springmvc这个怎么解决????

Question

@Controller
@RequestMapping(value="/helloWorld")
public class HelloWorld {
@RequestMapping("/helloSpringMVC")
public String helloworld() {
System.out.println("Hello World !");
return "success";
}

@RequestMapping(value="/restTest",method=RequestMethod.POST)
public String restPost() {
System.out.println("Post");
return "success";
}
}
<a href="helloWorld/helloSpringMVC">Hello World</a>

Answer 1

你是想返回json数据。还是想返回视图如果想返回json数据 把@controller改成@restcontroller 
或者在@requestmapping下面加上@responsebody
如果想返回视图，你看一下配置视图解析相关，或者相应的页面不存在

Answer 2

success.jsp
这个视图

Answer 3

<context:component-scan base-package="com.mymvc">
</context:component-scan>

<!-- 视图解析器 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="WEB-INF/pages/"></property>
<property name="suffix" value=".jsp"></property>
</bean>
<servlet>
<servlet-name>springDispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet> <!-- Map all requests to the DispatcherServlet for handling -->
<servlet-mapping>
<servlet-name>springDispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>

<!-- 字符过滤 -->
<filter>
<filter-name>CharacterEncodingFilter</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>CharacterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

<!-- rest风格 -->
<filter>
<filter-name>hiddenHttpMethodFilter</filter-name>
<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>hiddenHttpMethodFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
/springmvc/src/main/webapp/WEB-INF/pages/success.jsp