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jphp
10年前发布

面向对象的mysql数据库操作php类

<?php  class database {          var $host = NULL;      var $username = NULL;      var $password = NULL;      var $databaseName = NULL;      var $link = NULL;      var $queries = NULL;      var $errors = NULL;          var $databaseExtras = NULL;          function __construct($host, $username, $password, $database) {          $this->database($host, $username, $password, $database);      }          function database($host, $username, $password, $database) {          /*$this->database = array (                  "host" => $host,                  "username" => $username,                  "password" => $password,                  "database" => $database,                  "link" => "",                  "queries" => array (),                  "errors" => array ()              );*/              $this->host = $host;          $this->username = $username;          $this->password = $password;          $this->databaseName = $database;          $this->link = "";          $this->queries = array ();          $this->errors = array ();              $this->databaseExtras = new stdClass;              $this->link = mysql_connect($this->host, $this->username, $this->password) or die("Could not connect to Database");          mysql_select_db($this->databaseName);      }          function justquery($sql) {          $this->queries[] = $sql;          return mysql_query($sql, $this->link);      }          function loadResult($sql) {          if (!($cur = $this->justquery($sql))) {              return null;          }          $ret = null;          if ($row = mysql_fetch_row( $cur )) {              $ret = $row[0];          }          mysql_free_result( $cur );          return $ret;      }          function loadFirstRow($sql) {          if (!($cur = $this->justquery($sql))) {              return null;          }          $ret = null;          if ($row = mysql_fetch_object( $cur )) {              $ret = $row;          }          mysql_free_result( $cur );          return $ret;      }          function insertid() {          return mysql_insert_id( $this->link );      }          function query($sql, $key = "", $returns = true, $batch = false) {          $result = array ();              switch ($batch) {              default:              case true:                  foreach ($sql as $index => $query) {                      $this->queries[] = $query;                      $answer = mysql_query($query, $this->link);                          if (!$answer) {                          $this->errors[] = mysql_error($this->link);                      }                      else {                          if ($returns != false) {                              if (mysql_num_rows($answer) > 0){                                  while ($row = mysql_fetch_object($answer)) {                                      if ($key != ""){                                          $result[$index][$row->$key] = $row;                                      }                                      else {                                          $result[$index][] = $row;                                      }                                  }                              } else {}                          } else {}                      }                  }                  break;                  case false:                  $this->queries[] = $sql;                  $answer = mysql_query($sql, $this->link);                      if (!$answer) {                      $this->errors[] = mysql_error($this->link);                      $result = false;                  }                  else {                      if ($returns != false) {                          if (mysql_num_rows($answer) > 0){                              while ($row = mysql_fetch_object($answer)) {                                  if ($key != ""){                                      $result[$row->$key] = $row;                                  }                                  else {                                      $result[] = $row;                                  }                              }                          } else {}                      }                      else {                          $result = true;                      }                  }                  break;          }              return $result;      }          function loadObject( $sql, &$object ) {          if ($object != null) {              if (!($cur = $this->justquery($sql))) {                  return false;              } else {}              if ($array = mysql_fetch_assoc( $cur )) {                  mysql_free_result( $cur );                  $this->bindArrayToObject( $array, $object);                  return true;              }              else {                  return false;              }          }          else {              if ($cur = $this->justquery($sql)) {                  if ($object = mysql_fetch_object( $cur )) {                      mysql_free_result( $cur );                      return true;                  }                  else {                      $object = null;                      return false;                  }              }              else {                  return false;              }          }      }          function bindArrayToObject( $array, &$obj) {          if (!is_array( $array ) || !is_object( $obj )) {              return (false);          }              foreach (get_object_vars($obj) as $k => $v) {              if( substr( $k, 0, 1 ) != '_' ) {                  $ak = $k;                  if (isset($array[$ak])) {                      $obj->$k = $array[$ak];                  }              }          }              return true;      }          function formatCSVCell($data) {          $useQuotes = false;              $quotable = array (                  "\"" => "\"\"",                  "," => ",",                  "\n" => "\n"              );              foreach ($quotable as $char => $repl) {              if (eregi($char, $data)) {                  $useQuotes = true;              } else {}          }              if ($useQuotes == true) {              foreach ($quotable as $char => $repl) {                  $data = str_replace($char, $repl, $data);              }                  $data = "\"" . $data . "\"";          }          else {              }              return $data;      }  }  ?>