Spring mvc SpringMVC注释配置
我正在尝试创建一个简单的spring mvc应用程序以供练习,但我不断遇到以下错误: 在名为“mvc dispatcher”的DispatcherServlet中找不到URI为的HTTP请求的映射,我从Tomcat得到404错误 这是我的mvc-dispatcher-servlet.xmlSpring mvc SpringMVC注释配置,spring-mvc,Spring Mvc,我正在尝试创建一个简单的spring mvc应用程序以供练习,但我不断遇到以下错误: 在名为“mvc dispatcher”的DispatcherServlet中找不到URI为的HTTP请求的映射,我从Tomcat得到404错误 这是我的mvc-dispatcher-servlet.xml <?xml version="1.0" encoding="UTF-8"?> <beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-insta
<?xml version="1.0" encoding="UTF-8"?>
<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"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns="http://www.springframework.org/schema/beans"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd" >
<bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping" />
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />
<mvc:annotation-driven />
<context:component-scan base-package="controllers" />
<bean
id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver" >
<property
name="viewClass"
value="org.springframework.web.servlet.view.JstlView" />
<property
name="suffix"
value=".jsp" />
</bean>
</beans>
在DispatcherServlet中使用bean时,我可以让控制器工作,但由于某些原因,我无法使用注释获得正确的处理程序映射。我猜我的mvc-dispatcher-servlet.xml文件中有什么东西把事情搞砸了,任何帮助都会很好。您的“mvc dispatcher servlet.xml”看起来不错,它适合我。确保使用正确的url。您可以看看这个简单的示例,首先用以下内容交叉检查您的包名
有可能是不正确的,基本包意味着完整的包路径,如“org.self.etc”
如果它是正确的,那么把这一行放在父Spring上下文的Spring配置的上方 MVC将仅与ServletDispatcher一起工作:
<?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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
<servlet>
<servlet-name>mvc-dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/mvc-dispatcher-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>mvc-dispatcher</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
</web-app>
mvc调度器
org.springframework.web.servlet.DispatcherServlet
上下文配置位置
/WEB-INF/mvc-dispatcher-servlet.xml
1.
mvc调度器
*.做
org.springframework.web.context.ContextLoaderListener
,将对您有所帮助。需要注意的是,通过使用,您可以自动注册DefaultAnnotationHandlerMapping和AnnotationMethodHandlerAdapter。您可以删除这些bean定义,也可以将组件扫描放在mvc-dispatcher-servlet.xml中驱动的mvc注释之前。
package controllers;
import org.springframework.stereotype.Controller;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
@Controller
@RequestMapping("/welcome.do")
public class HelloWorldController{
@RequestMapping(method=RequestMethod.GET)
public ModelAndView helloWorld(){
System.out.println("**Hit controller**");
ModelAndView model = new ModelAndView("spring");
model.addObject("msg", "hello world");
return model;
}
}
<?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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
<servlet>
<servlet-name>mvc-dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/mvc-dispatcher-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>mvc-dispatcher</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
</web-app>