>

<property name="maxIdleTime" value="1800"/>

<property name="acquireIncrement" value="2"/>

<property name="maxStatements" value="0"/>

<property name="initialPoolSize" value="2"/>

<property name="idleConnectionTestPeriod" value="1800"/>

<property name="acquireRetryAttempts" value="30"/>

<property name="breakAfterAcquireFailure" value="true"/>

<property name="testConnectionOnCheckout" value="false"/>

</bean>

<!--mybatis文件-->

<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">

<property name="dataSource" ref="dataSource"/>

<!--自动扫描entity目录-->

<property name="configLocation" value="classpath:mybatis-config.xml"/>

<property name="mapperLocations" value="classpath*:com/commoninfo/user/**/*.xml"/>

</bean>

<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">

<property name="basePackage" value="com.commoninfo.user.dao"/>

<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>

</bean>

<!-- 配置事务管理器 -->

<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

<property name="dataSource" ref="dataSource"/>

</bean>

<!-- 配置事物的注解方式注入 -->

<tx:annotation-driven transaction-manager="transactionManager"/>

</beans>

web.xml的内容：

<!DOCTYPE web-app PUBLIC

"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"

" >

<web-app>

<display-name>Archetype Created Web Application</display-name>

<!-- Spring-mybatis的配置文件 -->

<context-param>

<param-name>contextConfigLocation</param-name>

<param-value>classpath:spring-mybatis.xml</param-value>

</context-param>

<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>2</load-on-startup>

</servlet>

<servlet-mapping>

<servlet-name>SpringMVC</servlet-name>

<url-pattern>*.do</url-pattern>

</servlet-mapping>

<!--字符过滤器-->

<filter>

<filter-name>encodingFilter</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>

</filter>

<filter-mapping>

<filter-name>encodingFilter</filter-name>

<url-pattern>/*</url-pattern>

</filter-mapping>

<listener>

<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>

</listener>

<welcome-file-list>

<welcome-file>index.jsp</welcome-file>

</welcome-file-list>

<!--404错误页-->

<error-page>

<error-code>404</error-code>

<location>/WEB-INF/view/404.jsp</location>

</error-page>

</web-app>

index.jsp的内容：

<%--

Created by IntelliJ IDEA.

User: zhulongkun

Date: 2018/3/18

Time: 14:06

To change this template use File | Settings | File Templates.

--%>

<%@ page contentType="text/html;charset=UTF-8" language="java" pageEncoding="UTF-8" %>

<html>

<head>

<title>登录测试</title>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

</head>

<body>

<div align="center">

<form action="/test/dologin.do" method="post">

<table>

<tr>

<td><label>用户名</label></td>

<td><label>

<input type="text" name="username" style="width: 180px;"/>

</label></td>

</tr>

<tr>

<td><label>密 码</label></td>

<td><label>

<input type="password" name="password" style="width: 180px;"/>

</label></td>

</tr>

<tr>

<td><input type="submit" name="login" value="登录"/></td>

<td><input id="registerBtn" type="button" name="register" value="注册"/></td>

</tr>

</table>

</form>

</div>

</body>

</html>

controller.java：

复制代码

package com.commoninfo.user.controller;

import com.commoninfo.user.entity.User;

import com.commoninfo.user.service.UserService;

import org.apache.log4j.Logger;

import org.springframework.stereotype.Controller;

import org.springframework.ui.Model;

import org.springframework.web.bind.annotation.RequestMapping;

import javax.annotation.Resource;

import javax.servlet.http.HttpServletRequest;

/**

* @author zhulongkun20@163.com

* @date 2018/3/18 13:56

*/

@Controller

@RequestMapping("/test")

public class LoginController {

private static Logger logger = Logger.getLogger(LoginController.class);

@Resource

private UserService userService;

@RequestMapping(value = "/dologin.do")

public String doLogin(HttpServletRequest httpServletRequest, Model model) {

User user = userService.getUsersByUsername(

httpServletRequest.getParameter("username")).get(0);

logger.info("User的信息为：" + user.toString());

if (userService.doUserLogin(user)) {

model.addAttribute("successMsg", "登录成功！");

model.addAttribute("username", user.getUsername());

logger.info("successMsg:" + model.containsAttribute("successMsg"));

logger.info("username:" + model.containsAttribute("username"));

return "success";

} else {

model.addAttribute("failedMsg", "用户名或密码错误！");

logger.info("failedMsg:" + model.containsAttribute("failedMsg"));

return "failed";

}

}

}