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Mssql操作简单封装支持存储过程,封装类实例代码

基本代码:

正文实例呈报了PHP封装的数据库保存session成效类。分享给我们供大家参谋,具体如下:

废话十分的少说了,具体代码如下所示:

<?php
/*
 * class :Mssql
 * time :2009-12-10
 * author :Libaochang
 * version :1.0b
 * description :mssql database access class,it can execute the procedur or sql
*/
class MssqlUtil {
  var $user = null; //database user name
  var $keys = null; //database user password
  var $host = 'localhost'; //database host name/ip and port
  var $base = null; //database name
  var $link = null; //create link

  /** 
   * construct function init all parmeters
   * @param <type> $host database host name/ip and port
   * @param <type> $user database user name
   * @param <type> $keys database user password
   * @param <type> $base database name
   */
  function __construct($host, $user, $keys, $base) {
    $this->host = $host;
    $this->user = $user;
    $this->keys = $keys;
    $this->base = $base;
  }
  /** 
   * create the connection
   */
  function connect() {
    $this->link = mssql_connect($this->host, $this->user, $this->keys);
    if (!$this->link) {
      die('connecting failed...check the module and setting...');
    }
    $select = mssql_select_db($this->base, $this->link);
    if (!$select) {
      die('data base is not exist...,please checke it ...');
    }
  }
  /** 
   * execute the procedur width the parameter
   * @param <type> $pName procedur name
   * @param <type> $parName parameters it's like this $par=array('@a'=>'a')
   * @param <type> $sqlTyle the procedur's parameter type, it's llike this $sqlType=array(SQLVARCHAR,SQLVARCHAR); and there is not the char single quote mark(').
   * @return <type> object array
   */
  function executeProcedur($pName, $parName, $sqlTyle) {
    $this->connect();
    $stmt = mssql_init($pName, $this->link);
    if (isset($parName)) {
      $i = 0;
      foreach ($parName as $par => $value) {
        mssql_bind($stmt, $par, $value, $sqlTyle[$i]);
          $i;
      }
      $res = mssql_execute($stmt);
      $this->close();
      while ($row = mssql_fetch_assoc($res)) {
        $r[] = $row;
      }
      unset($i);
      mssql_free_result($res);
      mssql_free_statement($stmt);
      return $r;
    }
  }
  /** 
   * execute procedur without the parameter
   * @param <type> $pName Procedur Name
   * @return <type> object array
   */
  function executeProcedurNoPar($pName) {
    $this->connect();
    $stmt = mssql_init($pName, $this->link);
    $res = mssql_execute($stmt);
    $this->close();
    while ($row = mssql_fetch_assoc($res)) {
      $r[] = $row;
    }
    mssql_free_result($res);
    mssql_free_statement($stmt);
    return $r;
  }
  /** 
   * Get one row return Array
   * @param <type> $sql
   * @return <type> Array
   */
  function getRowArray($sql) {
    $res = $this->query($sql);
    $r = mssql_fetch_row($res);
    mssql_free_result($res);
    return $r;
  }
  /** 
   * Get one row return object
   * @param <type> $sql Sql
   * @return <type> Object
   */
  function getRowObject($sql) {
    $res = $this->query($sql);
    $r = mssql_fetch_assoc($res);
    return $r;
  }
  /** 
   * Execute one sql
   * @param <type> $sql Sql
   * @return <type> result
   */
  function query($sql) {
    $this->connect();
    $res = mssql_query($sql, $this->link);
    $this->close();
    return $res;
  }
  /** 
   * Get every row from result by Object, Return a Array with every element is Object
   * @param <type> $sql
   * @return <type> Object Array result
   */
  function getResult($sql) {
    $res = $this->query($sql);
    while ($row = mssql_fetch_assoc($res)) {
      $r[] = $row;
    }
    unset($row);
    mssql_free_result($res);
    return $r;
  }
  /** 
   * execute a sql
   * @param <type> $sql Sql
   */
  function executeSql($sql) {
    return $this->query($sql);
  }
  /** 
   * execute a sql statement
   * @param <type> $sql
   * @return <type> int $affected rows
   */
  function querySql($sql) {
    $this->connect();
    mssql_query($sql, $this->link);
    $affected = mssql_rows_affected($this->link);
    $this->close();
    return $affected;
  }
  /** 
   * close connection
   */
  function close() {
    mssql_close();
  }
}
?> 

PHP用数据库保存session类:

