springMVC+spring+mybatis整合(包括文件上传和下载)
driver=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8&allowMultiQueries=true
user=LF
pwd=LF
<?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:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
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/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd"> <!-- 配置引用外部文件 -->
<context:property-placeholder location="/WEB-INF/config/jdbc.properties"/> <!-- 配置包扫描 -->
<context:component-scan base-package="cn.zr"></context:component-scan> <!-- 开启动态代理 -->
<aop:aspectj-autoproxy/>
<!-- 配置事务属性 -->
<tx:advice id="advice" transaction-manager="transactionManager">
<tx:attributes>
<!-- 所有已get开头的方法都是只读,换句话说,get开始的方法不参与事务-->
<tx:method name="get*" read-only="true" />
<tx:method name="*" rollback-for="java.lang.Throwing" />
</tx:attributes>
</tx:advice> <aop:config>
<!-- 配置切点 -->
<aop:pointcut expression="execution(* cn.zr.pringmvctest.service.impl.*.*(..))" id="pointcut"/>
<aop:advisor advice-ref="advice" pointcut-ref="pointcut" />
</aop:config> <!-- 配置数据源 -->
<bean id="dataSource"
class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="${driver}"/>
<property name="url" value="${url}"/>
<property name="username" value="${user}"/>
<property name="password" value="${pwd}"/>
</bean> <!-- 配置事务管理器 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean> <!-- mybatis配置 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="configLocation" value="/WEB-INF/config/mybatis-config.xml"/>
<property name="typeAliasesPackage" value="cn.zr.pringmvctest.pojo"/>
<property name="mapperLocations">
<list>
<value>classpath:cn/zr/pringmvctest/mapper/xml/*Mapper.xml</value>
</list>
</property>
</bean> <!-- mybatis 扫描 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="cn.zr.pringmvctest.mapper"/>
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
</bean>
</beans>
<?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> </configuration>
<?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:tx="http://www.springframework.org/schema/tx"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:aop="http://www.springframework.org/schema/aop"
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/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd" > <!-- 配置包扫描 -->
<context:component-scan base-package="cn.zr"/> <!-- 注解驱动 -->
<mvc:annotation-driven/> <!-- 拦截器 -->
<bean id="handler" class="cn.zr.pringmvctest.hander.TestHander"></bean>
<mvc:interceptors>
<mvc:interceptor>
<mvc:mapping path="/lf*"/>
<ref bean="handler"/>
</mvc:interceptor>
</mvc:interceptors> <!-- SpringMVC视图解析器 -->
<bean id="viewResolver" class="org.springframework.web.servlet.view.UrlBasedViewResolver">
<property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
<property name="prefix" value="/WEB-INF/jsp/"/>
<property name="suffix" value=".jsp"/>
</bean> <!-- org.springframework.web.multipart.commons.CommonsMultipartResolver.class commonsMultipartResolver -->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!-- 文件上传文件最大大小,单位byte -->
<property name="maxUploadSize" value="1200000000" />
</bean> </beans>
<?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="cn.zr.pringmvctest.mapper.UserMapper">
<!-- 配置数据库字段与实体类属性一一对应 -->
<resultMap type="cn.zr.pringmvctest.pojo.User" id="userMap">
<id column="name" property="username"/>
<result column="password" property="password"/>
</resultMap> <!-- 查询所有用户 -->
<select id="getAllUsers" resultMap="userMap">
SELECT name,password FROM user
</select> </mapper>
package cn.zr.pringmvctest.pojo; import java.util.Date; public class User { private String username;
private String password;
private Date date;
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public Date getDate() {
return date;
}
public void setDate(Date date) {
this.date = date;
}
public User() {
}
public User(String username, String password, Date date) {
this.username = username;
this.password = password;
this.date = date;
}
@Override
public String toString() {
return "User [username=" + username + ", password=" + password
+ ", date=" + date + "]";
} }
package cn.zr.pringmvctest.mapper; import java.util.List; import org.springframework.stereotype.Repository; import cn.zr.pringmvctest.pojo.User; @Repository
public interface UserMapper { /**
* 获取所有用户
* @return 用户集合
*/
public List<User> getAllUsers(); }
package cn.zr.pringmvctest.hander; import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse; import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
/**
* 拦截器
* @author lf
*
*/ public class TestHander implements HandlerInterceptor{ @Override
public void afterCompletion(HttpServletRequest arg0,
HttpServletResponse arg1, Object arg2, Exception arg3)
throws Exception {
System.out.println("afterCompletion..."); } @Override
public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1,
Object arg2, ModelAndView arg3) throws Exception {
System.out.println("postHandle...");
} @Override
public boolean preHandle(HttpServletRequest arg0, HttpServletResponse arg1,
Object arg2) throws Exception {
System.out.println("preHandle...");
return true;
} }
package cn.zr.pringmvctest; import java.io.PrintWriter;
import java.io.StringWriter;
import java.text.SimpleDateFormat;
import java.util.Date; import org.springframework.beans.propertyeditors.CustomDateEditor;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.InitBinder; public class SuperController { /**
* 设置错误默认视图
*/
private static String error_view="error"; /**
* 设置日期转换格式
*/
@InitBinder
public void binder(WebDataBinder binder){
System.out.println("进入binder方法...");
