943 lines
27 KiB
PHP
Executable File
943 lines
27 KiB
PHP
Executable File
<?php
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if (!defined('IN_ECS'))
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{
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die('Hacking attempt');
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}
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class cls_mysql
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{
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var $link_id = NULL;
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var $settings = array();
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var $queryCount = 0;
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var $queryTime = '';
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var $queryLog = array();
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var $max_cache_time = 300; // 最大的缓存时间,以秒为单位
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var $cache_data_dir = 'temp/query_caches/';
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var $root_path = '';
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var $error_message = array();
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var $platform = '';
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var $version = '';
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var $dbhash = '';
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var $starttime = 0;
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var $timeline = 0;
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var $timezone = 0;
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// 事务指令数
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protected $transTimes = 0;
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var $mysql_config_cache_file_time = 0;
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var $mysql_disable_cache_tables = array(); // 不允许被缓存的表,遇到将不会进行缓存
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// function __construct($dbhost, $dbuser, $dbpw, $dbname = '', $charset = 'gbk', $pconnect = 0, $quiet = 0)
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// {
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// $this->cls_mysql($dbhost, $dbuser, $dbpw, $dbname, $charset, $pconnect, $quiet);
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// }
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function __construct($dbhost, $dbuser, $dbpw, $dbname = '', $charset = 'gbk', $pconnect = 0, $quiet = 0)
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{
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if (defined('EC_CHARSET'))
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{
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$charset = strtolower(str_replace('-', '', EC_CHARSET));
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}
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if (defined('ROOT_PATH') && !$this->root_path)
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{
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$this->root_path = ROOT_PATH;
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}
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if ($quiet)
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{
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$this->connect($dbhost, $dbuser, $dbpw, $dbname, $charset, $pconnect, $quiet);
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}
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else
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{
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$this->settings = array(
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'dbhost' => $dbhost,
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'dbuser' => $dbuser,
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'dbpw' => $dbpw,
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'dbname' => $dbname,
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'charset' => $charset,
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'pconnect' => $pconnect
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);
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}
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}
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function connect($dbhost, $dbuser, $dbpw, $dbname = '', $charset = 'utf8', $pconnect = 0, $quiet = 0)
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{
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if ($pconnect)
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{
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$this->link_id = new mysqli('p:'.$dbhost, $dbuser, $dbpw);
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if ($this->link_id->connect_error)
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{
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if (!$quiet)
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{
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$this->ErrorMsg("Can't pConnect MySQL Server($dbhost)!");
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}
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return false;
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}
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}
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else
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{
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$this->link_id = new mysqli($dbhost, $dbuser, $dbpw);
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if ($this->link_id->connect_error)
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{
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if (!$quiet)
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{
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$this->ErrorMsg("Can't Connect MySQL Server($dbhost)!");
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}
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return false;
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}
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}
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$this->dbhash = md5($this->root_path . $dbhost . $dbuser . $dbpw . $dbname);
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$this->version = $this->link_id->server_version;
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/* 对字符集进行初始化 */
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$this->link_id->set_charset($charset);
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$this->link_id->query("SET sql_mode=''");
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$sqlcache_config_file = $this->root_path . $this->cache_data_dir . 'sqlcache_config_file_' . $this->dbhash . '.php';
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@include($sqlcache_config_file);
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$this->starttime = time();
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if ($this->max_cache_time && $this->starttime > $this->mysql_config_cache_file_time + $this->max_cache_time)
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{
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if ($dbhost != '.')
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{
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$result = $this->link_id->query("SHOW VARIABLES LIKE 'basedir'");
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$row = $result->fetch_array(MYSQLI_ASSOC);
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$result->free();
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if (!empty($row['Value']{1}) && $row['Value']{1} == ':' && !empty($row['Value']{2}) && $row['Value']{2} == "/")
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{
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$this->platform = 'WINDOWS';
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}
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else
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{
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$this->platform = 'OTHER';
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}
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}
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else
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{
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$this->platform = 'WINDOWS';
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}
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if ($this->platform == 'OTHER' &&
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($dbhost != '.' && strtolower($dbhost) != 'localhost:3306' && $dbhost != '127.0.0.1:3306') ||
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date_default_timezone_get() == 'UTC')
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{
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$result = $this->link_id->query("SELECT UNIX_TIMESTAMP() AS timeline, UNIX_TIMESTAMP('" . date('Y-m-d H:i:s', $this->starttime) . "') AS timezone");
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$row = $result->fetch_array(MYSQLI_ASSOC);
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$result->free();
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if ($dbhost != '.' && strtolower($dbhost) != 'localhost:3306' && $dbhost != '127.0.0.1:3306')
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{
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$this->timeline = $this->starttime - $row['timeline'];
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}
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if (date_default_timezone_get() == 'UTC')
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{
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$this->timezone = $this->starttime - $row['timezone'];
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}
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}
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$content = '<' . "?php\r\n" .
