1. Integrate Struts2
A) import the struts jar package
Struts2-core-2.1.6.jar xwork-2.1.2.jar ognl-2.6.11.jar freemarker-2.3.13.jar commons-logging-1.1.jar
B) copy the struts. xml file to the src directory.
C) configure the struts core filter in web. xml.
<Filter>
<Filter-name> struts2 </filter-name>
<Filter-class> org. apache. struts2.dispatcher. ng. filter. StrutsPrepareAndExecuteFilter </filter-class>
</Filter>
<Filter-mapping>
<Filter-name> struts2 </filter-name>
<Url-pattern>/* </url-pattern>
</Filter-mapping>
2. The entire Spring
A) import the jar package Spring. jar commons-logging.jar of spring
B) copy the applicationContext. xml file to the WEB-INF directory
C) configure the spring listener in web. xml.
<! -- Configure the spring listener -->
<Listener>
<Listener-class> org. springframework. web. context. ContextLoaderListener </listener-class>
</Listener>
D) add plug-in struts2-spring-plugin-2.1.6.jar for spring and struts2 Integration
3. write code for testing
Login. jsp
<Body>
<Form action = "login" method = "post">
USERNAME: <input type = "text" name = "username"/> <br>
PASSWORD: <input type = "password" name = "password"/> <br>
<Input type = "submit" value = "login">
</Form>
</Body>
Login successful page success. jsp
<Body>
Login successful!
</Body>
LoginDao business interface
Package com. itmyhome. actioin;
Interface LoginDao {
Public boolean login (String username, String password );
}
LoginDaoImpl business interface implementation
Package com. itmyhome. actioin;
Public class LoginDaoImpl implements LoginDao {
Public boolean login (String username, String password ){
// TODO Auto-generated method stub
If ("zhangsan". equals (username) & "123". equals (password )){
Return true;
} Else {
Return false;
}
}
}
LoginAction
Package com. itmyhome. actioin;
Import com. opensymphony. xwork2.ActionSupport;
Public class LoginAction extends ActionSupport {
Private String username;
Private String password;
Private LoginDao loginDao; // The DAO is handed to spring for processing.
Public String execute (){
If (loginDao. login (username, password )){
Return "success ";
} Else {
Return "input ";
}
}
Public String getUsername (){
Return username;
}
Public void setUsername (String username ){
This. username = username;
}
Public String getPassword (){
Return password;
}
Public void setPassword (String password ){
This. password = password;
}
Public LoginDao getLoginDao (){
Return loginDao;
}
Public void setLoginDao (LoginDao loginDao ){
This. loginDao = loginDao;
}
}
Struts. xml configuration file
<? Xml version = "1.0" encoding = "UTF-8"?>
<! DOCTYPE struts PUBLIC
"-// Apache Software Foundation // DTD Struts Configuration 2.0 // EN"
Http://struts.apache.org/dtds/struts-2.0.dtd>
<Struts>
<Package name = "default" namespace = "/" extends = "struts-default">
<Action name = "login" class = "com. itmyhome. actioin. LoginAction">
<Result name = "success">/success. jsp </result>
<Result name = "input">/login. jsp </result>
</Action>
</Package>
<! -- Add packages here -->
</Struts>
ApplicationContext. xml configuration file
<Bean id = "loginDao" class = "com. itmyhome. actioin. LoginDaoImpl"/>
<! -- Annotated -->
<Bean id = "loginAction" class = "com. itmyhome. actioin. LoginAction">
<Property name = "loginDao" ref = "loginDao"/>
</Bean>
Deployment: start tomcat and enter "zhangsan" and "123" to jump to success. jsp integration successful
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