Struts框架及其在Web开发中的应用

import org.apache.struts.action.*;//引用Struts类包

public class UserForm extends ActionForm{

private String userID= null; 

private String password= null;

……

public String getUserID(){return userID;}

public void setUserID(String userID)

{this.userld= userID;}

public String getPassword(){return password;}

public void setPassword(String password)

{this. password=password;} 

……}

……;

import org.apache.struts.action.*; 

public class RegUserAction extends Action

{

public ActionForward perform(ActionMapping 

mapping, ActionForm form, HttpServletRequest

req, HttpServletResponse response) {

boolean flag;

String username=req.getParameter(“UserID”);

String password=req.getParameter(“password”);

…… //获取其他注册信息，并根据注册信息，做相应的数据库操作，返回是否注册成功标志flag

if (flag){

try{

UserDirectory.getInstance().setUser(UserID, 

password);

return mapping.findForward(“success”);

}catch(UserDirectoryException e) {

return mapping.findForward(“failure”);}

}

return mapping.findForward(“failure”); //注册成功后转发给相应的jsp文件

}

……;

<struts-config>

<form-beans>

<form-bean name="userForm" type=" UserForm"/>

</form-beans> ……

<action-mappings>

<action path="/reguser" type="RegUserAction" 

input="/reguserinfo.jsp" name="userForm" 

scope="request">

<forward name="success" path="/regsucess.jsp"/>

<forward name="failure" path="/regfailure.jsp"/>

</action> 

</action-mappings></struts-config>