<?php
class mysql {
private $db_host; //数据库主机
private $db_user; //数据库用户名
private $db_pwd; //数据库用户名密码
private $db_database; //数据库名
private $conn; //数据库连接标识;
private $result; //执行query命令的结果资源标识
private $sql; //sql执行语句
private $row; //返回的条目数
private $coding; //数据库编码,GBK,UTF8,gb2312
private $bulletin = true; //是否开启错误记录
private $show_error = false; //测试阶段,显示所有错误,具有安全隐患,默认关闭
private $is_error = false; //发现错误是否立即终止,默认true,建议不启用,因为当有问题时用户什么也看不到是很苦恼的
/*构造函数*/
public function __construct($db_host, $db_user, $db_pwd, $db_database, $conn, $coding) {
$this->db_host = $db_host;
$this->db_user = $db_user;
$this->db_pwd = $db_pwd;
$this->db_database = $db_database;
$this->conn = $conn;
$this->coding = $coding;
$this->connect();
}
/*数据库连接*/
public function connect() {
if ($this->conn == "pconn") {
//永久链接
$this->conn = mysql_pconnect($this->db_host, $this->db_user, $this->db_pwd);
} else {
//即使链接
$this->conn = mysql_connect($this->db_host, $this->db_user, $this->db_pwd);
}
if (!mysql_select_db($this->db_database, $this->conn)) {
if ($this->show_error) {
$this->show_error("数据库不可用:", $this->db_database);
}
}
mysql_query("SET NAMES $this->coding");
}
/*数据库执行语句,可执行查询添加修改删除等任何sql语句*/
public function query($sql) {
if ($sql == "") {
$this->show_error("SQL语句错误:", "SQL查询语句为空");
}
$this->sql = $sql;
$result = mysql_query($this->sql, $this->conn);
if (!$result) {
//调试中使用,sql语句出错时会自动打印出来
if ($this->show_error) {
$this->show_error("错误SQL语句:", $this->sql);
}
} else {
$this->result = $result;
}
return $this->result;
}
/*创建添加新的数据库*/
public function create_database($database_name) {
$database = $database_name;
$sqlDatabase = 'create database ' . $database;
$this->query($sqlDatabase);
}
/*查询服务器所有数据库*/
//将系统数据库与用户数据库分开,更直观的显示?
public function show_databases() {
$this->query("show databases");
echo "现有数据库:" . $amount = $this->db_num_rows($rs);
echo "<br />";
$i = 1;
while ($row = $this->fetch_array($rs)) {
echo "$i $row[Database]";
echo "<br />";
$i  ;
}
}
//以数组形式返回主机中所有数据库名
public function databases() {
$rsPtr = mysql_list_dbs($this->conn);
$i = 0;
$cnt = mysql_num_rows($rsPtr);
while ($i < $cnt) {
$rs[] = mysql_db_name($rsPtr, $i);
$i  ;
}
return $rs;
}
/*查询数据库下所有的表*/
public function show_tables($database_name) {
$this->query("show tables");
echo "现有数据库:" . $amount = $this->db_num_rows($rs);
echo "<br />";
$i = 1;
while ($row = $this->fetch_array($rs)) {
$columnName = "Tables_in_" . $database_name;
echo "$i $row[$columnName]";
echo "<br />";
$i  ;
}
}
/*
mysql_fetch_row() array $row[0],$row[1],$row[2]
mysql_fetch_array() array $row[0] 或 $row[id]
mysql_fetch_assoc() array 用$row->content 字段大小写敏感
mysql_fetch_object() object 用$row[id],$row[content] 字段大小写敏感
*/
/*取得结果数据*/
public function mysql_result_li() {
return mysql_result($str);
}
/*取得记录集,获取数组-索引和关联,使用$row['content'] */
public function fetch_array($resultt="") {
if($resultt<>""){
return mysql_fetch_array($resultt);
}else{
return mysql_fetch_array($this->result);
}
}
//获取关联数组,使用$row['字段名']
public function fetch_assoc() {
return mysql_fetch_assoc($this->result);
}
//获取数字索引数组,使用$row[0],$row[1],$row[2]
public function fetch_row() {
return mysql_fetch_row($this->result);
}
//获取对象数组,使用$row->content
public function fetch_Object() {
return mysql_fetch_object($this->result);
}
//简化查询select
public function findall($table) {
$this->query("SELECT * FROM $table");
}
//简化查询select
public function select($table, $columnName = "*", $condition = '', $debug = '') {
$condition = $condition ? ' Where ' . $condition : NULL;
if ($debug) {
echo "SELECT $columnName FROM $table $condition";
} else {
$this->query("SELECT $columnName FROM $table $condition");
}
}
//简化删除del
public function delete($table, $condition, $url = '') {
if ($this->query("DELETE FROM $table WHERE $condition")) {
if (!empty ($url))
$this->Get_admin_msg($url, '删除成功!');
}
}
//简化插入insert
public function insert($table, $columnName, $value, $url = '') {
if ($this->query("INSERT INTO $table ($columnName) VALUES ($value)")) {
if (!empty ($url))
$this->Get_admin_msg($url, '添加成功!');
}
}
//简化修改update
public function update($table, $mod_content, $condition, $url = '') {
//echo "UPDATE $table SET $mod_content WHERE $condition"; exit();
if ($this->query("UPDATE $table SET $mod_content WHERE $condition")) {
if (!empty ($url))
$this->Get_admin_msg($url);
}
}
/*取得上一步 INSERT 操作产生的 ID*/
public function insert_id() {
return mysql_insert_id();
}
//指向确定的一条数据记录
public function db_data_seek($id) {
if ($id > 0) {
$id = $id -1;
}
if (!@ mysql_data_seek($this->result, $id)) {