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'$this->mysql_config_cache_file_time = ' . $this->starttime . ";\r\n" .
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'$this->timeline = ' . $this->timeline . ";\r\n" .
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'$this->timezone = ' . $this->timezone . ";\r\n" .
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'$this->platform = ' . "'" . $this->platform . "';\r\n?" . '>';
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@file_put_contents($sqlcache_config_file, $content);
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}
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/* 选择数据库 */
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if ($dbname)
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{
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if ($this->link_id->select_db($dbname) === false )
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{
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if (!$quiet)
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{
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$this->ErrorMsg("Can't select MySQL database($dbname)!");
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}
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return false;
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}
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else
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{
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return true;
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}
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}
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else
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{
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return true;
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}
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}
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function select_database($dbname)
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{
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return $this->link_id->select_db($dbname);
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}
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function set_mysql_charset($charset)
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{
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if (in_array(strtolower($charset), array('gbk', 'big5', 'utf-8', 'utf8')))
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{
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$charset = str_replace('-', '', $charset);
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}
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$this->link_id->set_charset($charset);
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}
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function fetch_array($query, $result_type = MYSQLI_ASSOC)
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{
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$row = $query->fetch_array($result_type);
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$query->free();
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return $row;
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}
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function query($sql, $type = '')
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{
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if ($this->link_id === NULL)
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{
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$this->connect($this->settings['dbhost'], $this->settings['dbuser'], $this->settings['dbpw'], $this->settings['dbname'], $this->settings['charset'], $this->settings['pconnect']);
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$this->settings = array();
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}
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if ($this->queryCount++ <= 99)
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{
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$this->queryLog[] = $sql;
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}
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if ($this->queryTime == '')
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{
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if (PHP_VERSION >= '5.0.0')
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{
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$this->queryTime = microtime(true);
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}
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else
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{
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$this->queryTime = microtime();
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}
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}
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/* 当当前的时间大于类初始化时间的时候,自动执行 ping 这个自动重新连接操作 */
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if (time() > $this->starttime + 1)
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{
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$this->link_id->ping();
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}
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if (!($query = $this->link_id->query($sql)) && $type != 'SILENT')
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{
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$this->error_message[]['message'] = 'MySQL Query Error';
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$this->error_message[]['sql'] = $sql;
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$this->error_message[]['error'] = $this->link_id->error;
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$this->error_message[]['errno'] = $this->link_id->errno;
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$this->ErrorMsg();
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return false;
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}
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if (defined('DEBUG_MODE') && (DEBUG_MODE & 8) == 8)
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{
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$logfilename = $this->root_path . DATA_DIR . '/mysql_query_' . $this->dbhash . '_' . date('Y_m_d') . '.log';
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$str = $sql . "\n\n";
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if (PHP_VERSION >= '5.0')
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{
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file_put_contents($logfilename, $str, FILE_APPEND);
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}
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else
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{
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$fp = @fopen($logfilename, 'ab+');
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if ($fp)