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
format.setLenient(false);
binder.registerCustomEditor(Date.class, new CustomDateEditor(format, false));
} /**
* 异常处理
*/
@ExceptionHandler(Exception.class)
public String handlerException(Exception exception) {
//将控制台数据的错误信息输出到StringWriter
StringWriter sw = new StringWriter();
System.out.println("==="+sw.toString()+"===");
exception.printStackTrace(new PrintWriter(sw)); // 可以在此将异常存到服务器 return error_view;
} public static void setError_view(String error_view) {
SuperController.error_view = error_view;
} }
package cn.zr.pringmvctest; import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
/**
* 其他描述:
* 1、拦截器 --------
* 2、异常处理
* 3、文件上传
* 4、集成
*
*/
@Controller
/*@RequestMapping("/login")*/
public class TestController { /**
* 拦截请求的映射路径
*/
@RequestMapping(value="/lf",method=RequestMethod.GET)
public String getInfo(){
return "test";
} }
package cn.zr.pringmvctest; import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod; @Controller
public class UploadController { @RequestMapping(value="/upload",method=RequestMethod.GET)
public String upload() {
return "upload";
}
}
package cn.zr.pringmvctest; import java.io.File;
import java.io.IOException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date; import javax.servlet.http.HttpServletRequest; import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile; @Controller
public class UploadhandlerController { @RequestMapping(value="/uploadhandler")
public String handlerFile(@RequestParam("image")MultipartFile img,HttpServletRequest request) {
System.out.println("上传图片......");
//进行文件上传
String path = request.getServletContext().getRealPath("/");
System.out.println(path); try {
img.transferTo(new File(path+(int)(Math.random()*10000000)+img.getName()));
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return "ok";
}
}
package cn.zr.pringmvctest; import java.util.List; import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest; import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam; import cn.zr.pringmvctest.pojo.User;
import cn.zr.pringmvctest.service.UserService; @Controller
public class UserController extends SuperController{ @Resource
private UserService userService; @RequestMapping(value="/login",method=RequestMethod.POST)
public String getInfo(@RequestParam("username")String username,User user, HttpServletRequest request) { System.out.println(user);
System.out.println(userService);
//取数据
List<User> users = userService.getAllUsers();
for (User user2 : users) {
System.out.println(user2);
}
// 将数据存入session
request.getSession().setAttribute("users", users);
//如果没有获取到数据,就去相应页面
if (users.isEmpty() || users.size() == 0) {
return "test";
} return "list";
}
}
package cn.zr.pringmvctest.service; import java.util.List; import cn.zr.pringmvctest.pojo.User; public interface UserService { /**
* 获取所有用户
* @return 用户集合
*/
List<User> getAllUsers(); }
package cn.zr.pringmvctest.service.impl; import java.util.List; import javax.annotation.Resource; import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service; import cn.zr.pringmvctest.mapper.UserMapper;
import cn.zr.pringmvctest.pojo.User;
import cn.zr.pringmvctest.service.UserService; @Service
public class UserServiceImpl implements UserService { @Resource
private UserMapper userMapper; @Override
public List<User> getAllUsers() {
System.out.println("userMapper"+userMapper);
return userMapper.getAllUsers();
} }
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head> <title>用户信息</title> </head> <body> <table>
<tr>
<th>用户名</th>
<th>密码</th>
</tr> <c:forEach items="${sessionScope.users }" var="user">
<tr>
<td>${user.username }</td>
<td>${user.password }</td>
</tr>
</c:forEach> </table> <p> </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>"> <title>My JSP 'ok.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
--> </head> <body>
上传成功
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head> <title>测试页面</title> </head> <body>
<h1>欢迎进入测试页面!</h1> <form action="login.test" method="post" >
用户:<input type="text" name="username"><br><br>
密码:<input type="password" name="password"><br><br>
日期:<input type="text" name="date"><br><br>
<input type="submit" value="提交">
</form> <br><br><br><br><br>
<a href="upload.test">上传文件页面</a>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head> <title>上传页面</title> </head> <body>
<form action="uploadhandler.test" method="post" enctype="multipart/form-data">
文件说明:<input type="text" name="text"><br><br>
上传:<input type="file" name="image"><br><br>
<input type="submit" name="提交">
</form>
</body>
</html>
<?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"
id="WebApp_ID" version="3.0"> <!-- 配置springmvc核心 Servlet-->
<servlet>
<servlet-name>pringmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- 配置文件加载的路径 -->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/config/spring_mvc.xml</param-value>
</init-param>
</servlet> <servlet-mapping>
<servlet-name>pringmvc</servlet-name>
<url-pattern>*.test</url-pattern>
</servlet-mapping>
<!-- END 配置springmvc核心 Servlet--> <!-- 配置过滤器 -->
<filter>
<filter-name>characterEncodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<!-- 设置编码格式 -->
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- END 配置过滤器 --> <!-- 配置spring的路径 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/config/applicationContext.xml</param-value>
</context-param> <!-- org.springframework.web.context.ContextLoaderListener.class 配置Spring监听器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- END 监听器 --> </web-app>
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