繼上一篇配置好Spring framework, 現在接入Spring Web MVC。
順序如下
- 修改pom.xml+Maven Tomcat Plugins+web.xml（配置了2就不用配置這個）
- 添加WebMVCInitializer
- 修改Application.java（Spring framework的配置）配置webMVC, 修改 configureMessageConverters,建立JSON 自動映射（使用Fastjson)
- 路由實例
pom.xml
//主庫
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.3.3.RELEASE</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.3</version>
</dependency>
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.17</version>
</dependency>
配置Maven自啟動tomcat
<build>
<pluginManagement>
<plugins>
<!-- junit plugins-->
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat6-maven-plugin</artifactId>
<version>2.2</version>
<configuration>
<url>http://localhost:8080</url>
<server>tomcat</server>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.2</version>
<configuration>
<url>http://localhost:8080</url>
<server>tomcat</server>
</configuration>
</plugin>
</plugins>
</pluginManagement>
</build>
新建web.xml，在/web/WEB-INF下，或者修改對應路徑
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee">
<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>/</url-pattern>
</servlet-mapping>
<filter>
<filter-name>encodingFilter</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>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
博主用的是IntelliJ IDEA，所以修改Module Setting, output path 到/web/WEB-INF-classes
新建WebMVCIniatializer.java
public class WebMVCIniatializer extends AbstractAnnotationConfigDispatcherServletInitializer {
@Override
protected Class<?>[] getRootConfigClasses() {
return new Class<?>[]{
Application.class
};
}
@Override
protected Class<?>[] getServletConfigClasses() {
return new Class<?>[]{};
}
@Override
protected String[] getServletMappings() {
return new String[]{
"/"
};
}
@Override
public void onStartup(ServletContext servletContext) throws ServletException {
super.onStartup(servletContext);
servletContext.addListener(new SessionListener());
}
}
其中servletContext.addListener(new SessionListener());
可以不加，自己需要什么樣的Listener自己添加。
修改Application.java主要三個步驟
@Configuration
@EnableAspectJAutoProxy(proxyTargetClass = true)
@EnableSpringConfigured
@ComponentScan("jufou.info.*")
@EnableWebMvc
public class Application extends WebMvcConfigurerAdapter {
@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
FastJsonHttpMessageConverter4 fastJsonHttpMessageConverter4=new FastJsonHttpMessageConverter4();
FastJsonConfig fastJsonConfig=new FastJsonConfig();
fastJsonConfig.setFeatures(Feature.IgnoreNotMatch);
fastJsonConfig.setCharset(Charset.forName("UTF-8"));
fastJsonHttpMessageConverter4.setFastJsonConfig(fastJsonConfig);
converters.add(fastJsonHttpMessageConverter4);
super.configureMessageConverters(converters);
}
@Override
public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer){
configurer.enable();
}
@Bean
public CommonsMultipartResolver multipartResolver(){
CommonsMultipartResolver commonsMultipartResolver = new CommonsMultipartResolver();
commonsMultipartResolver.setDefaultEncoding("utf-8");
commonsMultipartResolver.setMaxUploadSize(-1);
commonsMultipartResolver.setMaxUploadSizePerFile(-1);
return commonsMultipartResolver;
}
@Override
public void configurePathMatch(PathMatchConfigurer configurer) {
configurer
.setUseSuffixPatternMatch(true)
.setUseTrailingSlashMatch(false)
.setUseRegisteredSuffixPatternMatch(true);
}
}
1.主要添加@EnableWebMvc
2.添加Bean multipartResolver 用以處理Multipart 請求
@Bean
public CommonsMultipartResolver multipartResolver(){
CommonsMultipartResolver commonsMultipartResolver = new CommonsMultipartResolver();
commonsMultipartResolver.setDefaultEncoding("utf-8");
commonsMultipartResolver.setMaxUploadSize(-1);
commonsMultipartResolver.setMaxUploadSizePerFile(-1);
return commonsMultipartResolver;
}
3.configureMessageConverters
@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
FastJsonHttpMessageConverter4 fastJsonHttpMessageConverter4=new FastJsonHttpMessageConverter4();
FastJsonConfig fastJsonConfig=new FastJsonConfig();
fastJsonConfig.setFeatures(Feature.IgnoreNotMatch);
fastJsonConfig.setCharset(Charset.forName("UTF-8"));
fastJsonHttpMessageConverter4.setFastJsonConfig(fastJsonConfig);
converters.add(fastJsonHttpMessageConverter4);
super.configureMessageConverters(converters);
}
至此基本完成Spring WebMVC的配置。
最后測試類，寫路由配置
@RestController
public class UserController {
@Autowired
private UserServiceImpl userService;
@RequestMapping(method= RequestMethod.GET,value="/user/nickname/{id}")
public void printUserNickname(@PathVariable long id) {
System.out.println(userService.getUserNickname());
}
@RequestMapping(method= RequestMethod.PUT,value="/user",consumes = "application/json")
public void putUserNickname(@RequestBody User user {
System.out.println(user.getUserNickname());
}
}
