class使用办法哦
分类:热门资源

下面来看看在很多程序语言中会使用到的class吧,现在会举个简单的实例来实现php class,类申明,class使用方法哦。

<?php
/*
 * Explorer! 函数库
 * 编写日期:2008-06-29
 * 最后更新:2008-07-18 2:08
 *
 */
class System{//系统部分
 function usr_level($name){
  $SQL = new MySQL();
  $SQL->Query("SELECT `level` FROM `members` WHERE `username` = '$name';");
  $SQL->NextRecord();
  $TMP = $SQL->GetRecord('level');
  $SQL->Free();
  return $TMP;
 }
 function channel_level($cid){
  $SQL = new MySQL();
  $SQL->Query("SELECT `level` FROM `channels` WHERE `id` = $id;");
  $SQL->NextRecord();
  $TMP = $SQL->GetRecord('id');
  $SQL->Free();
  return $TMP;
 }
 function uid2name($uid){
  $SQL = new MySQL();
  if($SQL->Query("SELECT `username` FROM `members` WHERE `uid` = $uid;")){
   $SQL->NextRecord();
   $TMP = $SQL->GetRecord('username');
   $SQL->Free();
   return $TMP;
  }else{
   return 0;
  }
 }
 function name2uid($name){
  $SQL = new MySQL();
  if($SQL->Query("SELECT `uid` FROM `members` WHERE `username` = '$name';")){
   $SQL->NextRecord();
   $TMP = $SQL->GetRecord('uid');
   $SQL->Free();
   return $TMP;
  }else{
   return 0;
  }
 }
 function sysinfo($Name){//获取系统信息
  $SQL = new MySQL();
  $SQL->Query("SELECT * FROM `sysinfo`;");
  $SQL->NextRecord();
  $TMP = $SQL->GetRecord($Name);
  $SQL->Free();
  return $TMP;
 }
 function find_member($name){//查找该用户(注册时需要)
  $SQL = New MySQL();
  $SQL->Query("SELECT * FROM `members` WHERE `username` = '$name';");
  $RS = $SQL->RowS();
  $SQL->Free();
  if($RS)
   return 1;
  else
   return 0;
 }
 function str_safe($str){//字符串安全过滤
  $str = str_replace($str,";",";");
  $str = str_replace($str,"'","‘");
  $str = str_replace($str,"/","/");
  $str = str_replace($str,"`","`");
  $str = str_replace($str,"","\");
  return $str;
 }
 function GetMyIP()
 {
  if ($HTTP_SERVER_VARS["HTTP_X_FORWARDED_FOR"])
   $ip = $HTTP_SERVER_VARS["HTTP_X_FORWARDED_FOR"];
  elseif ($HTTP_SERVER_VARS["HTTP_CLIENT_IP"])
   $ip = $HTTP_SERVER_VARS["HTTP_CLIENT_IP"];
  elseif ($HTTP_SERVER_VARS["REMOTE_ADDR"])
   $ip = $HTTP_SERVER_VARS["REMOTE_ADDR"];
  elseif (getenv("HTTP_X_FORWARDED_FOR"))
   $ip = getenv("HTTP_X_FORWARDED_FOR");
  elseif (getenv("HTTP_CLIENT_IP"))
   $ip = getenv("HTTP_CLIENT_IP");
  elseif (getenv("REMOTE_ADDR"))
   $ip = getenv("REMOTE_ADDR");
  else
   $ip = "127.0.0.1";
  return $ip;
 }
 function Version(){
  return "1.0.9";
 }
}
class MySQL{//数据库部分
 var $DBServer = 'localhost';//服务器
 var $DBName = '';//数据库名称
 var $DBUser = '';//数据库用户
 var $DBPass = '';//数据库密码
 var $OnErrorResume = 1;//错误提示关闭
 var $LinkID = 0;//连接句柄
 var $QueryID = 0;//查询句柄
 var $ResultS = array();//查询结果集
 var $Error = '';//错误信息
 function Connect($Srv = "",$Usr = "",$Pass = "",$DB = ""){//连接数据库
  if($Srv == "") $Srv = $this->DBServer;
  if($Usr == "") $Usr = $this->DBUser;
  if($Pass == "") $Pass = $this->DBPass;
  if($DB == "") $DB = $this->DBName;
  if($this->LinkID == 0){
   $this->LinkID = @mysql_connect($Srv,$Usr,$Pass) or die("数据库连接失败,请联系管理员修复此问题。");
  }
  @mysql_select_db($DB,$this->LinkID) or die("数据库选择失败,请联系管理员修复此问题。");
  return $this->LinkID;
 }
 function Free(){//释放查询结果
  @mysql_free_result($this->QueryID);
  $this->QueryID = 0;
 }
 function RowS(){//查询到的记录总数
  if(!$this->QueryID) return 0;
  return @mysql_num_rows($this->QueryID);
 }
 function NextRecord(){//下一条记录
  if(!$this->QueryID) return 0;
  $this->ResultS = @mysql_fetch_array($this->QueryID);
 }
 function Seek($seek){
  if(!$this->QueryID) return 0;
  @mysql_data_seek($this->QueryID,$seek);
 }
 function Query($Sql){//执行查询
  if($Sql == "") return 0;
  if($this->LinkID == 0) $this->Connect();
  if($this->QueryID) $this->Free();//释放原来查询结果
  $this->QueryID = @mysql_query($Sql,$this->LinkID);
  $this->Error = mysql_error($this->LinkID);
  if(!$this->QueryID) exit("$Sql执行失败."); 
  return $this->QueryID; 
 }
 function GetRecord($Name){
  if(!$this->QueryID) return 0;
  return $this->ResultS[$Name];
 }
}
?>

