php 类

<?php
    class mysql{


     private $host;
     private $name;
     private $pass;
     private $table;
     private $ut;



     function __construct($host,$name,$pass,$table,$ut){
         $this->host=$host;
         $this->name=$name;
         $this->pass=$pass;
         $this->table=$table;
         $this->ut=$ut;
         $this->connect();

     }


     function connect(){
      $link=mysql_connect($this->host,$this->name,$this->pass) or die ($this->error());
      mysql_select_db($this->table,$link) or die("没该数据库：".$this->table);
      mysql_query("SET NAMES '$this->ut'");
     }
     
//-------------------------系统方法区------------------------------------

    function query($sql, $type = '') {
        if(!($query = mysql_query($sql))) $this->show('Say:', $sql);
        return $query;
    }

    function show($message = '', $sql = '') {
        if(!$sql) echo $message;
        else echo $message.'<br>'.$sql;
    }

    function affected_rows() {
        return mysql_affected_rows();
    }

    function result($query, $row) {
        return mysql_result($query, $row);
    }

    function num_rows($query) {
        return @mysql_num_rows($query);
    }

    function num_fields($query) {
        return mysql_num_fields($query);
    }

    function free_result($query) {
        return mysql_free_result($query);
    }

    function insert_id() {
        return mysql_insert_id();
    }

    function fetch_row($query) {
        return mysql_fetch_row($query);
    }

    function version() {
        return mysql_get_server_info();
    }

    function close() {
        return mysql_close();
    }


//---------------------功能方法区--------------------------------

    function fn_insert($table,$name,$value){

        $this->query("insert into $table ($name) value ($value)");

    }
    function fn_select($table){

        $this->query("select * from $table");

    }


   }


  $db =  new mysql('localhost','root','','db_tmlog',"utf-8");//数据库连接


?>