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Java Spring请求映射不工作_Java_Xml_Spring_Spring Mvc_Annotations - Fatal编程技术网

Java Spring请求映射不工作

Java Spring请求映射不工作,java,xml,spring,spring-mvc,annotations,Java,Xml,Spring,Spring Mvc,Annotations,我试图用链接调用控制器,但它不起作用。所有注释配置和url模式都在配置文件中指定。这是我的密码 dispatcher-servlet.xml: <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p

我试图用链接调用控制器,但它不起作用。所有注释配置和url模式都在配置文件中指定。这是我的密码

dispatcher-servlet.xml:

    <?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xmlns:p="http://www.springframework.org/schema/p"
   xmlns:aop="http://www.springframework.org/schema/aop"
   xmlns:tx="http://www.springframework.org/schema/tx"
   xmlns:task="http://www.springframework.org/schema/task"
   xmlns:context="http://www.springframework.org/schema/context"
   xmlns:mvc="http://www.springframework.org/schema/mvc"
   xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
   http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
   http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
   http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.1.xsd
   http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd
   http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd">

<bean class="org.springframework.web.servlet.mvc.support.ControllerClassNameHandlerMapping"/>

<!-- Scan only for @Controllers -->
<context:component-scan base-package="com.controller" use-default-filters="false" >
    <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller" />
</context:component-scan>
<mvc:annotation-driven />

<!--
Most controllers will use the ControllerClassNameHandlerMapping above, but
for the index controller we are using ParameterizableViewController, so we must
define an explicit mapping for it.
-->


<bean id="urlMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
    <property name="mappings">
        <props>
            <prop key="index.htm">indexController</prop>
        </props>
    </property>
</bean>

<bean id="viewResolver"
      class="org.springframework.web.servlet.view.InternalResourceViewResolver"
      p:prefix="/WEB-INF/jsp/"
      p:suffix=".jsp" />

<!--
The index controller.
-->
<bean name="indexController"
      class="org.springframework.web.servlet.mvc.ParameterizableViewController"
      p:viewName="index" />

</beans>

我解决了这个问题。我使用的是
import org.springframework.web.portlet.ModelAndView

我把它改为
import org.springframework.web.servlet.ModelAndView

你在尝试什么URL,你的名字是什么?如果要将其作为WAR部署到容器中,则通常必须将其作为URI的第一部分。如果您正在使用嵌入式Tomcat、Jetty等进行部署,那么情况就不同了,但由于您有一个web.xml,我认为您没有。尝试更改它,它正在工作,我测试了您的应用程序,唯一缺少的是您有一个用于演示的视图解析器(您需要一个文件夹jsp,在这个路径中(/web-INF/jsp/demo.jsp).如果你有它,那么它应该可以工作。你只需要访问该页面
    <servlet>
      <servlet-name>dispatcher</servlet-name>
      <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
      <load-on-startup>2</load-on-startup>
    </servlet>
    <servlet-mapping>
      <servlet-name>dispatcher</servlet-name>
      <url-pattern>*.htm</url-pattern>
    </servlet-mapping>
 <a href="hi.htm">Call controller</a>
@Controller
public class MyController {

    @RequestMapping("/hi")
    public ModelAndView add(){
        System.out.println("in");
        return new ModelAndView("demo", "message", "Add method called");
    }
}