PHP连接MYSQL数据库通用类


 
<?php
include "mysql.php";
$db = new Dirver(); 
$db->DBLink($dbhost='localhost', $dbuser='root', $password='password', $dbname='name', $pconnect=0);
?>
 
 
PHP连接MYSQL数据库类 
mysql.php
<?php
 
Class Dirver{
  
 
  //连接数据库
  //link database
  function DBLink($dbhost='localhost', $dbuser='root', $password='', $dbname='', $pconnect=0){
    $this->LinkID[$this->Line] = ($pconnect == 1)? @mysql_pconnect($dbhost, $dbuser, $password) : @mysql_connect($dbhost, $dbuser, $password) or die("Connect to MySQL ($dbhost,$dbuser) failed");
    //选择连接数据库
    //choose to link database
    @mysql_select_db($dbname, $this->LinkID[$this->Line]) or die('Cannot use database '.$dbname);
    return $this->LinkID[$this->Line];
  }
  
  //查询语句
  //view qurry
  function query($query,$limit='') {
    $this -> nums ++;
    //检测如果有限制数据集则处理
    //test if there is finite data,then function
    if($limit>0){
      $query = $query.' LIMIT '.$limit;
    }
    $this-> Lists[$this->Line][] = $query;
    
    
    $querys = mysql_query($query,$this->LinkID[$this->Line]);
    if(!$querys){
      $this->DB_Error($query);
    }
    return $querys;
  }
  
  //返回数组资料
  //back to array info
  function fetch_array($query) {
    return @mysql_fetch_array($query, MYSQL_ASSOC);
  }
  
  //返回数组资料
  //back to array info
  function result($query) {
    return @mysql_result($query,$this->LinkID[$this->Line]);
  }
  
  //返回数组资料行
  //back to row info
  function rows($query) {
    return $this->fetch_array($this->query($query));
  }
  
  
  //返回数组行
  //back to numrows
  function nums($query) {
    return $this->num_rows($this->query($query));
  }
  
  //取得返回列的数目
  //fetch the numbers backing out
  function num_rows($query){
    return @mysql_num_rows($query);
  }
  
  //返回单列的各字段
  //return to every field of single row 
  function fetch_row($query) {
    return @mysql_fetch_row($query);
  }
  
  //返回最后一次使用 INSERT 指令的 ID
  //return to inserted ID used last time
  function insert_id(){
    return @mysql_insert_id($this->LinkID[$this->Line]);
  }
  
  //关闭当前数据库连接
  //close current database link
  function close(){
    return @mysql_close($this->LinkID[$this->Line]);
  }
  
  //检测mysql版本
  //test mysql version
  function version(){
    $query = @mysql_query("SELECT VERSION()",$this->LinkID[$this->Line]);
    return  @mysql_result($query, 0);
  }
  
 
  //返回友情提示信息 更多http://www.52mvc.com
  //return to kindly note
  function DB_Error_t($query=''){
  
  }
  function DB_Error($query=''){
    global $PHP_SELF;
      
      //出错语句提示
      //error sentence 
      $errors = preg_replace("/'(.+?)'/is"," '<font color='#8899DF'><b>//1</b></font>' ",mysql_error());
      
 
        $charset ='';
        //提示语言
        //language noted
        $lang = Array('This SQL Error Info!', 'Error Script:', 'Present time:',
              'Http Host:', 'Server Name:', 'Server Software:',
              'Host IP Address:', 'Remote User Agent:', 'Current File:', 
              'Current Line:', 'Line.', 'The Error number:', 
              'The specific Error was:', 'SQL Query :', 'Not discover whateverly SQL Sentence ！');
        //时间处理
        //time
        $nowdate = date('Y-m-d H:i A');
        $errors = preg_replace("/'(.+?)'/is","'<font color='#8899DF'><b>//1</b></font>'",mysql_error());
      
      //检测是否有语句
      //test if there is any sentence.
      if($query==''){
        $query = $lang[14];
      }
      
      echo "<html>
  <head>
  <meta http-equiv='Content-Type' content='text/html; charset=$charset'>
  <title>$lang[0]</title>
  </head>
  <body>
  </body>
  </html>
  <table style='BORDER-COLLAPSE: collapse;font-size:9pt;' borderColor='#a8b7c6' cellSpacing='1' width='100%' border='1' cellpadding='3' align='center'>
          <tr>
            <td bgColor='#F9F9F9' height='38' colspan='2'>
            <font size='4' face='Arial' color='#800000'>$lang[0]</font></td>
          </tr>
          <tr>
            <td bgColor='#F9F9F9' width='165'>

补充：Web开发 , php ,