<?php
$iipp=$_SERVER["REMOTE_ADDR"];
echo $iipp;
?>[/code][code]<?php
$user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"];
$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"];

?php/** Explorer! 函数库* 编写日期:2008-06-29* 最后更新:2008-07-18 2:08**/class System{//系统部分function usr_level($name){$SQL = new MySQL();$SQL-Query(SELECT `level` FROM `members` WHERE `username` = '$name';);$SQL-NextRecord();$TMP = $SQL-GetRecord('level');$SQL-Free();return $TMP;}function channel_level($cid){$SQL = new MySQL();$SQL-Query(SELECT `level` FROM `channels` WHERE `id` = $id;);$SQL-NextRecord();$TMP = $SQL-GetRecord('id');$SQL-Free();return $TMP;}function uid2name($uid){$SQL = new MySQL();if($SQL-Query(SELECT `username` FROM `members` WHERE `uid` = $uid;)){$SQL-NextRecord();$TMP = $SQL-GetRecord('username');$SQL-Free();return $TMP;}else{return 0;}}function name2uid($name){$SQL = new MySQL();if($SQL-Query(SELECT `uid` FROM `members` WHERE `username` = '$name';)){$SQL-NextRecord();$TMP = $SQL-GetRecord('uid');$SQL-Free();return $TMP;}else{return 0;}}function sysinfo($Name){//获取系统信息$SQL = new MySQL();$SQL-Query(SELECT * FROM `sysinfo`;);$SQL-NextRecord();$TMP = $SQL-GetRecord($Name);$SQL-Free();return $TMP;}function find_member($name){//查找该用户$SQL = New MySQL();$SQL-Query(SELECT * FROM `members` WHERE `username` = '$name';);$RS = $SQL-RowS();$SQL-Free();if($RS)return 1;elsereturn 0;}function str_safe($str){//字符串安全过滤$str = str_replace($str,;,;);$str = str_replace($str,',);$str = str_replace($str,/,/);$str = str_replace($str,`,`);$str = str_replace($str,/,\);return $str;}function GetMyIP(){if ($HTTP_SERVER_VARS[HTTP_X_FORWARDED_FOR])$ip = $HTTP_SERVER_VARS[HTTP_X_FORWARDED_FOR];elseif ($HTTP_SERVER_VARS[HTTP_CLIENT_IP])$ip = $HTTP_SERVER_VARS[HTTP_CLIENT_IP];elseif ($HTTP_SERVER_VARS[REMOTE_ADDR])$ip = $HTTP_SERVER_VARS[REMOTE_ADDR];elseif (getenv(HTTP_X_FORWARDED_FOR))$ip = getenv(HTTP_X_FORWARDED_FOR);elseif (getenv(HTTP_CLIENT_IP))$ip = getenv(HTTP_CLIENT_IP);elseif (getenv(REMOTE_ADDR))$ip = getenv(REMOTE_ADDR);else$ip = 127.0.0.1;return $ip;}function Version(){return 1.0.9;}}class MySQL{//数据库部分var $DBServer = 'localhost';//服务器var $DBName = '';//数据库名称var $DBUser = '';//数据库用户var $DBPass = '';//数据库密码var $OnErrorResume = 1;//错误提示关闭var $LinkID = 0;//连接句柄var $QueryID = 0;//查询句柄var $ResultS = array();//查询结果集var $Error = '';//错误信息function Connect($Srv = ,$Usr = ,$Pass = ,$DB = ){//连接数据库if($Srv == ) $Srv = $this-DBServer;if($Usr == ) $Usr = $this-DBUser;if($Pass == ) $Pass = $this-DBPass;if($DB == ) $DB = $this-DBName;if($this-LinkID == 0){$this-LinkID = @mysql_connect($Srv,$Usr,$Pass) or die(数据库连接失败,请联系管理员修复此问题。);}@mysql_select_db($DB,$this-LinkID) or die(数据库选择失败,请联系管理员修复此问题。);return $this-LinkID;}function Free(){//释放查询结果@mysql_free_result($this-QueryID);$this-QueryID = 0;}function RowS(){//查询到的记录总数if(!$this-QueryID) return 0;return @mysql_num_rows($this-QueryID);}function NextRecord(){//下一条记录if(!$this-QueryID) return 0;$this-ResultS = @mysql_fetch_array($this-QueryID);}function Seek($seek){if(!$this-QueryID) return 0;@mysql_data_seek($this-QueryID,$seek);}function Query($Sql){//执行查询if($Sql == ) return 0;if($this-LinkID == 0) $this-Connect();if($this-QueryID) $this-Free();//释放原来查询结果$this-QueryID = @mysql_query($Sql,$this-LinkID);$this-Error = mysql_error($this-LinkID);if(!$this-QueryID) exit($Sql执行失败.);return $this-QueryID;}function GetRecord($Name){if(!$this-QueryID) return 0;return $this-ResultS[$Name];}}?

