Spring RequestMapping 404错误

Question

我在gradle中启动了新项目。但不断出现URL映射错误。 这是一个404错误。 我试过这个错误但是这个错误不明白请回答 我不擅长英语。如果您有任何语法错误，请理解我。

控制器

package sample.controller; 

import java.text.DateFormat; 
import java.util.Date; 
import java.util.Locale; 

import org.springframework.stereotype.Controller; 
import org.springframework.ui.Model; 
import org.springframework.web.bind.annotation.RequestMapping; 
import org.springframework.web.bind.annotation.RequestMethod; 

@Controller 
public class HomeContoller { 

    @RequestMapping(value = "/home", method = RequestMethod.GET) 
    public String home(Locale locale, Model model) { 

     Date date = new Date(); 
     DateFormat dateFormat = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG, locale); 

     String formattedDate = dateFormat.format(date); 

     model.addAttribute("serverTime", formattedDate); 

     return "home"; 
    } 


} 

的web.xml

<?xml version="1.0" encoding="UTF-8"?> 
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee 
         http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" 
    version="3.1" 
    metadata-complete="false"> 

    <context-param> 
    <param-name>contextConfigLocation</param-name> 
    <param-value>/WEB-INF/application-context.xml</param-value> 
    </context-param> 

    <listener> 
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> 
    </listener> 

    <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> 

    <!-- *.do --> 
    <servlet> 
    <servlet-name>dispatcher</servlet-name> 
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> 
    <load-on-startup>1</load-on-startup> 
    </servlet> 

    <servlet-mapping> 
    <servlet-name>dispatcher</servlet-name> 
    <url-pattern>*.do</url-pattern> 
    </servlet-mapping> 

    <!-- *.json--> 
    <servlet> 
    <servlet-name>json</servlet-name> 
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> 
    <load-on-startup>2</load-on-startup> 
    </servlet> 

    <servlet-mapping> 
    <servlet-name>json</servlet-name> 
    <url-pattern>*.json</url-pattern> 
    </servlet-mapping> 


</web-app> 

dispacher-的servlet

<?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: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.xsd 
     http://www.springframework.org/schema/context 
     http://www.springframework.org/schema/context/spring-context.xsd 
     http://www.springframework.org/schema/mvc 
     http://www.springframework.org/schema/mvc/spring-mvc.xsd"> 

    <context:component-scan base-package="sample"> 
     <context:exclude-filter type="regex" 
           expression="sample.controller.json.*"/> 
    </context:component-scan> 

    <mvc:annotation-driven/> 

    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> 
     <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/> 
     <property name="prefix" value="/WEB-INF/view/"/> 
     <property name="suffix" value=".jsp"/> 
    </bean> 
     <mvc:annotation-driven/> 

    <bean id="multipartResolver" 
     class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> 

    <property name="maxUploadSize" value="10000000"/> 
    </bean> 
</beans> 

广告应用程式上下文

<?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: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.xsd 
     http://www.springframework.org/schema/context 
     http://www.springframework.org/schema/context/spring-context.xsd 
     http://www.springframework.org/schema/mvc 
     http://www.springframework.org/schema/mvc/spring-mvc.xsd"> 

    <context:component-scan base-package="sample"> 
     <context:exclude-filter type="annotation" 
      expression="org.springframework.stereotype.Controller"/> 
    </context:component-scan> 

    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> 
     <property name="driverClassName" value="${jdbc.driverClassName}"/> 
     <property name="url" value="${jdbc.url}"/> 
     <property name="username" value="${jdbc.username}"/> 
     <property name="password" value="${jdbc.password}"/> 
    </bean> 

    <context:property-placeholder location="/WEB-INF/jdbc.properties"/> 

    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> 
     <property name="dataSource" ref="dataSource" /> 
     <property name="mapperLocations" 
       value="classpath*:sql/*Mapper.xml" /> 
     <property name="typeAliasesPackage" value="sample.vo" /> 
    </bean> 

    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> 
     <property name="basePackage" value="sample.dao" /> 
    </bean> 

</beans> 

Answer 1

您需要将网址从basepath/home.do更改为basepath/home或将映射从/home更改为/home.do。这应该工作。