reguser.java

程序切片原型系统

package njutgrid.run;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */
import java.sql.*;
import javax.servlet.http.HttpServletRequest;
import njutgrid.util.*;
import njutgrid.users.*;

public class reguser extends DataBase{
        private user user = new user();	                        //新的用户对象
        private javax.servlet.http.HttpServletRequest request;  //建立页面请求
        private String message = "";			        //出错信息提示
        private String username = "";			      //注册后返回的用户名
        private long userid = 0;			     //注册后返回的用户ID

  public reguser() {
  }
  //添加新用户
  public boolean add(HttpServletRequest req) throws Exception {
        if (getRequest(req)) {
            DataBase db = new DataBase();
            db.connect();
            stmt = db.conn.createStatement ();
           
            sqlStr = "insert into griduser (Username,PassWord,Name,"+
                     "Email) values ('";
            sqlStr = sqlStr + dataFormat.toSql(user.getUserName()) + "','";
            sqlStr = sqlStr + dataFormat.toSql(user.getPassWord()) + "','";
            sqlStr = sqlStr + dataFormat.toSql(user.getNames()) + "','";
            sqlStr = sqlStr + dataFormat.toSql(user.getEmail()) ;
           
            try{
                stmt.executeUpdate(sqlStr);
                sqlStr = "select max(uesrid) from griduser where Username = '" +
                         user.getUserName()+ "'";
                         rs = stmt.executeQuery(sqlStr);
                         while (rs.next()){
                              userid = rs.getLong(1);
                              }
                             rs.close();
                             return true;
                }catch (Exception sqle){
                  System.out.print(sqle.getMessage());
                  return false;
                }
           } else{
            return false;
           }

  }
  //分析页面转递的参数
  public boolean getRequest(javax.servlet.http.HttpServletRequest newrequest) {
       boolean flag = false;
       try {
        request = newrequest;
       
        String username = request.getParameter("username");
         if (username==null || username.equals("")){
              username = "";
              message = message + "用户名为空!";
              }
              user.setUserName(getGbk(username));
        String password = request.getParameter("passwd");
              if (password==null || password.equals("")){
                  password = "";
                  message = message + "密码为空!";
                  }
        String pwdconfirm = request.getParameter("passconfirm");
              if (!password.equals(pwdconfirm)){
                 message = message + "确认密码不相同!";
                 }
              user.setPassWord(getGbk(password));
        String names = request.getParameter("names");;
              if (names==null){
                   names = "";
                   }
              user.setNames(getGbk(names));
              
         String email = request.getParameter("email");
             if (email == null){
                  email = "";
                  }
              user.setEmail(getGbk(email));
            
          if (message.equals("")){
                  flag = true;
                  }
               return flag;
        }catch (Exception e){
            return flag;
            }
 }
 
  public String getGbk( String str) {
               try  {
                return new String(str.getBytes("ISO8859-1"));
                }catch (Exception e){
                  return str;
                  }
          }
 
 public String getMessage() {
                              return message;
                      }

  public void setMessage(String msg) {
                              message = msg;
                      }

 public void setUserid(long uid) {
                              userid = uid;
                      }
 public long getUserid() {
                              return userid;
                      }

 public void setUserName(String uName) {
                              username = uName;
                      }
 public String getUserName() {
                              return username;
                      }
 
};