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{
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fwrite($fp, $str);
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fclose($fp);
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}
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}
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}
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return $query;
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}
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function affected_rows()
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{
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return $this->link_id->affected_rows;
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}
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function error()
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{
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return $this->link_id->error;
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}
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function errno()
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{
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return $this->link_id->errno;
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}
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function result($query, $row)
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{
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$query->data_seek($row);
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$result = $query->fetch_row();
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$query->free();
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return $result;
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}
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function num_rows($query)
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{
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return $query->num_rows;
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}
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function num_fields($query)
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{
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return $this->link_id->field_count;
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}
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function free_result($query)
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{
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return $query->free();
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}
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function insert_id()
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{
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return $this->link_id->insert_id;
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}
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function fetchRow($query)
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{
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return $query->fetch_assoc();
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}
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function fetch_fields($query)
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{
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return $query->fetch_field();
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}
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function version()
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{
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return $this->version;
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}
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function ping()
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{
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return $this->link_id->ping();
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}
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function escape_string($unescaped_string)
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{
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return $this->link_id->real_escape_string($unescaped_string);
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}
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function close()
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{
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return $this->link_id->close();
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}
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function ErrorMsg($message = '', $sql = '')
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{
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if ($message)
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{
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echo "<b>DTXB info</b>: $message\n\n<br /><br />";
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//print('<a href="http://faq.comsenz.com/?type=mysql&dberrno=2003&dberror=Can%27t%20connect%20to%20MySQL%20server%20on" target="_blank">http://faq.comsenz.com/</a>');
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}
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else
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{
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echo "<b>MySQL server error report:";
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print_r($this->error_message);
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//echo "<br /><br /><a href='http://faq.comsenz.com/?type=mysql&dberrno=" . $this->error_message[3]['errno'] . "&dberror=" . urlencode($this->error_message[2]['error']) . "' target='_blank'>http://faq.comsenz.com/</a>";
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}
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exit;
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}
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/* 仿真 Adodb 函数 */
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function selectLimit($sql, $num, $start = 0)
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{
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if ($start == 0)
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{
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$sql .= ' LIMIT ' . $num;
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}
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else
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{
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$sql .= ' LIMIT ' . $start . ', ' . $num;
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}
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return $this->query($sql);
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}
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function getOne($sql, $limited = false)
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{
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if ($limited == true)
