SpringMVC环境搭建

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2024-10-18 16:30:39 209人阅读

springmvc和stuts2相同是实现mvc的优秀框架，进行业务逻辑控制。最大的差别就是struts2通过filter拦截请求到Action。而spring用的是servlet获取请求到controller。再一个是springmvc不用过多进行配置，能够通过注解非常方便简单的进行开发。

SpringMVC+Spring+Hibernate环境搭建：

1 导入相应jar包：

2 在web.xml配置Spring的监听器，指定配置。配置SpringMVC的核心Servlet,指定哪些请求由SpringMVC的Controller处理。同一时候常常设置Spring的一个编码过滤器。指定编码格式防止乱码；

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_2_5.xsd" id="WebApp_ID" version="2.5">
  <display-name>SpringMVC</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>
   <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext.xml</param-value>
  </context-param>
  <servlet>
    <servlet-name>springmvc</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>springmvc</servlet-name>
    <url-pattern>*.do</url-pattern>
  </servlet-mapping>
  <filter>
    <filter-name>Character Encoding</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>Character Encoding</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
</web-app>

3 指定结果视图，须要指定controller所在的包，配置在web.xml的同级文件夹下

springmvc-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:p="http://www.springframework.org/schema/p"
    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">
        
        <context:component-scan base-package="com.mvc.controller"></context:component-scan>

	<bean id="viewResolver"
		class="org.springframework.web.servlet.view.UrlBasedViewResolver">
		<property name="viewClass"
			value=http://www.mamicode.com/"org.springframework.web.servlet.view.JstlView" />>
4 配置spring的applicationContext.xml.这里配置的是hibernate和spring整合的内容
applicationContext.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: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/aop
       http://www.springframework.org/schema/aop/spring-aop.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context.xsd">

	<context:component-scan base-package="com.mvc.dao,com.mvc.service,com.mvc.entity"></context:component-scan>
	<tx:annotation-driven transaction-manager="transactionManager" />
	
	<bean
		class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
		<property name="locations">
			<value>classpath:c3p0.properties</value>
		</property>
	</bean>
	<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
		<property name="driverClass" value=http://www.mamicode.com/"${driverClass}">>
c3p0.properties
driverClass=oracle.jdbc.driver.OracleDriver
jdbcUrl=jdbc:oracle:thin:@localhost:1521:XE
user=orcl
password=newsnews

5 dao层代码
package com.mvc.dao;

import java.util.List;

import com.mvc.entity.Goods;

public interface GoodsDao {
	void save(Goods goods);
	List<Goods> findAll();
	Goods findById(Integer id);
	void update(Goods goods);
	void delete(Goods goods);
}

package com.mvc.dao;

import java.util.List;

import javax.annotation.Resource;

import org.hibernate.SessionFactory;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import org.springframework.stereotype.Repository;

import com.mvc.entity.Goods;
@Repository(value=http://www.mamicode.com/"goodsDao")>
6 service层代码

package com.mvc.service;

import java.util.List;

import com.mvc.entity.Goods;

public interface GoodsService {
	void save(Goods goods);
	List<Goods> findAll();
	Goods findById(Integer id);
	void update(Goods goods);
	void delete(Goods goods);
}

package com.mvc.service;

import java.util.List;

import javax.annotation.Resource;

import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.mvc.dao.GoodsDao;
import com.mvc.entity.Goods;
@Service(value=http://www.mamicode.com/"goodsService")>
7 controller层代码，这里是被重定向的 RequestMapping须要设置GET方式

package com.mvc.controller;

import java.util.List;

import javax.annotation.Resource;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import com.mvc.entity.Goods;
import com.mvc.service.GoodsService;

@Controller
@RequestMapping(value=http://www.mamicode.com/"/Goods")>
8 jsp,在springmvc的controller里，假设给类加上RequestMapping,jsp跳进去总是存在和struts2的namespace类似路径问题。解决方案同样。就是在jsp中增加
 <%  
    String path=request.getContextPath();  
    String basePath=request.getScheme()+"://"+request.getServerName()+":"  
    +request.getServerPort()+path+"/";  
 %> 
<base href=http://www.mamicode.com/"">  
来解决。

index.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>Insert title here</title>
</head>
<body>
<form action="Goods/findAllGoods.do" method="get">

<input type="submit" value=http://www.mamicode.com/"go">>

goods_list.jsp
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    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" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<base href=http://www.mamicode.com/"">  >
goods_save.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>Insert title here</title>
</head>
<body>
<form action="Goods/saveGoods.do" method="post">
商品名称：<input type="text" name="goodsName"/><br>
商品数量：<input type="text" name="goodsNumber"/><br>
<input type="submit" value=http://www.mamicode.com/"go">>

goods_detail.jsp
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    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" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<base href=http://www.mamicode.com/"">  >

SpringMVC环境搭建

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SpringMVC环境搭建

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