PHP 基於pdo的數據庫操做類

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<?phphtml

class Pdodb{mysql

  protected $pdo;sql

  protected $res;數據庫

  protected $config;數組

  /*構造函數*/服務器

  function __construct($config){oracle

    $this->Config = $config;函數

    $this->connect();sqlserver

  }

  /*數據庫鏈接*/

  public function connect(){

    try {

       $this->pdo= new PDO($this->Config['dsn'], $this->Config['username'], $this->Config['password']);//$dbh = new PDO('mysql:host=localhost;dbname=test', $user, $pass);

       $this->pdo->query("set names utf8");

    }catch(Exception $e){

      echo '數據庫鏈接失敗,詳情: ' . $e->getMessage () . ' 請在配置文件中數據庫鏈接信息';

      exit ();

    }

    /*

    if($this->Config['type']=='oracle'){

      $this->pdo->query("set names {$this->Config['charset']};");

    }else{

      $this->pdo->query("set names {$this->Config['charset']};");

    }

    */

    //把結果序列化成stdClass

    //$this->pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_OBJ);

    //本身寫代碼捕獲Exception

    //$this->pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

    $this->pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);//屬性名 屬性值 數組以關聯數組返回

  }

  /*數據庫關閉*/

  public function close(){

    $this->pdo = null;

  }

  //用於有記錄結果返回的操做,特別是SELECT操做

  public function query($sql,$return=false){

    $res = $this->pdo->query($sql);

    if($res){

      $this->res = $res; // 未返回 return $this->res;

    }

    if($return){

      return $res;

    }

  }

  //主要是針對沒有結果集合返回的操做,好比INSERT、UPDATE、DELETE等操做

  public function exec($sql,$return=false){

    $res = $this->pdo->exec($sql);

    if($res){

      $this->res = $res;

    }

    if($return){//返回操做是否成功 成功返回1 失敗0

      return $res;

    }

  }

  //將$this->res以數組返回(所有返回)

  public function fetchAll(){

    return $this->res->fetchAll();

  }

  //將$this->res以數組返回(一條記錄)

  public function fetch(){

    return $this->res->fetch();

  }

  //返回全部字段

  public function fetchColumn(){

    return $this->res->fetchColumn();

  }

  //返回最後插入的id

  public function lastInsertId(){

    return $this->res->lastInsertId();

  }

  //返回最後插入的id

  public function lastInsertId2(){

    return $this->pdo->lastInsertId();

  }

  /**

  * 參數說明

  * string/array $table 數據庫表,兩種傳值模式

  * 普通模式:

  * 'tb_member, tb_money'

  * 數組模式:

  * array('tb_member', 'tb_money')

  * string/array $fields 須要查詢的數據庫字段,容許爲空,默認爲查找所有,兩種傳值模式

  * 普通模式:

  * 'username, password'

  * 數組模式:

  * array('username', 'password')

  * string/array $sqlwhere 查詢條件,容許爲空,兩種傳值模式

  * 普通模式(必須加上and,$sqlwhere爲空 1=1 正常查詢):

  * 'and type = 1 and username like "%os%"'

  * 數組模式:

  * array('type = 1', 'username like "%os%"')

  * string $orderby 排序,默認爲id倒序

  *int $debug 是否開啓調試,開啓則輸出sql語句

  * 0 不開啓

  * 1 開啓

  * 2 開啓並終止程序

  * int $mode 返回類型

  * 0 返回多條記錄

  * 1 返回單條記錄

  * 2 返回行數

  */

  public function select($table, $fields="*", $sqlwhere="", $orderby="", $debug=0, $mode=0){

    //參數處理

    if(is_array($table)){

      $table = implode(', ', $table);

    }

    if(is_array($fields)){

      $fields = implode(',',$fields);

      /*

      if($this->Config['type']=='oracle'){

        //$fields = implode(',',$fields);//CUSTOMER_ID,FIRST_NAME,LAST_NAME,EMAIL

        //$fields = implode(",'UTF8','ZHS16GBK') ,convert(",$fields);

        //$fields="convert(".$fields.",'UTF8','ZHS16GBK')";

      }else{

        $fields = implode(',',$fields);

      }

      */

    }

    if(is_array($sqlwhere)){

      $sqlwhere = ' and '.implode(' and ', $sqlwhere);

    }

    //數據庫操做

    if($debug === 0){

      if($mode === 2){ //統計

        $this->query("select count(*) from $table where 1=1 $sqlwhere");

        $return = $this->fetchColumn();

      }else if($mode === 1){ //返回一條

        $this->query("select $fields from $table where 1=1 $sqlwhere $orderby");

        $return = $this->fetch();

