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  • SpringMVC基础-14-SpringMVC与Spring整合

    代码示例：

    BookController.java:

     1 package com.atguigu.controller;
 2 
 3 import org.springframework.beans.factory.annotation.Autowired;
 4 import org.springframework.stereotype.Controller;
 5 import org.springframework.web.bind.annotation.RequestMapping;
 6 
 7 import com.atguigu.service.BookService;
 8 
 9 @Controller
10 public class BookController {
11     
12     @Autowired
13     private BookService bookService;
14     
15     public BookController(){
16         System.out.println("BookController...");
17     }
18     
19     @RequestMapping("/hello")
20     public String hello(){
21         System.out.println(bookService);
22         return "forward:/index.jsp";
23     }
24 
25 }

    HahaController.java:

    1 package com.atguigu.controller;
2 
3 import org.springframework.stereotype.Controller;
4 
5 @Controller
6 public class HahaController {
7 
8 }

    BookService.java:

     1 package com.atguigu.service;
 2 
 3 import org.springframework.stereotype.Service;
 4 
 5 @Service
 6 public class BookService {
 7     
 8     public BookService(){
 9         System.out.println("BookService....");
10     }
11 
12 }

    HahaService.java:

     1 package com.atguigu.service;
 2 
 3 import org.springframework.beans.factory.annotation.Autowired;
 4 import org.springframework.stereotype.Service;
 5 
 6 import com.atguigu.controller.HahaController;
 7 
 8 @Service
 9 public class HahaService {
10     
11     //@Autowired
12     //HahaController hahaController;
13 
14 }

    spring.xml:

     1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4     xmlns:context="http://www.springframework.org/schema/context"
 5     xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
 6         http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd">
 7     <context:component-scan base-package="com.atguigu">
 8         <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
 9         <context:exclude-filter type="annotation" expression="org.springframework.web.bind.annotation.ControllerAdvice"/>
10     </context:component-scan>
11 
12 </beans>

    springmvc.xml:

     1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4     xmlns:context="http://www.springframework.org/schema/context"
 5     xmlns:mvc="http://www.springframework.org/schema/mvc"
 6     xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
 7         http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
 8         http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd">
 9 
10     <context:component-scan base-package="com.atguigu" use-default-filters="false">
11         <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
12         <context:include-filter type="annotation" expression="org.springframework.web.bind.annotation.ControllerAdvice"/>
13     </context:component-scan>
14 
15 </beans>

    web.xml:

     1 <?xml version="1.0" encoding="UTF-8"?>
 2 <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">
 3   <display-name>7.SpringMVC_crud</display-name>
 4   <welcome-file-list>
 5     <welcome-file>index.html</welcome-file>
 6     <welcome-file>index.htm</welcome-file>
 7     <welcome-file>index.jsp</welcome-file>
 8     <welcome-file>default.html</welcome-file>
 9     <welcome-file>default.htm</welcome-file>
10     <welcome-file>default.jsp</welcome-file>
11   </welcome-file-list>
12   
13   <!-- needed for ContextLoaderListener -->
14     <context-param>
15         <param-name>contextConfigLocation</param-name>
16         <param-value>classpath:spring.xml</param-value>
17     </context-param>
18 
19     <!-- Bootstraps the root web application context before servlet initialization -->
20     <listener>
21         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
22     </listener>
23   
24   <servlet>
25     <servlet-name>springDispatcherServlet</servlet-name>
26     <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
27     <init-param>
28       <param-name>contextConfigLocation</param-name>
29       <param-value>classpath:springmvc.xml</param-value>
30     </init-param>
31     <load-on-startup>1</load-on-startup>
32   </servlet>
33   <servlet-mapping>
34     <servlet-name>springDispatcherServlet</servlet-name>
35     <url-pattern>/</url-pattern>
36   </servlet-mapping>
37   <filter>
38     <filter-name>CharacterEncodingFilter</filter-name>
39     <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
40     <init-param>
41       <param-name>encoding</param-name>
42       <param-value>utf-8</param-value>
43     </init-param>
44     <init-param>
45       <param-name>forceEncoding</param-name>
46       <param-value>true</param-value>
47     </init-param>
48   </filter>
49   <filter-mapping>
50     <filter-name>CharacterEncodingFilter</filter-name>
51     <url-pattern>/*</url-pattern>
52   </filter-mapping>
53   <filter>
54     <filter-name>HiddenHttpMethodFilter</filter-name>
55     <filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
56   </filter>
57   <filter-mapping>
58     <filter-name>HiddenHttpMethodFilter</filter-name>
59     <url-pattern>/*</url-pattern>
60   </filter-mapping>
61 </web-app>

    myerror.jsp:

     1 <%@ page language="java" contentType="text/html; charset=UTF-8"
 2     pageEncoding="UTF-8"%>
 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 4 <html>
 5 <head>
 6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 7 <title>Insert title here</title>
 8 </head>
 9 <body>
10 <h1>出错啦！</h1>
11 <h2>错误信息：${ex }-${exception }</h2>
12 </body>
13 </html>

    success.jsp:

     1 <%@ page language="java" contentType="text/html; charset=UTF-8"
 2     pageEncoding="UTF-8"%>
 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 4 <html>
 5 <head>
 6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 7 <title>Insert title here</title>
 8 </head>
 9 <body>
10 <%
11 System.out.println("success.jsp....");
12 %>
13 <h1>成功！</h1>
14 </body>
15 </html>

    index.jsp:

     1 <%@ page language="java" contentType="text/html; charset=UTF-8"
 2     pageEncoding="UTF-8"%>
 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 4 <html>
 5 <head>
 6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 7 <title>Insert title here</title>
 8 <%
 9     pageContext.setAttribute("ctp", request.getContextPath());
10 %>
11 </head>
12 <body>
13 
14 <a href="${ctp }/handle01?i=10">test01-哈哈</a><br/>
15 <a href="${ctp }/handle02?username=admin">handle02</a><br/>
16 <a href="${ctp }/handle03">handle03</a><br/>
17 <a href="${ctp }/handle04">handle04</a>
18 </body>
19 </html>
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  • 原文地址：https://www.cnblogs.com/116970u/p/13183886.html
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