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操作Oracle的php類別_PHP教程

Jul 21, 2016 pm 04:06 PM
oracle php 修改 操作 類別 警告


//【警告】:未經(jīng)許可請勿隨便修改
//--------------------------- -------------------------------------------------- -------------
//-------------------------------- -------------------------------------------------- --------
//???
// 【檔案名稱】:????????????????c_ora_db.inc // 【作??者】:天灰
//??
// 【最後修改日期】:???????2001/05/11[cxx]??????
// 【定義規(guī)則]????? Sharp ,'N_'=數(shù)字型,'L_'=布林型,'A_'=陣列型
//------------------------ -------------------------------------------------- ----------------
//----------------------------- -------------------------------------------------- -----------
//????※db_logon()????????????????????開啟數(shù)據(jù)庫連接?????
//????※db_query()????????????????????通用select?????????????
//????※db_change()????????????????????數(shù)據(jù)庫改變的通用函數(shù)(insert ,delete,update)
//????※db_insert()?????????????????????????????????delete,直接呼叫db_change()
//????※db_update()?????db_change()?????????????????
//????※db_commit()??????※db_rollback()?????????????????????????開資料庫連線
//------ -------------------------------------------------- ----------------------------------


Class c_ora_db
{

?????
//---------------------------------------- --------------------------------------------------
//????????變數(shù)定義
//-------------------------------------- -------------------------------------------------- --
????var $C_user??????????= "";???????????????????????//資料庫口令
????var $C_db??????????????var $ I_linkID????????= 0;???????????????????????????????????????????????????//使用「句柄
??????????????//全域色彩
//------------------------------------------------ ------------------------------------------



//-------------------------------------------- ----------------------------------------------
/ /????????函數(shù)名稱:db_logon()
//????????作??使用:開啟資料庫連線
//???柄(整數(shù))
//????????備??附註:無
//-------------------------------------------- ----------------------------------------------
????function db_logon()????
????{????
????????$this->I_linkID =??.??if ($this->I_linkID == 0){AlertExit('資料庫連結(jié)失敗,請聯(lián)絡(luò)DBA!');}
????????return??$this->I_linkID;?????}
???????
//----------- -------------------------------------------------- -----------------------------
//????????函數(shù)名稱:db_query($C_sql,$A_define="",$I_start =-1,$I_end=-1)
//????????作??使用: lect???>//??????????
//????????????????$A_define???????????????陣列型?????????
//????????????????$I_start??????????????????$I_end????????????????????備??註:透過數(shù)字0,1,2....可存取對應(yīng)欄位的值; 或透過查詢欄位名稱也可存取對應(yīng)欄位的值
//????????????????如透過$A_rs[0][0]或$ A_rs[0]['NAME']或$A_rs[0]['name']都可存取首筆記錄NAME欄位
//????????????????$I_start,$I_end是配合分頁所使用的參數(shù)。
//--------------------------------------------- ----------------------------------------------
????function??db_query ($C_sql,$A_define="",$I_start=-1,$I_end=-1)
????{????
???????if (!$C_){AlertExitsql("/全!

???????//連接偵測
???????if ($this->I_linkID == 0){AlertExit('資料庫連結(jié)失敗,請與DBA聯(lián)絡(luò)!');偵測
???????$this -> I_stmtID = OCIParse($this -> I_linkID,$C_sql);?????
????請聯(lián)絡(luò)程式設(shè)計師');}

???????//如果沒有指定綁定的字段,則從SQL語句中去取
???????>????????????$A_Cur = explode("select",$C_sql);
????????????????$A_define = explode(",",$A_Cur[0] );
???????}

???????????//綁定資料庫表欄位
?????//查詢列是陣列
????????{
????????????for( $i=0;$i????????????{
?????????????//大寫並去除空格
????????????}
????????????for($i=0;$i I_stmtID,"$A_define_up[$i]", &$$A_define[$i]);????//綁定
????????????}
?????????????????????//查詢列只有一個
????????{
$A_define_up = trim(strtoupper($A_define));
????????????OCIDefineByName($this -> I_stmtID,》 ??>????????//執(zhí)行綁定良好的SQL語句
????????if(!OCIExecute($this -> I_stmtID))
????????{ $C_sql
";
????????????return false;
???????

????????$lower = 0;???????????????????????????????????地??>????????while (OCIFetchInto($this -> I_stmtID,&$cur,OCI_ASSOC))
???????????????????if ($I_start == -1)
????????????{
????????????????if (gettype($A_define) == "array")?????????>????????????????????for ($i=0;$i????????????????????{
?????????????i])
????????????????????????{為
?????ine[$i] = $cur[$A_define_up[$i ];?????
????????????????????????) ?????????????????????//用大寫存取
}?????????
????????????????}
????????????????elseif (trim($A_define) "")????????????//查詢列只有一個
????????????????{

????????????????????if ($cur[$A_define_up] $$A_define)
????????????????????{
??????????????
????????????????????}
????????????????????$A_rs[$lower][0] = $$A_define?????????????????????$A_rs[$lower][$A_define] = $$A_define;????????$A_rs [$lower][$A_define_up] = $$A_define;????//使用大量存取
?????????????????????????//下標(biāo)加一
????????????}

