Spring MVC 3.x注解方式实例源码

admin

首先说明一下使用的版本：

JDK：1.6   Tomcat：6.0   spring：3.2，使用到的Jar包截图：

工程结构截图：

接下来：web.xml文件配置：

1. <?xml version="1.0" encoding="UTF-8"?>
   - x+ i) G; Y8 e+ f
2. <web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee"
   
3. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   7 h4 I) T7 x" L7 B6 r0 B
4. xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
   5 h1 f/ ]0 U, I6 G; U
5. http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
   
6. 
   & ]) {7 N! E" B' G1 q$ k1 Z
7. <servlet>
   # N/ G0 J# g9 V8 O' `8 x
8.   <servlet-name>SpringMVC</servlet-name>
   
9.   <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
   
10.   <init-param>
    , E, }; c6 j, c
11.    <param-name>contextConfigLocation</param-name>
    0 ~9 j2 s2 B- s# n4 M  {) K* i7 }
12.    <param-value>classpath:SpringMVC-servlet.xml</param-value>
    1 W6 G# ]# I) S3 n6 X9 ~
13.   </init-param>
    
14.   <load-on-startup>1</load-on-startup>
    
15. </servlet>
    
16. <servlet-mapping>
    ( X+ W7 k5 u/ `1 O0 z
17.   <servlet-name>SpringMVC</servlet-name>
    1 a& K" v/ V8 r9 p
18.   <url-pattern>/</url-pattern>
    
19. </servlet-mapping>
    
20. 
    
21. <!-- 编码过滤 -->  
    9 P+ d, Q& y7 W( Q
22.     <filter>  
    , s0 B2 v" y# s$ E) z  m7 p; i) b
23.         <filter-name>encode</filter-name>  
    
24.         <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>  
    " S. g& s5 ]& `: y1 P
25.         <init-param>  
    
26.             <param-name>encoding</param-name>  
    
27.             <param-value>UTF-8</param-value>  
    7 c- B- h7 u/ ]7 R
28.         </init-param>  
    
29.     </filter>  
    & U3 E% Z( r- H4 j2 e& k! S- g
30.     <filter-mapping>  
    
31.         <filter-name>encode</filter-name>  
    % S  v! W8 q5 r9 V0 [" `
32.         <url-pattern>/*</url-pattern>  
    
33.     </filter-mapping>
    % o8 _/ X5 [- {
34. <welcome-file-list>
    
35.   <welcome-file>WEB-INF/index.jsp</welcome-file>
    6 P$ P: ]2 H, V8 N5 I4 b* E  M7 |
36. </welcome-file-list>
    8 T+ e0 E1 l9 u5 H) r
37. </web-app>

复制代码

log4j.properties文件配置：

1. log4j.rootLogger=WARN,stdout
   
2. 
   4 f+ B# @4 ^2 O) \2 u+ Q+ |0 e
3. log4j.appender.stdout=org.apache.log4j.ConsoleAppender
   
4. 
   
5. log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
   
6. 
   
7. log4j.appender.stdout.layout.ConversionPattern=%n%-d{yyyy-MM-dd HH:mm:ss}%n[%p]-[Thread: %t]-[%C.%M()]: %m%n

复制代码

! S) _# y  E! Q# Y2 HSpringMVC-servlet.xml文件的配置：

1. <?xml version="1.0" encoding="UTF-8"?>
   8 @# D1 u" @& m- I6 E* O, f
2. <beans default-lazy-init="true"
   
3.        xmlns="http://www.springframework.org/schema/beans"  
   # e& B5 \3 L2 m5 e' q! _$ |0 P
4.        xmlns:p="http://www.springframework.org/schema/p"
   ' Y, o% p# D9 I- r: a! j4 a. I5 x
5.        xmlns:tx=""      
   9 ~' ^+ V9 J) q) ], s* b2 F7 _
6.        xmlns:aop="http://www.springframework.org/schema/aop"
     x" ~  P3 p! y
7.        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
   ( c9 [( D0 x. g& D
8.        xmlns:context=
   
9.        xmlns:mvc=
   
10.        xsi:schemaLocation=
    ) v7 c' u7 \. U+ v- [5 J  J
11. "                        http://www.springframework.org/schema/context/spring-context-3.1.xsd">
    $ e5 _7 Z/ a+ ~/ ?1 h
12. 
    
