spring mvc数据绑定出错

Question

package com.ssm.controller;
import javax.servlet.http.HttpServletRequest;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
@Controller
public class UserController {
	@RequestMapping(value="/selectUser")
	public String selectUser(HttpServletRequest request) {
		String id=request.getParameter("id");
		System.out.println("id="+id);
		return "success";
	}
}

<?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-4.3.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-4.3.xsd">
	<!--指定需要扫描的包 -->
	<context:component-scan base-package="com.ssm.controller" />
	<!-- 定义视图解析器 -->
	<bean id="viewResoler"
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<!-- 设置前缀 -->
		<property name="prefix" value="/WEB-INF/jsp/" />
		<!-- 设置后缀 -->
		<property name="suffix" value=".jsp/" />
	</bean>
</beans>

<?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"
	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>
		<!-- 配置前端过滤器 -->
		<servlet-name>springmvc</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<!-- 初始化时加载配置文件 -->
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:springmvc-config.xml</param-value>
		</init-param>
		<!-- 表示容器在启动时立即加载Servlet -->
		<load-on-startup>1</load-on-startup>
	</servlet>
	
	<servlet-mapping>
		<servlet-name>springmvc</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>
</web-app>

 

Answer 1