??????}

????(配合分頁使用)
????????????if ($I_start -1)
???????????$I_start)
????????????????{
????????????????????if ($I_end - $I_start 0)
????????????????????{
??????????????????????????????????if (gettype($A_define) ==array???????{
???????????????????????????i????????????????????????????????????????????????if ($cur[$A_define_up[$i]] $$??????????????????{
??????????????????[$i] = $cur[$A_define_up[$i]];?????
???????????????????
????????????????????????????????????????????//使用數(shù)位存取
?????????????????????= $$A_define[$ i];????????//使用重點使用
??????????????????????i]] = $$A_define[$i];????//使用大寫存取
????????????????????????????????????????}elseif( trim($A_define) "")
???????????????????????????????????????if ($cur[$A_define_up] $$A_define)
?????????????????????????????????????????????????>??????????????????????????????????????????$A_rs[$lower][0] = $$A_define;??????????????????????????????????$A_rs[$lower][$A_define] = $$A_define;????????//使用重點使用
???????????????????????????????????????????????
???????????????????????????????$lower ;
????????????????????
????????????????????????break;????????///「若$ I_end-$I_start=0??表示有記錄並跳出while循環(huán)
???????????????????else
????????????????{
?????????????
????????????????}??????????????????????}?????//while的結(jié)束

????????//釋放句柄並回傳查詢資料(一個二維數(shù)組)
????????OCIFreestatement($this -> I_stmtID);
?????????>//-- -------------------------------------------------- --------------------------------------


//- -------------------------------------------------- ---------------------------------------
//????????函數(shù)名稱:db_change($ C_sql,$A_bind)
//????????作??使用:db change
//????????????sql語句
//????????????????$A_bind???????????數(shù)組型?????????
//????????返回值:布林值
//????????-------------------------------------------------- ---------------------
????function db_change($C_sql,$A_bind="")
????{
????????if (!$C_sql){ AlertExit("參數(shù)不全!");}//檢查參數(shù)

????????//連線偵測
????????稍後再連接!???????if (!$this -> I_stmtID){AlertExit(' sql格式出錯!請聯(lián)絡(luò)程式設(shè)計師');}

????????//綁定
????????if(gettype($A_bind???????for($i=0;$ i????????????{
???????????????????$$A_bind[$i] = StripSlashes($$A_bind[$i]);????????????/ /去掉反斜線字元
????????????????$$A_bind[$i] = str_replace("","????????????for($i=0;$i????????$$A_bind[$i ], -1);??//綁定
????????????}
????????} ?????A_bind;
????????????$$A_bind = StripSlashes($$A_bind);
???????????????????//濾除PHP標(biāo)示
????????????OCIBindByName ($this -> I_stmtID, ":$arrBind", &$$A_bind, -1);?????????????????
??????????
?????>????????if(!OCIExecute($this - > I_stmtID,OCI_DEFAULT))
????????{
????????????echo "執(zhí)行出錯
";
????????????return false;
????????}
????????$I_changenum = OCINumrows($this - > I_stmtID);*/

????????//釋放句柄,傳回值
????????OCIFreement($this -> I_stc>??}
//--------------------------------------------- ---------------------------------------------


//-------------------------------------------- ----------------------------------------------
/ /????????函數(shù)名稱:db_delete($C_sql)
//????????作??使用:delete //????????所傳值:布林值
//????????備為了使用直覺,本質(zhì)呼叫db_change()
//------------------------------------ -------------------------------------------------- ----
????function db_delete($C_sql)
????{
????????return $this -> db_change($C_--);; -------------------------------------------------- ------------------------------


//--------- -------------------------------------------------- -------------------------------
//????????函式名稱:db_insert($C_sql,A_bind)
/ /????????作??用:insert
//????????參??數(shù):C_sql????????????????????sql語句
//????????????????A_bind????????????????????綁定
//????????返回值:布爾值
//????????備??注:該函數(shù)只是為了使用直觀,本質(zhì)呼叫db_change()
//----------------------------------------- -------------------------------------------------
????function db_insert($C_sql,$A_bind="")
????{
????????return $ -------------------------------------------------- ----------------------------------


//----- -------------------------------------------------- -----------------------------------
//????????函數(shù)名稱:db_update($C_sql,A_bind)
//????????作??使用:以上圖
//?????????????????????????A_bind????????????????????備??註:此函數(shù)只是為了使用直覺,本質(zhì)呼叫db_change()
//------------------------------------- -------------------------------------------------- ---
????function db_update($C_sql,$A_bind="")
????{
????????return $this -> db_change($C_sql,$A_bind);
????}
//-- -------------------------------------------------- --------------------------------------



//------------------------------------------------ ------------------------------------------
//????????函數(shù)名稱: db_commit()
//??????????用:事務(wù)提交
//????????參????備??註:無
//---- -------------------------------------------------- --------------------------------------?????
????function db_commit()
????{
return????(OCICommit($this->I_linkID));
????}
//--------------------------------------------- ---------------------------------------------


//-------------------------------------------- ----------------------------------------------
/ /????????函數(shù)名稱:db_rollback()
//????????作??使用:事務(wù)回退
//???值
//????????備??附註:無
/ /------------------------------------------------- ------------------------------------------?????
????function db_rollback()
????{
????????return??(OCIRollback($this->I_linkID));
????}????
????}???-------------------------------------------------- ----------------

?????
//----------------------- -------------------------------------------------- -----------------
//????????術(shù)語名稱:db_logoff()
//??????????使用:斷開資料庫連線??>//????????返回值:布林值
//????????備??注:無
//--------------------------- -------------------------------------------------- -------------?????
????function db_logoff()
????{
???????-------------------------------------------------- --------------------------------------

?????
//- -------------------------------------------------- ---------------------------------------
}
?>?



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