?? registeraction.java
字號:
package com.bookshop.web.action;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.bookshop.dao.UserDAO;
public class RegisterAction {
public void execute(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String action=request.getParameter("action");
String username = new String(request.getParameter("username").getBytes("ISO-8859-1"),"UTF-8");
String pw = request.getParameter("pw");
UserDAO userDao=new UserDAO();
response.setHeader("Cache-Control", "no-cache");
PrintWriter out = response.getWriter();
if("add".equals(action)){
String checkname=null;
checkname=userDao.getUserName(username);
System.out.println(checkname+username);
if(checkname==null){
userDao.insertUser(username,pw);
out.println("注冊成功!");
}else{
out.println("注冊失敗!用戶名已存在,重新輸入用戶名");
}
}
out.close();
}
}
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