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{
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$sql = trim($sql . ' LIMIT 1');
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}
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$res = $this->query($sql);
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if ($res !== false)
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{
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$row = $res->fetch_row();
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$res->free();
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if ($row !== false)
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{
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return $row[0];
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}
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else
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{
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return '';
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}
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}
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else
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{
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return false;
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}
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}
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function getOneCached($sql, $cached = 'FILEFIRST')
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{
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$sql = trim($sql . ' LIMIT 1');
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$cachefirst = ($cached == 'FILEFIRST' || ($cached == 'MYSQLFIRST' && $this->platform != 'WINDOWS')) && $this->max_cache_time;
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if (!$cachefirst)
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{
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return $this->getOne($sql, true);
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}
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else
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{
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$result = $this->getSqlCacheData($sql, $cached);
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if (empty($result['storecache']) == true)
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{
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return $result['data'];
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}
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}
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$arr = $this->getOne($sql, true);
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if ($arr !== false && $cachefirst)
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{
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$this->setSqlCacheData($result, $arr);
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}
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return $arr;
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}
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function getAll($sql)
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{
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$res = $this->query($sql);
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if ($res !== false)
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{
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$arr = $res->fetch_all(MYSQLI_ASSOC);
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$res->free();
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return $arr;
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}
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else
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{
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return false;
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}
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}
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function getAllCached($sql, $cached = 'FILEFIRST')
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{
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$cachefirst = ($cached == 'FILEFIRST' || ($cached == 'MYSQLFIRST' && $this->platform != 'WINDOWS')) && $this->max_cache_time;
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if (!$cachefirst)
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{
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return $this->getAll($sql);
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}
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else
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{
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$result = $this->getSqlCacheData($sql, $cached);
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if (empty($result['storecache']) == true)
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{
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return $result['data'];
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}
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}
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$arr = $this->getAll($sql);
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if ($arr !== false && $cachefirst)
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{
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$this->setSqlCacheData($result, $arr);
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}
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return $arr;
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}
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function getRow($sql, $limited = false)
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{
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if ($limited == true)
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{
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$sql = trim($sql . ' LIMIT 1');
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}
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//echo $sql;
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$res = $this->query($sql);
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if ($res !== false)
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{
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$result = $res->fetch_assoc();
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$res->free();
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return $result;
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}
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else
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{
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return false;
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}
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}
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function getRowCached($sql, $cached = 'FILEFIRST')