13.     <!-- 注解驱动 -->
    
14.     <mvc:annotation-driven />
    . m0 ?# ]$ m* e6 N$ K* f7 w# ~0 _
15.     <!-- 扫描包 -->
    
16.     <context:component-scan base-package="com.project.controller" />
    
17. <!-- ViewResolver -->
    % X9 P/ S6 P) w* A" e& p5 ~( K
18. <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
    4 h! _2 j& W; v) i
19.      <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
    
20.      <property name="prefix" value="/WEB-INF/jsp/"/>
    3 n" ~$ w! C( [; S- j4 z7 I
21.      <property name="suffix" value=".jsp"/>
    $ O1 k& e3 P* w5 F* g* z4 S
22. </bean>
    % e0 @& T& H/ L+ V9 f- \
23. <!-- HandlerAdapter -->
    7 H( g  f) Y2 D- _9 R5 I$ }$ `
24. <!-- <bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
    ) }3 y; ?% d( ~/ S+ P& C# ~
25.   <property name="mappings">
    
26.    <props>
    6 I% t8 |; \3 ?4 U$ V
27.     <prop key="/index">Hello</prop>
    
28.    </props>
    ! V- j' A  V# _
29.   </property>
    * }7 t$ u; ]" g. e$ f! s
30. </bean> -->
    
31. <!-- HandlerMapping -->
    
32. <bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"/>
    & t, u# B7 {# T. X& v& e$ `
33. <!-- HandlerMapping -->
    
34. <bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping"/>
    
35. <!-- <bean name="/index" class="com.project.controller.HelloController"/> -->
    % Y/ f( @- b; L4 l4 h
36. <!-- <bean id="Hello" class="com.project.controller.HelloController" /> -->
    
37. </beans>

复制代码

9 ~' `* U, v0 |* O1 Q* ^  WHelloController代码内容：

1. package com.project.controller;
   
2. import javax.servlet.http.HttpServletRequest;
   
3. import javax.servlet.http.HttpServletResponse;
   
4. import org.springframework.stereotype.Controller;
   9 V3 x1 |/ l- Z
5. import org.springframework.web.bind.annotation.RequestMapping;
   ) F+ r1 w& P/ ~, _* U- N- Y
6. import org.springframework.web.servlet.ModelAndView;
   
7. @Controller
   7 N+ C6 l/ z" O, I
8. @RequestMapping("/hello")
   * g+ s8 \1 K" `8 R) ~$ H
9. public class HelloController {
   " \' p1 I, K2 _9 B2 T  y3 I
10. @RequestMapping("/index")
    
11. public ModelAndView index(HttpServletRequest request,HttpServletResponse response) throws Exception {
    ' {3 ?2 Q: L/ c) C+ x, i9 Z7 J  E
12.   ModelAndView modelView = new ModelAndView();
    ; ]" o) C& {# G+ |
13.   modelView.addObject("msg","Hello Index");
    ( a6 e0 V2 a7 B1 E" ~) v0 a
14.   modelView.setViewName("index");
    
15.   System.err.println("执行index！");
    7 Z7 F( L% u$ T4 F8 M
16.   return modelView;
    ; {% B) O' H; Y! k0 B2 G9 B# j/ `# A
17. }
    
18. @RequestMapping("/show")
    
19. public ModelAndView show(HttpServletRequest request,HttpServletResponse response) throws Exception {
    
20.   ModelAndView modelView = new ModelAndView();
    
21.   modelView.addObject("msg","Hello show");
    ; M5 |/ O7 l$ E4 s4 ~( q0 ?% f9 q2 R6 d
22.   modelView.setViewName("index");
    5 k7 u" I, `5 Z# u# {# G
23.   System.err.println("执行show！");
    - ^( o6 D: y' Z. m9 j1 m
24.   return modelView;
    
25. }
    
26. }

复制代码

6 y0 ], U( r2 IOK，运行效果如图：

& J4 G8 D" l4 r- Y+ P2 [- f

+ L4 t2 r: B+ z* B' s+ |