jsp简单的留言本mysql和sqlserver版

				package wu;								import java.sql.*;				public class jdbc {								  public jdbc() {				  }				 Connection conn = null ;				 String re = "" ;				 //设置你的数据库ip				 String dbip = "127.0.0.1" ;				 //设置你的数据库用户名和密码：				 String use = "test" ;				 String pass = "user" ;				  public java.sql.Connection getConn(){				    try{				     //Class.forName("org.gjt.mm.mysql.Driver").newInstance();				     //String url ="jdbc:mysql://"+dbip+":3306/"+use+"?user="+use+"&password="+pass+"&useUnicode=true&characterEncoding=gb2312" ;				     //conn= DriverManager.getConnection(url);				     Class.forName("sun.jdbc.odbc.JdbcOdbcDriver").newInstance();				     conn = DriverManager.getConnection("jdbc:odbc:Test_DB",use,pass);				    }				    catch(Exception e){				    e.printStackTrace();				    }				    return this.conn ;				  }								  public String ex_chinese(String str){				     if(str==null){				     str  ="" ;				     }				     else{				         try {				        str = new String(str.getBytes("iso-8859-1"),"gb2312") ;				         }				         catch (Exception ex) {				         }				     }				     return str ;				  }								 public String gettime() {				    String datestr =  "" ;				    try {				    java.text.DateFormat df = new java.text.SimpleDateFormat("yyyy年MM月dd日 HH点ss分") ;				    java.util.Date date = new java.util.Date() ;				    datestr = df.format(new java.util.Date()) ;				    }				    catch (Exception ex) {								    }								    return datestr ;				  }				}