package yy;import java.io.*;import java.sql.*;public class jdbc {  public jdbc() {  } Connection conn = null ; //String re = "" ; //設置你的數據庫ip //String dbip = "127.0.0.1" ; //設置你的數據庫用戶名和密碼： //String use = "" ; //String pass = "" ;  public java.sql.Connection getConn(){    try{     Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver ").newInstance();     //String url ="jdbc:mysql://"+dbip+":3306/"+use+"?user="+use+"&password="+pass+"&useUnicode=true&characterEncoding=gb2312" ;     conn= DriverManager.getConnection("jdbc:microsoft:sqlserver://localhost:1433;databasename=yyForum","sa","");     ///Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");		}    catch(Exception e){    e.printStackTrace();    System.out.println("LICHAO");    }    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-M-d HH:ss") ;    java.util.Date date = new java.util.Date() ;    datestr = df.format(new java.util.Date()) ;    }    catch (Exception ex) {    }    return datestr ;  }}