$this->show_error("SQL语句有误:", "指定的数据为空");
}
return $this->result;
}
// 根据select查询结果计算结果集条数
public function db_num_rows() {
if ($this->result == null) {
if ($this->show_error) {
$this->show_error("SQL语句错误", "暂时为空,没有任何内容!");
}
} else {
return mysql_num_rows($this->result);
}
}
// 根据insert,update,delete执行结果取得影响行数
public function db_affected_rows() {
return mysql_affected_rows();
}
//输出显示sql语句
public function show_error($message = "", $sql = "") {
if (!$sql) {
echo "<font color='red'>" . $message . "</font>";
echo "<br />";
} else {
echo "<fieldset>";
echo "<legend>错误信息提示:</legend><br />";
echo "<div style='font-size:14px; clear:both; font-family:Verdana, Arial, Helvetica, sans-serif;'>";
echo "<div style='height:20px; background:#000000; border:1px #000000 solid'>";
echo "<font color='white'>错误号:12142</font>";
echo "</div><br />";
echo "错误原因:" . mysql_error() . "<br /><br />";
echo "<div style='height:20px; background:#FF0000; border:1px #FF0000 solid'>";
echo "<font color='white'>" . $message . "</font>";
echo "</div>";
echo "<font color='red'><pre>" . $sql . "</pre></font>";
$ip = $this->getip();
if ($this->bulletin) {
$time = date("Y-m-d H:i:s");
$message = $message . "rn$this->sql" . "rn客户IP:$ip" . "rn时间 :$time" . "rnrn";
$server_date = date("Y-m-d");
$filename = $server_date . ".txt";
$file_path = "error/" . $filename;
$error_content = $message;
//$error_content="错误的数据库,不可以链接";
$file = "error"; //设置文件保存目录
//建立文件夹
if (!file_exists($file)) {
if (!mkdir($file, 0777)) {
//默认的 mode 是 0777,意味着最大可能的访问权
die("upload files directory does not exist and creation failed");
}
}
//建立txt日期文件
if (!file_exists($file_path)) {
//echo "建立日期文件";
fopen($file_path, "w ");
//首先要确定文件存在并且可写
if (is_writable($file_path)) {
//使用添加模式打开$filename,文件指针将会在文件的开头
if (!$handle = fopen($file_path, 'a')) {
echo "不能打开文件 $filename";
exit;
}
//将$somecontent写入到我们打开的文件中。
if (!fwrite($handle, $error_content)) {
echo "不能写入到文件 $filename";
exit;
}
//echo "文件 $filename 写入成功";
echo "——错误记录被保存!";
//关闭文件
fclose($handle);
} else {
echo "文件 $filename 不可写";
}
} else {
//首先要确定文件存在并且可写
if (is_writable($file_path)) {
//使用添加模式打开$filename,文件指针将会在文件的开头
if (!$handle = fopen($file_path, 'a')) {
echo "不能打开文件 $filename";
exit;
}
//将$somecontent写入到我们打开的文件中。
if (!fwrite($handle, $error_content)) {
echo "不能写入到文件 $filename";
exit;
}
//echo "文件 $filename 写入成功";
echo "——错误记录被保存!";
//关闭文件
fclose($handle);
} else {
echo "文件 $filename 不可写";
}
}
}
echo "<br />";
if ($this->is_error) {
exit;
}
}
echo "</div>";
echo "</fieldset>";
echo "<br />";
}
//释放结果集
public function free() {
@ mysql_free_result($this->result);
}
//数据库选择
public function select_db($db_database) {
return mysql_select_db($db_database);
}
//查询字段数量
public function num_fields($table_name) {
//return mysql_num_fields($this->result);
$this->query("select * from $table_name");
echo "<br />";
echo "字段数:" . $total = mysql_num_fields($this->result);
echo "<pre>";
for ($i = 0; $i < $total; $i  ) {
print_r(mysql_fetch_field($this->result, $i));
}
echo "</pre>";
echo "<br />";
}
//取得 MySQL 服务器信息
public function mysql_server($num = '') {
switch ($num) {
case 1 :
return mysql_get_server_info(); //MySQL 服务器信息
break;
case 2 :
return mysql_get_host_info(); //取得 MySQL 主机信息
break;
case 3 :
return mysql_get_client_info(); //取得 MySQL 客户端信息
break;
case 4 :
return mysql_get_proto_info(); //取得 MySQL 协议信息
break;
default :
return mysql_get_client_info(); //默认取得mysql版本信息
}
}
//析构函数,自动关闭数据库,垃圾回收机制
public function __destruct() {
if (!empty ($this->result)) {
$this->free();
}
mysql_close($this->conn);
} //function __destruct();
/*获得客户端真实的IP地址*/
function getip() {
if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown")) {
$ip = getenv("HTTP_CLIENT_IP");
} else
if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown")) {
$ip = getenv("HTTP_X_FORWARDED_FOR");
} else
if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown")) {
$ip = getenv("REMOTE_ADDR");
} else
if (isset ($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], "unknown")) {
$ip = $_SERVER['REMOTE_ADDR'];
} else {
$ip = "unknown";
}
return ($ip);
}
function inject_check($sql_str) { //防止注入
$check = eregi('select|insert|update|delete|'|/*|*|../|./|union|into|load_file|outfile', $sql_str);
if ($check) {
echo "输入非法注入内容!";
exit ();
} else {
return $sql_str;
}
}
function checkurl() { //检查来路
if (preg_replace("/https?://([^:/] ).*/i", "\1", $_SERVER['HTTP_REFERER']) !== preg_replace("/([^:] ).*/", "\1", $_SERVER['HTTP_HOST'])) {
header("Location: http://www.dareng.com");
exit();
}
}
}
?>

