| 代码如下 | 复制代码 |
| * 1、连接服务器 2、各类sql动作 */ class mysql{ private $host; //服务器地址 private $name; //用户名称 private $pass; //密码 private $table; //连接数据库教程 private $jiema; //设置解码 private $ztime; //设置服务器的时区 //构造函数 function __construct($host,$name,$pass,$table,$jiema,$ztime){ $this -> host = $host ; $this -> name = $name ; $this -> pass = $pass ; $this -> table = $table ; $this -> jiema = $jiema ; $this -> ztime = $ztime ; $this -> connect(); } //数据库连接和设置 function connect(){ $link=@mysql_connect($this->host,$this->name,$this->pass) or die ("连接服务器失败"); @mysql_select_db($this->table,$link) or die("连接数据失败"); @mysql_query("set names '$this->jiema'"); @date_default_timezone_set("$this->ztime"); } //执行操作 function query($sql) { if(!($query = @mysql_query($sql))) $this->show($sql); return $query; } //显示信息 function show($message = '', $sql = '') { if(!$sql) echo $message; else echo $message.'<br>'.$sql; } //取得数据集的某个值 function result($query,$row,$values) { return @mysql_result($query,$row,$values); } //取得数据集的某个值 function get_values($table,$row,$values) { $query = $this -> query("select * from $table"); $returnvalues = mysql_result($query,$row,$values); return $returnvalues; } //取得数据集的行数 function num_rows($query) { return @mysql_num_rows($query); } //循环读取数据 function fetch($query) { return @mysql_fetch_array($query); } //最后一次插入纪录的id值 function insert_id() { return mysql_insert_id(); } //取得数据集中的一行 function fetch_row($query) { return mysql_fetch_row($query); } //插入一条数据 function fn_insert($table,$name,$value){ if($this->query("insert into $table ($name) values ($value)")){ return true; }else{ return false; } } //插入任意数据 function sql_insert($tbname,$postvalues){ foreach ($postvalues as $key => $value) { $postvalue .= "`".$key."`".","; $sqlvalue .= "'".$value."',"; } $sqlfield = mb_substr("$postvalue",0,-1,'gbk'); $sqlvalue = mb_substr("$sqlvalue",0,-1,'gbk'); if($this-> fn_insert("$tbname","$sqlfield","$sqlvalue")){ return true; }else{ return false; } } //修改万能数据 function sql_update($table,$postvalues,$wwhere){ foreach ($postvalues as $key=>$value) { $sqlfield .= $key."="."'".$value."'".","; } $sqlfield= mb_substr("$sqlfield",0,-1,'gbk'); if($this->fn_update("$table","$sqlfield","$wwhere")){ return true; }else{ return false; } } //修改一条数据 function fn_update($table,$value,$wwhere){ if($this->query("update $table set $value where $wwhere")){ return true; }else{ return false; } } //删除一条数据 function sql_delete($table,$wwhere){ if($this->query("delete from $table where $wwhere")){ return true; }else{ return false; } } //关闭数据连接 function close() { return mysql_close(); } } $db = new mysql($location['host'],$location['hostname'],$location['hostpass'],$location['table'],$location['jiema'],$location['ztime']); ?> |
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时间： 2024-10-30 12:16:14