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{
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$cachefirst = ($cached == 'FILEFIRST' || ($cached == 'MYSQLFIRST' && $this->platform != 'WINDOWS')) && $this->max_cache_time;
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if (!$cachefirst)
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{
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return $this->getRow($sql, true);
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}
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else
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{
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$result = $this->getSqlCacheData($sql, $cached);
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if (empty($result['storecache']) == true)
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{
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return $result['data'];
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}
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}
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$arr = $this->getRow($sql, true);
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if ($arr !== false && $cachefirst)
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{
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$this->setSqlCacheData($result, $arr);
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}
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return $arr;
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}
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function getCol($sql)
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{
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$res = $this->query($sql);
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if ($res !== false)
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{
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$arr = array();
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while ($row = $res->fetch_row())
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{
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$arr[] = $row[0];
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}
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$res->free();
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return $arr;
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}
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|
else
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{
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return false;
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}
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}
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function getColCached($sql, $cached = 'FILEFIRST')
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{
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$cachefirst = ($cached == 'FILEFIRST' || ($cached == 'MYSQLFIRST' && $this->platform != 'WINDOWS')) && $this->max_cache_time;
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if (!$cachefirst)
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{
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return $this->getCol($sql);
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}
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else
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{
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$result = $this->getSqlCacheData($sql, $cached);
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if (empty($result['storecache']) == true)
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{
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return $result['data'];
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}
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}
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$arr = $this->getCol($sql);
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if ($arr !== false && $cachefirst)
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{
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$this->setSqlCacheData($result, $arr);
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}
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return $arr;
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}
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|
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function autoExecute($table, $field_values, $mode = 'INSERT', $where = '', $querymode = '')
|
|
{
|
|
$field_names = $this->getCol('DESC ' . $table);
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|
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$sql = '';
|
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if ($mode == 'INSERT')
|
|
{
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|
$fields = $values = array();
|
|
foreach ($field_names AS $value)
|
|
{
|
|
if (array_key_exists($value, $field_values) == true)
|
|
{
|
|
$fields[] = $value;
|
|
$values[] = "'" . $field_values[$value] . "'";
|
|
}
|
|
}
|
|
|
|
if (!empty($fields))
|
|
{
|
|
$sql = 'INSERT INTO ' . $table . ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$sets = array();
|
|
foreach ($field_names AS $value)
|
|
{
|
|
if (array_key_exists($value, $field_values) == true)
|
|
{
|
|
$sets[] = $value . " = '" . $field_values[$value] . "'";
|
|
}
|
|
}
|
|
|
|
if (!empty($sets))
|
|
{
|
|
$sql = 'UPDATE ' . $table . ' SET ' . implode(', ', $sets) . ' WHERE ' . $where;
|
|
}
|
|
}
|
|
|
|
if ($sql)
|
|
{
|
|
return $this->query($sql, $querymode);
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function autoReplace($table, $field_values, $update_values, $where = '', $querymode = '')
|
|
{
|
|
$field_descs = $this->getAll('DESC ' . $table);
|
|
|
|
$primary_keys = array();
|
|
foreach ($field_descs AS $value)
|
|
{
|
|
$field_names[] = $value['Field'];
|
|
if ($value['Key'] == 'PRI')
|
|
{
|
|
$primary_keys[] = $value['Field'];
|
|
}
|
|
}
|
|
|
|
$fields = $values = array();
|
|
foreach ($field_names AS $value)
|
|
{
|
|
if (array_key_exists($value, $field_values) == true)
|
|
{
|
|
$fields[] = $value;
|
|
$values[] = "'" . $field_values[$value] . "'";
|
|
}
|
|
}
|
|
|
|
$sets = array();
|
|
foreach ($update_values AS $key => $value)
|
|
{
|
|
if (array_key_exists($key, $field_values) == true)
|
|
{
|
|
if (is_int($value) || is_float($value))
|
|
{
|
|
$sets[] = $key . ' = ' . $key . ' + ' . $value;
|
|
}
|
|
else
|
|
{
|
|
$sets[] = $key . " = '" . $value . "'";
|
|
}
|
|
}
|
|
}
|
|
|
|
$sql = '';
|
|
if (empty($primary_keys))
|
|
{
|
|
if (!empty($fields))
|
|
{
|
|
$sql = 'INSERT INTO ' . $table . ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ($this->version() >= '4.1')
|
|
{
|
|
if (!empty($fields))
|
|
{
|
|
$sql = 'INSERT INTO ' . $table . ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
|
|
if (!empty($sets))
|
|
{
|
|
$sql .= 'ON DUPLICATE KEY UPDATE ' . implode(', ', $sets);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (empty($where))