      }else{

        $this->query("select $fields from $table where 1=1 $sqlwhere $orderby");

        $return = $this->fetchAll();//若是 $this->res爲空即sql語句錯誤 會提示Call to a member function fetchAll() on a non-object

      }

      return $return;

    }else{

        if($mode === 2){

          echo "select count(*) from $table where 1=1 $sqlwhere";

        }else if($mode === 1){

          echo "select $fields from $table where 1=1 $sqlwhere $orderby";

        }else{

          echo "select $fields from $table where 1=1 $sqlwhere $orderby";

        }

        if($debug === 2){

          exit;

        }

    }

  }

  /**

  * 參數說明

  * string/array $table 數據庫表,兩種傳值模式

  * 普通模式:

  * 'tb_member, tb_money'

  * 數組模式:

  * array('tb_member', 'tb_money')

  * string/array $set 須要插入的字段及內容,兩種傳值模式

  * 普通模式:

  * 'username = "test", type = 1, dt = now()'

  * 數組模式:

  * array('username = "test"', 'type = 1', 'dt = now()')

  * int $debug 是否開啓調試,開啓則輸出sql語句

  * 0 不開啓

  * 1 開啓

  * 2 開啓並終止程序

  * int $mode 返回類型

  * 0 無返回信息

  * 1 返回執行條目數

  * 2 返回最後一次插入記錄的id

  */

  public function oic_insert($table, $set, $debug=0, $mode=0){

    //參數處理

    if(is_array($table)){

      $table = implode(', ', $table);

    }

    if(is_array($set)){

      $s='';$i=0;

      foreach($set as $k=>$v){

        $i++;

        $s[$i]=$k;//,鏈接

        $val[$i]=$v;

      }

      $sarr=implode(",",$s);//去掉最後一個,

      //array_pop($sarr);

      $set=implode("','",$val);////15221579236','張三','','2001','8','4','女','是

      //$set = implode(', ', $set);

    }

    //數據庫操做

    if($debug === 0){

      if($mode === 2){

        $this->query("insert into $table ($sarr) values('".$set."')");

        //$return = $this->lastInsertId();

      }else if($mode === 1){

        $this->exec("insert into $table ($sarr) values('".$set."')");

        $return = $this->res;

      }else{

        $this->query("insert into $table ($sarr) values('".$set."')");

        $return = NULL;

      }

      return $return;

    }else{

      echo "insert into $table ($sarr) values('".$set."')";

      if($debug === 2){

        exit;

      }

    }

  }

  public function insert($table, $set, $debug=0, $mode=0){

    //參數處理

    if(is_array($table)){

      $table = implode(', ', $table);

    }

    if(is_array($set)){

      $s='';

      foreach($set as $k=>$v){

        $s.=$k."='".$v."',";//,鏈接

      }

      $sarr=explode(',',$s);//去掉最後一個,

      array_pop($sarr);

      $set=implode(',',$sarr);

      //$set = implode(', ', $set);

    }

    //數據庫操做

    if($debug === 0){

      if($mode === 2){

        $this->query("insert into $table set $set");

        $return = $this->pdo->lastInsertId();

      }else if($mode === 1){

        $this->exec("insert into $table set $set");

        $return = $this->res;

      }else{

        $this->query("insert into $table set $set");

        $return = NULL;

      }

      return $return;

    }else{

      echo "insert into $table set $set";

      if($debug === 2){

        exit;

      }

    }

  }

  /**

  * 參數說明

  * string $table 數據庫表,兩種傳值模式

  * 普通模式:

  * 'tb_member, tb_money'

  * 數組模式:

  * array('tb_member', 'tb_money')

  * string/array $set 須要更新的字段及內容,兩種傳值模式

  * 普通模式:

  * 'username = "test", type = 1, dt = now()'

  * 數組模式:

  * array('username = "test"', 'type = 1', 'dt = now()')

  * string/array $sqlwhere 修改條件,容許爲空,兩種傳值模式

  * 普通模式:

  * 'and type = 1 and username like "%os%"'

  * 數組模式:

  * array('type = 1', 'username like "%os%"')

  * int $debug 是否開啓調試,開啓則輸出sql語句

  * 0 不開啓

  * 1 開啓

  * 2 開啓並終止程序

  * int $mode 返回類型

  * 0 無返回信息

  * 1 返回執行條目數

  */

  public function update($table, $set, $sqlwhere="", $debug=0, $mode=0){

    //參數處理

    if(is_array($table)){

      $table = implode(', ', $table);

    }

    if(is_array($set)){

      $s='';

      foreach($set as $k=>$v){

        $s.=$k."='".$v."',";

