<?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
https://www
.springframework.org/schema/context/spring-context
.xsd
http://www
.springframework.org/schema/mvc
https://www
.springframework.org/schema/mvc/spring-mvc
.xsd">
<
!-- 明确指定只扫描Controller -->
<context:component-scan base-package="com
.itheihei" use-default-filters="false">
<context:include-filter type="an
notation" expression="
org.springframework.stereotype
.Controller"/>
</context:component-scan>
<bean id="viewResolver" class="
org.springframework.web.servlet.view
.InternalResourceViewResolver">
<property name="prefix" value="/
WEB-INF/views/"/>
<property name="suffix" value="
.jsp"/>
</bean>
<mvc:resources mapping="/js/**" location="/js/"/>
<mvc:resources mapping="/images/**" location="/images/"/>
<mvc:resources mapping="/css/**" location="/css/"/>
<mvc:an
notation-driven/>
</beans><?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"
xsi:schemaLocation="http://www
.springframework.org/schema/beans
http://www
.springframework.org/schema/beans/spring-beans
.xsd
http://www
.springframework.org/schema/context
https://www
.springframework.org/schema/context/spring-context
.xsd">
<
!-- 排除Controller，只扫描Service/Repository等 -->
<context:component-scan base-package="com
.itheihei">
<context:exclude-filter type="an
notation" expression="
org.springframework.stereotype
.Controller"/>
</context:component-scan>
</beans>@Controller
public class AccountController {
@Autowired
AccountService accountService;
@RequestMapping("findAllAccounts")
public String findAllAccounts() {
System
.out
.println("方法成功执行");
return "list";
}
}
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>首页</title>
</head>
<body>
<a href="${pageContext
.request
.contextPath}/findAllAccounts">查看所有用户信息</a>
</body>
</html><?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_4_0
.xsd"
version="4
.0">
<
servlet>
<
servlet-name>dispatcher
Servlet</
servlet-name>
<
servlet-class>
org.springframework.web.servlet.Dispatcher
Servlet</
servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-mvc
.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</
servlet>
<
servlet-mapping>
<
servlet-name>dispatcher
Servlet</
servlet-name>
<url-pattern>/</url-pattern> <
!-- 将所有请求映射到 dispatcher
Servlet -->
</
servlet-mapping>
</
web-app>为什么会404
本文详细解释了Spring MVC中DispatcherServlet的URL配置方式及其影响，特别是对于不同类型的URL（如路径型URL和后缀型URL）如何进行正确配置，以确保既能处理请求又能正常访问静态资源。
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