springmvc配置

引用博客：

http://www.xuebuyuan.com/1404908.html

/article/9443942.html

先注意以下几点问题：

(1)maven建立web项目出不来src/main/resources和src/main/test文件夹解决方法：

在项目上右键选择properties，然后点击java build path，在Librarys下，编辑JRE System Library，选择workspace default jre就可以了。

(2)maven的pom.xml更改了,最好update project

(3)tomcat对里面的加载顺序：Context-Param—->Listener—->filter—->servlet

(4)前面加了/的表示绝对路径，比如你是写的/app,那么访问的路径就是http://localhost:8080/app;前面不加/表示相对路径，比如你写app,那么访问的路径就是http://localhost:8080/……/app其中省略部分是你填写该路径所在文件夹的路径。

(5)最好在webapp根目录下建立一个resources文件夹管理静态(css/img/js)资源文件

(1) web.xml文件

(2)spring-servlet.xml文件

(3)spring-hibernate.xml文件

(6)将web.xml的头改为3.0,修改如下

(7)pom.xml加入一个插件，使maven项目更新时保持java版本为1.8而不是1.5，具体可以看下面pom.xml

web.xml

<?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>
<!-- 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>spring</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<!-- 可以自定义servlet.xml配置文件的位置和名称，默认为WEB-INF目录下，名称为[<servlet-name>]-servlet.xml，如spring-servlet.xml
<init-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/spring-servlet.xml</param-value>
</init-param> -->
<param-name>contextConfigLocation</param-name>
<!--必须加*号，不然maven配置下找不到resources下的配置文件-->
<param-value>classpath*:spring-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
<async-supported>true</async-supported>
</servlet>
<servlet-mapping>
<servlet-name>spring</servlet-name>
<!-- 此处可以可以配置成*.do，对应struts的后缀习惯,这里是对所有路径进行拦截 -->
<url-pattern>/</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>/index.jsp</welcome-file>
</welcome-file-list>
<!-- 加载所有的配置文件 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath*:spring-*.xml</param-value>
</context-param>
<!-- 配置Session -->
<filter>
<filter-name>openSession</filter-name>
<filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter</filter-class>
<!-- 请注意，此处必须定义，否则后面会报错，具体是什么，笔者没截图，记不太清楚了 -->
<init-param>
<param-name>sessionFactoryBeanName</param-name>
<param-value>sessionFactory</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>openSession</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>

maven 不能设置为web3.0人解决方法:

首先在硬盘下找到 \项目名.setting\文件夹下的 org.eclipse.wst.common.project.facet.core.xml xml文件。

<?xml version="1.0" encoding="UTF-8"?>
<faceted-project>
<fixed facet="wst.jsdt.web"/>
<installed facet="jst.web" version="2.3"/>
<installed facet="wst.jsdt.web" version="1.0"/>
<installed facet="java" version="1.7"/>
</faceted-project>

将jst.web，的version改成3.0.

然后在eclipse里右键该工程–maven–updateProject即可。

spring-servlet.xml

<?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:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation=" http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<!-- 注解扫描包 -->
<context:component-scan base-package="com.xll" />
<!-- 开启注解 -->
<mvc:annotation-driven />
<!-- 视图解析，控制器执行页面跳转，我的页面除了index.jsp，其他的页面都在WEB-INF下，所以需要通过访问控制器来执行页面跳转，而不能直接进行访问，会自动帮你加上前缀/WEB-INF/jsp/，和后缀.jsp -->
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/"></property>
<property name="suffix" value=".jsp"></property>
</bean>
<!-- 完成请求和注解POJO的映射 -->
<bean
class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />
<!-- 声明DispatcherServlet不要拦截下面声明的目录，因为我们上面配置时是拦截所有路径 -->
<!-- 但是我们不希望静态资源(js/image/css)访问被拦截，因此要作如下配置，才能防止被DispatcherServlet拦截 -->
<!--我的所有静态资源都在webapp/resources/下面-->
<mvc:resources location="/resources/" mapping="/resources/**" />
</beans>