      }

      $sarr=explode(',',$s);//去掉最後一個,

      array_pop($sarr);

      $set=implode(',',$sarr);

      //$set = implode(', ', $set);

    }

    if(is_array($sqlwhere)){

      $sqlwhere = ' and '.implode(' and ', $sqlwhere);

    }

    //數據庫操做

    if($debug === 0){

      if($mode === 1){

        $this->exec("update $table set $set where 1=1 $sqlwhere");

        $return = $this->res;

      }else{

        $this->query("update $table set $set where 1=1 $sqlwhere");

        $return = true;

      }

      return $return;

    }else{

      echo "update $table set $set where 1=1 $sqlwhere";

      if($debug === 2){

        exit;

      }

    }

  }

  /**

  * 參數說明

  * string $table 數據庫表

  * string/array $sqlwhere 刪除條件,容許爲空,兩種傳值模式

  * 普通模式:

  * 'and type = 1 and username like "%os%"'

  * 數組模式:

  * array('type = 1', 'username like "%os%"')

  * int $debug 是否開啓調試,開啓則輸出sql語句

  * 0 不開啓

  * 1 開啓

  * 2 開啓並終止程序

  * int $mode 返回類型

  * 0 無返回信息

  * 1 返回執行條目數

  */

  public function delete($table, $sqlwhere="", $debug=0, $mode=0){

    //參數處理

    if(is_array($sqlwhere)){

      $sqlwhere = ' and '.implode(' and ', $sqlwhere); //是字符串需本身加上and

    }

    //數據庫操做

    if($debug === 0){

      if($mode === 1){

        $this->exec("delete from $table where 1=1 $sqlwhere");

        $return = $this->res;

      }else{

        $this->query("delete from $table where 1=1 $sqlwhere");

        $return = NULL;

      }

      return $return;

    }else{

      echo "delete from $table where 1=1 $sqlwhere";

      if($debug === 2){

        exit;

      }

    }

  }

}

/*

sqlserver 配置 extension=php_pdo_mssql.dll和extension=php_pdo_sqlsrv.dll 安裝對應的 ntwdblib.dll

http://msdn.microsoft.com/en-us/library/cc296170.aspx 下載php版本對應的sqlsrv擴展

sqlserver 配置 odbc鏈接需開啓extension=php_pdo_odbc.dll

*/

$mssql2008_config=array(

  'dsn'=>'odbc:Driver={SQL Server};Server=192.168.1.60;Database=his',//數據庫服務器地址

  'username'=>'sa',

  'password'=>'xxxxx',

);

$mssql=new Pdodb($mssql2008_config);

$sql="select * from

(

  select row_number()over(order by tempcolumn)temprownumber,*

    from (

      select top 10 tempcolumn=0,a.*

      from DA_GR_HBFS a

      where 1=1

    ) t

) tt

where temprownumber>0";

$mssql->query($sql);

while($res=$mssql->fetch()){

  $data[]=$res;

}

print_r($data);exit;

//mysql 操做

$msyql_config=array(

  'dsn'=>'mysql:host=localhost;dbname=talk',

  'username'=>'root',

  'password'=>'123456'

);

$mysql=new PDO_DB($msyql_config);

$sql = 'SELECT user_id, user_name, nickname FROM et_users ';

$mysql->query($sql);

$data=$mysql->fetchAll();

print_r($data);exit;

//oracle 操做

$oci_config=array(

  'dsn'=>'oci:dbname=orcl',

  'username'=>'BAOCRM',

  'password'=>'BAOCRM'

);

$oracle=new PDO_DB($oci_config);

//print_r($oracle);exit;//PDO_DB Object ( [pdo:protected] => PDO Object ( ) [res:protected] => [config:protected] => [Config] => Array ( [dsn] => oci:dbname=orcl [name] => PWACRM [password] => PWACRM ) )

$sql="select * from CUSTOMER_LEVEL t";

$oracle->query($sql);

$data=$oracle->fetchAll();

print_r($data);exit;

/*

Array

(

  [0] => Array

    (

      [LEVEL_ID] => 1

      [0] => 1

      [LEVEL_NAME] => 普通會員

      [1] => 普通會員

      [LEVEL_DETAIL] => 普通會員

      [2] => 普通會員

      [SORT_NUMBER] => 15

      [3] => 15

      [CREATE_TIME] => 12-7月 -12

      [4] => 12-7月 -12

      [CREATE_BY] => 1

      [5] => 1

      [UPDATE_TIME] => 12-7月 -12

      [6] => 12-7月 -12

      [UPDATE_BY] => 1

      [7] => 1

      [STATE] => 正常

      [8] => 正常

    )

)*/

?>

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