|
|
{
|
|
$where = array();
|
|
foreach ($primary_keys AS $value)
|
|
{
|
|
if (is_numeric($value))
|
|
{
|
|
$where[] = $value . ' = ' . $field_values[$value];
|
|
}
|
|
else
|
|
{
|
|
$where[] = $value . " = '" . $field_values[$value] . "'";
|
|
}
|
|
}
|
|
$where = implode(' AND ', $where);
|
|
}
|
|
|
|
if ($where && (!empty($sets) || !empty($fields)))
|
|
{
|
|
if (intval($this->getOne("SELECT COUNT(*) FROM $table WHERE $where")) > 0)
|
|
{
|
|
if (!empty($sets))
|
|
{
|
|
$sql = 'UPDATE ' . $table . ' SET ' . implode(', ', $sets) . ' WHERE ' . $where;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!empty($fields))
|
|
{
|
|
$sql = 'REPLACE INTO ' . $table . ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($sql)
|
|
{
|
|
return $this->query($sql, $querymode);
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function setMaxCacheTime($second)
|
|
{
|
|
$this->max_cache_time = $second;
|
|
}
|
|
|
|
function getMaxCacheTime()
|
|
{
|
|
return $this->max_cache_time;
|
|
}
|
|
|
|
function getSqlCacheData($sql, $cached = '')
|
|
{
|
|
$sql = trim($sql);
|
|
|
|
$result = array();
|
|
$result['filename'] = $this->root_path . $this->cache_data_dir . 'sqlcache_' . abs(crc32($this->dbhash . $sql)) . '_' . md5($this->dbhash . $sql) . '.php';
|
|
|
|
$data = @file_get_contents($result['filename']);
|
|
if (isset($data{23}))
|
|
{
|
|
$filetime = substr($data, 13, 10);
|
|
$data = substr($data, 23);
|
|
|
|
if (($cached == 'FILEFIRST' && time() > $filetime + $this->max_cache_time) || ($cached == 'MYSQLFIRST' && $this->table_lastupdate($this->get_table_name($sql)) > $filetime))
|
|
{
|
|
$result['storecache'] = true;
|
|
}
|
|
else
|
|
{
|
|
$result['data'] = @unserialize($data);
|
|
if ($result['data'] === false)
|
|
{
|
|
$result['storecache'] = true;
|
|
}
|
|
else
|
|
{
|
|
$result['storecache'] = false;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$result['storecache'] = true;
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
function setSqlCacheData($result, $data)
|
|
{
|
|
if ($result['storecache'] === true && $result['filename'])
|
|
{
|
|
@file_put_contents($result['filename'], '<?php exit;?>' . time() . serialize($data));
|
|
clearstatcache();
|
|
}
|
|
}
|
|
|
|
/* 获取 SQL 语句中最后更新的表的时间,有多个表的情况下,返回最新的表的时间 */
|
|
function table_lastupdate($tables)
|
|
{
|
|
if ($this->link_id === NULL)
|
|
{
|
|
$this->connect($this->settings['dbhost'], $this->settings['dbuser'], $this->settings['dbpw'], $this->settings['dbname'], $this->settings['charset'], $this->settings['pconnect']);
|
|
$this->settings = array();
|
|
}
|
|
|
|
$lastupdatetime = '0000-00-00 00:00:00';
|
|
|
|
$tables = str_replace('`', '', $tables);
|
|
$this->mysql_disable_cache_tables = str_replace('`', '', $this->mysql_disable_cache_tables);
|
|
|
|
foreach ($tables AS $table)
|
|
{
|
|
if (in_array($table, $this->mysql_disable_cache_tables) == true)
|
|
{
|
|
$lastupdatetime = '2037-12-31 23:59:59';
|
|
|
|
break;
|
|
}
|
|
|
|
if (strstr($table, '.') != NULL)
|
|
{
|
|
$tmp = explode('.', $table);
|
|
$sql = 'SHOW TABLE STATUS FROM `' . trim($tmp[0]) . "` LIKE '" . trim($tmp[1]) . "'";
|
|
}
|
|
else
|
|
{
|
|
$sql = "SHOW TABLE STATUS LIKE '" . trim($table) . "'";
|
|
}
|
|
$result = $this->link_id->query($sql);
|
|
$row = $result->fetch_assoc();
|
|
if ($row['Update_time'] > $lastupdatetime)
|
|
{
|
|
$lastupdatetime = $row['Update_time'];
|
|
}
|
|
}
|
|
$lastupdatetime = strtotime($lastupdatetime) - $this->timezone + $this->timeline;
|
|
|
|
return $lastupdatetime;
|
|
}
|
|
|
|
function get_table_name($query_item)
|
|
{
|
|
$query_item = trim($query_item);
|
|
$table_names = array();
|
|
|
|
/* 判断语句中是不是含有 JOIN */
|
|
if (stristr($query_item, ' JOIN ') == '')
|
|
{
|
|
/* 解析一般的 SELECT FROM 语句 */
|
|
if (preg_match('/^SELECT.*?FROM\s*((?:`?\w+`?\s*\.\s*)?`?\w+`?(?:(?:\s*AS)?\s*`?\w+`?)?(?:\s*,\s*(?:`?\w+`?\s*\.\s*)?`?\w+`?(?:(?:\s*AS)?\s*`?\w+`?)?)*)/is', $query_item, $table_names))
|
|
{
|
|
$table_names = preg_replace('/((?:`?\w+`?\s*\.\s*)?`?\w+`?)[^,]*/', '\1', $table_names[1]);
|
|
|
|
return preg_split('/\s*,\s*/', $table_names);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* 对含有 JOIN 的语句进行解析 */
|
|
if (preg_match('/^SELECT.*?FROM\s*((?:`?\w+`?\s*\.\s*)?`?\w+`?)(?:(?:\s*AS)?\s*`?\w+`?)?.*?JOIN.*$/is', $query_item, $table_names))
|
|
{
|
|
$other_table_names = array();
|
|
preg_match_all('/JOIN\s*((?:`?\w+`?\s*\.\s*)?`?\w+`?)\s*/i', $query_item, $other_table_names);
|
|
|
|
return array_merge(array($table_names[1]), $other_table_names[1]);
|
|
}
|
|
}
|
|
|
|
return $table_names;
|
|
}
|
|
|
|
/* 设置不允许进行缓存的表 */
|
|
function set_disable_cache_tables($tables)
|
|
{
|
|
if (!is_array($tables))
|
|
{
|
|
$tables = explode(',', $tables);
|
|
}
|
|
|
|
foreach ($tables AS $table)
|
|
{
|
|
$this->mysql_disable_cache_tables[] = $table;
|
|
}
|
|
|
|
array_unique($this->mysql_disable_cache_tables);
|
|
}
|
|
|
|
|
|
/**
|
|
+----------------------------------------------------------
|
|
* 启动事务
|
|
+----------------------------------------------------------
|
|
* @access public
|
|
+----------------------------------------------------------
|
|
* @return void
|
|
+----------------------------------------------------------
|
|
*/
|
|
public function startTrans() {
|
|
//$this->initConnect(true);
|
|
if ( !$this->link_id ) return false;
|
|
//数据rollback 支持
|
|
if ($this->transTimes == 0) {
|
|
$this->link_id->autocommit(FALSE);
|
|
}
|
|
$this->transTimes++;
|
|
return ;
|
|
}
|
|
|
|
/**
|
|
+----------------------------------------------------------
|
|
* 用于非自动提交状态下面的查询提交
|
|
+----------------------------------------------------------
|
|
* @access public
|
|
+----------------------------------------------------------
|
|
* @return boolen
|
|
+----------------------------------------------------------
|
|
*/
|
|
public function commit()
|
|
{
|
|
if ($this->transTimes > 0) {
|
|
$result = $this->link_id->commit();
|
|
$this->transTimes = 0;
|
|
if(!$result){
|
|
$this->error_message[]['message'] = 'MySQL Query Error';
|
|
$this->error_message[]['sql'] = $sql;
|
|
$this->error_message[]['error'] = $this->link_id->error;
|
|
$this->error_message[]['errno'] = $this->link_id->errno;
|
|
$this->ErrorMsg();
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
+----------------------------------------------------------
|
|
* 事务回滚
|
|
+----------------------------------------------------------
|
|
* @access public
|
|
+----------------------------------------------------------
|
|
* @return boolen
|
|
+----------------------------------------------------------
|
|
*/
|
|
public function rollback()
|
|
{
|
|
if ($this->transTimes > 0) {
|
|
$result = $this->link_id->rollback();
|
|
$this->transTimes = 0;
|
|
if(!$result){
|
|
$this->error_message[]['message'] = 'MySQL Query Error';
|
|
$this->error_message[]['sql'] = $sql;
|
|
$this->error_message[]['error'] = $this->link_id->error;
|
|
$this->error_message[]['errno'] = $this->link_id->errno;
|
|
$this->ErrorMsg();
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
} |