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作者 Re:jsp+javabean 出错请求帮助 [Re:athen]
athen





发贴: 14
于 2005-04-18 23:21 user profilesend a private message to userreply to postsearch all posts byselect and copy to clipboard. 
ie only, sorry for netscape users:-)add this post to my favorite list
发错了 一段代码
package cart;
import java.sql.*;
import java.util.*;
import java.math.*;
import java.lang.*;
import com.microsoft.jdbc.sqlserver.*;

public class UserEntity {
private String id;
private String username;
private String userpassword;
public static String Str="com.microsoft.jdbc.sqlserver.SQLServerDriver";
public static String url="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=tzj";
public static Connection conn=null;
public UserEntity(String id,String username,String userpassword) {

try{
Class.forName(Str);
}catch(java.lang.ClassNotFoundException e){e.getMessage();}

this.id=id;
this.username=username;
this.userpassword=userpassword;
}
public static UserEntity queryUser(String username) throws SQLException{
try{
Class.forName(Str);
}catch(java.lang.ClassNotFoundException e){e.getMessage();}
String sql="select user_id,user_name,user_password from user where user_password=?";
ResultSet rs=null;
try{

conn=DriverManager.getConnection(url);
PreparedStatement prepStmt=conn.prepareStatement(sql);
prepStmt.setString(1,username);
rs=prepStmt.executeQuery();
}catch(SQLException e){e.getMessage();}

UserEntity user=null;
if(rs.next())

user=new UserEntity(rs.getString(1),rs.getString(2),rs.getString(3));
return user;

}
public String getUserPassword(){

return userpassword;
}
public String getUserName(){
return username;
}
}




话题树型展开
人气 标题 作者 字数 发贴时间
1930 jsp+javabean 出错请求帮助 athen 14541 2005-04-18 23:20
1313 Re:jsp+javabean 出错请求帮助 athen 1510 2005-04-18 23:21
1322 Re:jsp+javabean 出错请求帮助 hh0514 331 2005-04-21 09:04

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