spring-hibernate.xml

<?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:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:tx="http://www.springframework.org/schema/tx"
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"> <tx:annotation-driven transaction-manager="txManager" />
<!-- 配置数据源 -->
<bean id="dataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
<property name="url" value="jdbc:mysql://localhost:3306/website"></property>
<property name="username" value="root"></property>
<property name="password" value=""></property>
</bean>
<!-- 配置SessionFactory -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.format_sql">true</prop>
</props>
</property>
<property name="annotatedClasses">
<list>
<!-- 可以加多个包 -->
<value>com.xll.entity.Test</value>
</list>
</property>
</bean>
<!-- 配置一个事务管理器 -->
<bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<!--  声明式容器事务管理 ,transaction-manager指定事务管理器为transactionManager -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="add*" propagation="REQUIRED" />
<tx:method name="get*" propagation="REQUIRED" />
<tx:method name="*" read-only="true" />
</tx:attributes>
</tx:advice>
</beans>

实体测试类

Test.java
package com.xll.entity;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name = "test")
public class Test {
@Id
@Column(length = 32)
private String id;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
}

控制器

LoginController.java
package com.xll.controller;
import javax.annotation.Resource;
import javax.servlet.http.HttpSession;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import com.xll.entity.User;
import com.xll.service.UserService;
@Controller
@RequestMapping("login")
public class LoginController {
@Resource
private UserService userService; //有接口写接口名
@RequestMapping(value = "loginFrame")
public String loginFrame() {
return "loginFrame";
}
@RequestMapping(value = "login")
//不是返回一个页面，需要加上@ResponseBody，@RequestParam传过来的参数接收
@ResponseBody
public String login(@RequestParam String username, @RequestParam String password, HttpSession req) {
User user = new User();
user.setUsername(username);
user.setPassword(password);
if (userService.checkUserLogin(user)) {
//只返回一个字符串
return "success";
} else {
//只返回一个字符串
return "fail";
}
}
}

业务逻辑接口

UserService.java
package com.xll.service;
import com.xll.entity.User;
public interface UserService {
boolean checkUserLogin(User user);
}

业务逻辑实现类

package com.xll.impl;
import javax.annotation.Resource;
import org.springframework.stereotype.Service;
import com.xll.dao.UserDao;
import com.xll.entity.User;
import com.xll.service.UserService;
@Service
public class UserServiceImp implements UserService {
@Resource
private UserDao userDao;
@Override
public boolean checkUserLogin(User user) {
if (userDao.checkUserLogin(user)) {
return true;
} else
return false;
}
}

数据访问层没用接口

package com.xll.dao;
import javax.annotation.Resource;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.stereotype.Repository;
import com.xll.entity.User;
@Repository
public class UserDao {
@Resource
private SessionFactory sessionFactory;
public boolean checkUserLogin(User user) {
Session session = sessionFactory.getCurrentSession();
//hibernae中不能写*，from 类名
User result = (User) session.createQuery("from User where username = ? and password = ?")
.setString(0, user.getUsername()).setString(1, user.getPassword()).uniqueResult();
session.close();
if (result != null)
return true;
return false;
}
}

登录页面loginFrame.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
<title>登录界面</title>
<link rel="stylesheet" type="text/css" href="../resources/css/login.css" />
</head>
<body>
<div class="login">
<div class="login-title">登录界面</div>
<div class="login-main">
<label>博主名:</label><input class="uname" type="text" /><br /> <label>密码:</label><input
class="pwd" type="text" /><br /> <input type="button"
class="loginButton" value="登录" />
</div>
</div>
<div class="status"></div>
<script src="../resources/js-extends/jquery.min.js"></script>
<script type="text/javascript">
$(".loginButton").click(
function() {
$.ajax({
type : "POST",
url : "login",
data : "username=" + $(".uname").val() + "&password="
+ $(".pwd").val(),
success : callback或者function(result){
$(".status").html(result);
}
});
});
function callback(result) {
//ajax请求刷新div，哪里改变刷新哪，什么都不写，页面保持不变
$(".status").html(result);
}
</script>
</body>
</html>

maven pom.xml文件

pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion>
<groupId>com.xll</groupId>
<artifactId>mavenproject</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>mavenproject Maven Webapp</name>
<url>http://maven.apache.org</url>
<build>
<finalName>mavenproject</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.4</version>
<configuration>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.2</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.38</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>4.2.4.RELEASE</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>4.2.15.Final</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.2.4.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>4.0.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>4.2.4.RELEASE</version>
</dependency>
</dependencies>
</project>

<a href="login/loginFrame"></a>就可以直接访问控制器，进行页面跳转了！