SpringMVC 实现登录注册

ゝ一纸荒年。 2021-09-22 10:18 614阅读 0赞

基本配置步骤：

1、新增spring-mvc配置文件  
2、新增log4j配置文件  
3、在Java Resorces下创建resources文件夹，把1、2中的文件放到这个文件夹  
4、在WEB-INF目录下创建classes目录  
5、修改项目编译输出路径到classes目录  
6、把jar包添加到编译路径  
7、把jar包添加到Deploy and Assemblyment       [==>  jar包下载][jar]

项目结构：

![SouthEast][]

web.xml

<?xml version="1.0" encoding="UTF-8"?>
    <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
    	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
    	http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
      
      <display-name>springmvc</display-name>
    	
    	<servlet>
    		<servlet-name>spring-mvc</servlet-name>
    		<servlet-class>org.springframework.web.servlet.DispatcherServlet</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>spring-mvc</servlet-name>
    		<url-pattern>/</url-pattern>  
    	</servlet-mapping>
    	<filter>
    		<filter-name>EncodingFilter</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>EncodingFilter</filter-name>
    		<url-pattern>/*</url-pattern>
    	</filter-mapping>	
    </web-app>

spring-mvc.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 http://www.springframework.org/schema/context/spring-context-4.0.xsd
            http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">        
       
        
        <context:component-scan base-package="com.cheese.controller"></context:component-scan>
        <mvc:annotation-driven />     
           
        
        <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
            <property name = "prefix" value="/WEB-INF/views/"></property>
                <property name = "suffix" value = ".jsp"></property>
        </bean>       
    </beans>

log4j.properties

### direct log messages to stdout ###
    log4j.appender.stdout=org.apache.log4j.ConsoleAppender
    log4j.appender.stdout.Target=System.out
    log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
    log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n
    
    ### direct messages to file springmvc.log ###
    log4j.appender.file=org.apache.log4j.FileAppender
    log4j.appender.file.File=${catalina.base}/logs/springmvc.log
    log4j.appender.file.layout=org.apache.log4j.PatternLayout
    #log4j.appender.file.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n
    log4j.appender.file.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n
    
    ### set log levels - for more verbose logging change 'info' to 'debug' ###
    
    log4j.rootLogger=debug,stdout,file

spring jar包

![SouthEast 1][]

项目编译设置：

![SouthEast 2][]

![SouthEast 3][]

![SouthEast 4][]

index.jsp

![SouthEast 5][]

regUser.jsp

![SouthEast 6][]

![SouthEast 7][]

welcome.jsp

![SouthEast 8][]

User.java

![SouthEast 9][]

UserController.java

![SouthEast 10][]![SouthEast 11][]

![SouthEast 12][]

运行测试

![SouthEast 13][]

![SouthEast 14][]

![SouthEast 15][]

![SouthEast 16][]

[jar]: https://download.csdn.net/download/write6/10332383
[SouthEast]: /images/20210920/83803bc367dd4f4b95116844faf5319e.png
[SouthEast 1]: /images/20210920/a6db80edd65345e6ac9ba3afefe24d0c.png
[SouthEast 2]: /images/20210920/d5b44877a03548de9a8ca95494b4c578.png
[SouthEast 3]: /images/20210920/f14732566c614fe18d871f42dbbf5030.png
[SouthEast 4]: /images/20210920/e81f55d53d6145b3a2e1832b807cb148.png
[SouthEast 5]: /images/20210920/d0090a42c4f14f769b3ee4b9ac1aaef4.png
[SouthEast 6]: /images/20210920/8a1c15b4e92a4cd5a79472a1236a82c2.png
[SouthEast 7]: /images/20210920/dd0df2a404c74248b1b0e3fefecc23bf.png
[SouthEast 8]: /images/20210920/62d36bac15a34862be83cf9e6bf7b22a.png
[SouthEast 9]: /images/20210920/e4837f2cd9794fa4833bceba5cb6518f.png
[SouthEast 10]: https://img-blog.csdn.net/20180124210645564?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvd3JpdGU2/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast
[SouthEast 11]: /images/20210920/8e8e468d623a46f397d44b169fc9ea81.png
[SouthEast 12]: /images/20210920/e6ca6f4d517f4e7a950b26669fb44a01.png
[SouthEast 13]: /images/20210920/54b8e9cb8c48475a9d19001cfe34426f.png
[SouthEast 14]: /images/20210920/a531e81e50d74677a8e5920a2b81a7af.png
[SouthEast 15]: /images/20210920/c2d544e9dd37408894c0d7cd19876e2d.png
[SouthEast 16]: /images/20210920/17d4e8da87134326bcb1c47cac77b567.png