echo $user_IP;
?>

<?php
function get_real_ip(){
$ip=false;
if(!empty($_SERVER["HTTP_CLIENT_IP"])){
$ip = $_SERVER["HTTP_CLIENT_IP"];
}
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$ips = explode (", ", $_SERVER['HTTP_X_FORWARDED_FOR']);
if ($ip) { array_unshift($ips, $ip); $ip = FALSE; }
for ($i = 0; $i < count($ips); $i++) {
if (!eregi ("^(10|172.16|192.168).", $ips[$i])) {
$ip = $ips[$i];
break;
}
}
}
return ($ip ? $ip : $_SERVER['REMOTE_ADDR']);
}

echo get_real_ip();
?>

<?php
if ($HTTP_SERVER_VARS["HTTP_X_FORWARDED_FOR"])
{
$ip = $HTTP_SERVER_VARS["HTTP_X_FORWARDED_FOR"];
}
elseif ($HTTP_SERVER_VARS["HTTP_CLIENT_IP"])
{
$ip = $HTTP_SERVER_VARS["HTTP_CLIENT_IP"];
}
elseif ($HTTP_SERVER_VARS["REMOTE_ADDR"])
{
$ip = $HTTP_SERVER_VARS[威尼斯正规官网,"REMOTE_ADDR"];
}
elseif (getenv("HTTP_X_FORWARDED_FOR"))
{
$ip = getenv("HTTP_X_FORWARDED_FOR");
}
elseif (getenv("HTTP_CLIENT_IP"))
{
$ip = getenv("HTTP_CLIENT_IP");
}
elseif (getenv("REMOTE_ADDR"))
{
$ip = getenv("REMOTE_ADDR");
}
else
{
$ip = "Unknown";
}
echo "你的IP:".$ip ;
?>

<?php
if(getenv('HTTP_CLIENT_IP')) {
$onlineip = getenv('HTTP_CLIENT_IP');
} elseif(getenv('HTTP_X_FORWARDED_FOR')) {
$onlineip = getenv('HTTP_X_FORWARDED_FOR');
} elseif(getenv('REMOTE_ADDR')) {
$onlineip = getenv('REMOTE_ADDR');
} else {
$onlineip = $HTTP_SERVER_VARS['REMOTE_ADDR'];
}
echo $onlineip;
?>

本文由威尼斯在线注册平台发布于热门资源,转载请注明出处:class使用办法哦

上一篇:路径信息及脚本位置的数组 下一篇:贰零壹贰-二〇一一年中华打字与印刷墨水行当竞争情况,结合行业上中游市镇、经营发卖路子及中夏族民共和国攻略
猜你喜欢
热门排行
精彩图文