上边说下调用

<?php
class SafeSessionHandler implements SessionHandlerInterface {
  public $save_path;
  public $session_name;
  public $table;
  public function __construct() {
    $this->table = new Table("safe_session");
  }
  private function session_id_parse($session_id) {
    $time = hexdec(substr($session_id, 0, 8));
    $skey = substr($session_id, 8);
    return array($time, $skey);
  }
  public function close() {
    loginfo("close: ");
    return true;
  }
  public function create_sid() {
    loginfo("create_sid: ");
    $time = time();
    $skey = "";
    $char = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
    for ($i=0; $i<52; $i  ) {
      $skey .= $char{mt_rand(0, 61)};
    }
    $session = array(
      "time" => $time,
      "skey" => $skey,
      "sval" => "",
    );
    $this->table->insert($session);
    return dechex($time) . $skey;
  }
  public function destroy($session_id) {
    loginfo("destroy: %s", $session_id);
    list($time, $skey) = $this->session_id_parse($session_id);
    $this->table->where("time = ?", $time)->where("skey = ?", $skey)->delete();
    return true;
  }
  public function gc($maxlifetime) {
    loginfo("gc: %s", $maxlifetime);
    $this->table->where("time < ?", time() - 86400 * 30)->delete();
    return true;
  }
  public function open($save_path, $session_name) {
    loginfo("open: %s, %s", $save_path, $session_name);
    $this->save_path = $save_path;
    $this->session_name = $session_name;
    return true;
  }
  public function read($session_id) {
    loginfo("read: %s", $session_id);
    list($time, $skey) = $this->session_id_parse($session_id);
    $row = $this->table->where("time = ?", $time)->where("skey = ?", $skey)->select()->fetch();
    if (empty($row)) {
      return "";
    }
    return $row["sval"];
  }
  public function write($session_id, $session_data) {
    loginfo("write: %s, %s", $session_id, $session_data);
    $session = array("sval" => $session_data,);
    list($time, $skey) = $this->session_id_parse($session_id);
    $this->table->where("time = ?", $time)->where("skey = ?", $skey)->update($session);
    return true;
  }
}

以上所述是作者给我们介绍的php mysql 封装类实例代码,希望对我们具有帮助,假使我们有其它疑窦迎接给本身留言,笔者会及时过来我们的,在此也特别谢谢我们对剧本之家网址的协助!

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