这个程序可以用来浏览MySQL中的数据,您可以稍做修改就可以做出很不错的MySQL浏览器.*//*?cmd=db?cmd=table&db={}?cmd=record&db={}&table={}*/$host = "localhost";$user = "test";$password = "";if(!isset($cmd)) $cmd = "db";switch($cmd){   case "db":      break;   case "table":      break;   case "record":      break;   default:      $cmd = "db";      break;}$con = @mysql_connect($host,$user,$password) or die("无法连接".$host);switch($cmd){   case "db":      $dbs = mysql_list_dbs($con) or die("mysql_list_dbs 出错:".$php_errmsg);      echo "databases on ".$host.":<br>".chr(13);      $num_rows = mysql_num_rows($dbs);      for($i=0;$i<$num_rows;$i++){         $db = mysql_tablename($dbs,$i);         echo "    <a href="".$PHP_SELF."?cmd=table&db=".              urlencode($db)."">".$db."</a><br>".chr(13);      }      mysql_free_result($dbs);      break;   case "table":      $tables = @mysql_list_tables($db,$con) or die("mysql_list_tables 出错:".                $php_errmsg);      echo "tables on ".$db." of ".$host.":<br>".chr(13);      $num_rows = mysql_num_rows($tables);      for($i=0;$i<$num_rows;$i++){         $table = mysql_tablename($tables,$i);         echo "    <a href="".$PHP_SELF."?cmd=record&db=".              urlencode($db)."&table=".urlencode($table)."">".$table."</a><br>".              chr(13);      }      mysql_free_result($tables);      echo "<hr><a href="".$PHP_SELF."?cmd=db">show databases</a>".chr(13);      break;   case "record":      $records = mysql_db_query($db,"select * from ".$table,$con) or                 die("mysql_db_query 出错:".$php_errmsg);      echo "records on ".$table.":<br>".chr(13);      echo "<table border="1" cellspacing="0" cellpadding="0">".chr(13);      echo "<tr>".chr(13);      $num_fields = mysql_num_fields($records);      for($i=0;$i<$num_fields;$i++)         echo "<th> ".mysql_field_name($records,$i)."</th>".chr(13);      echo "</tr>".chr(13);      while($row=mysql_fetch_row($records)){         echo "<tr>".chr(13);         for($i=0;$i<$num_fields;$i++)            echo "<td> ".$row[$i]."</td>".chr(13);         echo "</tr>".chr(13);      }      echo "</table>".chr(13);      mysql_free_result($records);      echo "<hr><a href="".$PHP_SELF."?cmd=db">show databases</a>             <a href="".$PHP_SELF."?cmd=table&db=".urlencode($db)."">show tables           </a>".chr(13);      break;}mysql_close($con) or die("无法与".$host."断开连接");?>