Struts-Logon 1

1. Create a project
Project name: struts2
Add jar package/struts2/webroot/WEB-INF/lib
Commons-fileupload-1.3.jar
Commons-io-2.0.1.jar
Commons-lang3-3.1.jar
Freemarker-2.3.19.jar
Javassist-3.11.0.GA.jar
Ognl-3.0.6.jar
Struts2-core-2.3.15.1.jar
Xwork-core-2.3.15.1.jar
Add a filter to Web. xml
<Filter>
<Filter-Name> struts </filter-Name>
<Filter-class> org. Apache. struts2.dispatcher. Ng. Filter. strutsprepareandexecutefilter </filter-class>
</Filter>
<Filter-mapping>
<Filter-Name> struts </filter-Name>
<URL-pattern>/* </url-pattern>
</Filter-mapping>

Under SRC
Create package name: CN. jbit. struts2.web. Action
Creation class: useraction. Java
Public class useraction extends actionsupport implements sessionaware {
Private Map <string, Object> session;
Private string username;
Private string password;

@ Override
Public String execute () throws exception {
If ("jbit". Equals (username) & "123". Equals (password )){
Session. Put ("username", username );
Return success;
}
Return Error;
}
Public void setsession (Map <string, Object> session ){
This. Session = session;
}
// Omit get and set
}
In index. jsp
<S: If test = "% {# session. Username! = NULL} ">
Welcome <s: property value = "% {# session. Username}"/>
</S: If>
<S: else>
<S: Form Action = "useraction. Action" method = "Post">
Username: <s: textfield name = "username"/> <br/>
Password: <s: password name = "password"/> <br/>
<S: Submit value = "Logon"/>
</S: Form>
</S: else>
Create a folder pages under Web-INF
Create error. SJP
Create success. jsp
Create a configuration file under Conf
Struts. xml
<Struts>
<Constant name = "struts. UI. Theme" value = "simple"> </constant>
<Package name = "default" namespace = "/" extends = "struts-Default">
<Action name = "useraction" class = "cn. jbit. struts2.web. Action. useraction">
<Result name = "success">/WEB-INF/pages/success. jsp </result>
<Result name = "error">/WEB-INF/pages/error. jsp </result>
</Action>
</Package>
</Struts>

This article from the "Su Yan" blog, please be sure to keep this source http://suyanzhu.blog.51cto.com/8050189/1564321

Struts-Logon 1