springmvc.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: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">
<!--设置包扫描器-->
<context:component-scan base-package="com.scx.controller"></context:component-scan>
<!-- 设置视图解析器-->
<bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!-- 前缀-->
<property name="prefix" value="/WEB-INF/jsp/admin/"></property>
<!-- 后缀-->
<property name="suffix" value=".jsp"></property>
</bean>
<!-- 设置文件上传核心组件 id固定-->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"></bean>
<!-- 设置注解驱动-->
<mvc:annotation-driven></mvc:annotation-driven>
</beans>
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_4_0.xsd"
version="4.0">
<!-- 字符编码过滤器-->
<filter>
<filter-name>encoding</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>
<!-- <init-param>-->
<!-- <param-name>forceRequestEncoding</param-name>-->
<!-- <param-value>true</param-value>-->
<!-- </init-param>-->
<!-- <init-param>-->
<!-- <param-name>forceResponseEncoding</param-name>-->
<!-- <param-value>true</param-value>-->
<!-- </init-param>-->
</filter>
<filter-mapping>
<filter-name>encoding</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- 注册springMVC框架-->
<servlet>
<servlet-name>springmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springmvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<!-- 只过滤.action后缀的请求。将.action后缀的请求交给DispatcherServlet-->
<servlet-name>springmvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- 注册spring框架-->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext_*.xml</param-value>
</context-param>
</web-app>
controller
package com.scx.controller;
import com.scx.pojo.Admin;
import com.scx.service.AdminService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
/**
* @auther butterfly
* @create 2021 10 29 18:28
*/
@Controller
@RequestMapping("/admin")
public class AdminAction {
//在所有的界面层,一定会有业务逻辑层的对象
@Autowired
AdminService adminService;
//实现登录判断,并进行相应的跳转
@RequestMapping("/login")
public String login(String name, String pwd, Model model){
Admin admin = adminService.login(name, pwd);
if(admin!=null){
//登录成功
model.addAttribute("admin",admin);
System.out.println("true");
return "main";
}else {
//登录失败
model.addAttribute("errmsg","用户密码不正确");
return "login";
}
}
}
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