Phpmysqlpdo operations-PHP source code

Phpmysqlpdo operation class provides mysql addition, deletion, modification, query, and other operations

[Code] [PHP] code

Class pdomysql {public static $ dbtype = 'mysql'; public static $ dbhost = ''; public static $ dbport =''; public static $ dbname = ''; public static $ dbuser = ''; public static $ dbpass =''; public static $ charset = ''; public static $ stmt = null; public static $ DB = null; public static $ connect = true; // whether the connection is persistent public static $ debug = false; private static $ parms = array ();/*** constructor */public funct Ion _ construct () {self: $ dbtype = 'mysql'; self: $ dbhost = HOST; self: $ dbport = '000000'; self :: $ dbname = 'exception'; self: $ dbuser = 'manager'; self: $ dbpass = '000000'; self: $ connect = true; self :: $ charset = 'utf8'; self: connect (); self ::$ DB-> setAttribute (PDO: MYSQL_ATTR_USE_BUFFERED_QUERY, true); self :: $ DB-> setAttribute (PDO: ATTR_EMULATE_PREPARES, true); self: execute ('set names '. self :: $ Charset);}/*** destructor */public function _ destruct () {self: close ();} ************** * ****** // *** function: connected database */public function connect () {try {self: $ DB = new PDO (self: $ dbtype. ': host = '. self: $ dbhost. '; port = '. self: $ dbport. '; dbname = '. self: $ dbname, self: $ dbuser, self: $ dbpass, array (PDO: ATTR_PERSISTENT => self: $ connect);} catch (PDOE Xception $ e) {die ("Connect Error Infomation :". $ e-> getMessage () ;}/ *** close data connection */public function close () {self ::$ DB = null ;} /*** define strings */public function quote ($ str) {return self: $ DB-> quote ($ str );} /*** function: Get the struct bit in the data table * return: table field structure * type: Array */public function getFields ($ table) {self ::$ stmt = self:: $ DB-> query ("DESCRIBE $ table"); $ result = self ::$ stmt-> fetchAll (PDO: FETCH_AS SOC); self ::$ stmt = null; return $ result;}/*** function: obtain the primary region ID of the last INSERT * and return: last INSERT primary ID * type: number */public function getLastId () {return self: $ DB-> lastInsertId () ;}/ *** function: INSERT \ UPDATE \ DELETE * return: number of rows affected by the execution of statement * type: number */public function execute ($ SQL) {self: getPDOError ($ SQL ); return self: $ DB-> exec ($ SQL);}/*** get the data to be operated * return: SQL statement after merging * type: string */private function getCode ($ table, $ args) {$ Code = ''; if (is_array ($ args) {foreach ($ args as $ k => $ v) {if ($ v = '') {continue;} $ code. = "'$ k' =' $ V'," ;}}$ code = substr ($ code, 0,-1); return $ code ;} public function optimizeTable ($ table) {$ SQL = "optimize table $ table"; self: execute ($ SQL);}/*** execute a specific SQL operation * return: result * type: array */private function _ fetch ($ SQL, $ type) {$ result = array (); self ::$ stmt = self :: $ DB-> quer Y ($ SQL); self: getPDOError ($ SQL); self: $ stmt-> setFetchMode (PDO: FETCH_ASSOC); switch ($ type) {case '0': $ result = self ::$ stmt-> fetch (); break; case '1': $ result = self :: $ stmt-> fetchAll (); break; case '2': $ result = self: $ stmt-> rowCount (); break;} self: $ stmt = null; return $ result ;} /********************* end of the basic method ************* ******** // **************************** start the SQL operation method **** *** * ************ // **** Function: insert data * return: table inrecord * type: Array * records: $ db-> insert ('$ table', array ('title' => 'zxsv') */public function add ($ table, $ args) {$ SQL = "insert into '$ table 'set"; $ code = self: getCode ($ table, $ args); $ SQL. = $ code; return self: execute ($ SQL);}/*** modify data * return: number of records * type: number * records: $ db-> update ($ table, array ('title' => 'zxsv'), array ('id' => '1 '), $ where * = 'Id = 3'); */public function update ($ Table, $ args, $ where) {$ code = self: getCode ($ table, $ args); $ SQL = "updat' $ table 'set "; $ SQL. = $ code; $ SQL. = "Where $ where"; return self: execute ($ SQL);}/*** function: division of data * return: table recording * type: array * Records: $ db-> delete ($ table, $ condition = null, $ where = 'Id = 3') */public function delete ($ table, $ where) {$ SQL = "delete from '$ table' Where $ where"; return self: execute ($ SQL);}/*** function: get single row data * Return: The first record in the table * type: Array * Records: $ db-> fetOne ($ table, $ condition = null, $ field = '*', $ where = '') */public function fetOne ($ table, $ field = '*', $ where = false) {$ SQL = "SELECT {$ field} FROM '{$ table}"'; $ SQL. = ($ where )? "WHERE $ where": ''; return self: _ fetch ($ SQL, $ type = '0');}/*** function: Get all data * return: table recording * Type: Two-digit array * records: $ db-> fetAll ('$ table', $ condition = '', $ field = '*', $ orderby = '', $ limit * ='', $ where = '') */public function fetAll ($ table, $ field = '*', $ orderby = false, $ where = false) {$ SQL = "SELECT {$ field} FROM '{$ table}"'; $ SQL. = ($ where )? "WHERE $ where": ''; $ SQL. = ($ orderby )? "Order by $ orderby": ''; return self: _ fetch ($ SQL, $ type = '1') ;}/ *** function: get data in a single row * Return: The first record in the table * type: Array * Records number: select * from table where id = '1' */public function getOne ($ SQL) {return self: _ fetch ($ SQL, $ type = '0');}/*** function: Get all data * return: table inrecord * type: two distinct array * distinct number: select * from table */public function getAll ($ SQL) {return self: _ fetch ($ SQL, $ type = '1 ');} /*** function: get the first column of data in the first line * return: the first column of the first line of the second value * class Type: value * Records: select 'A' from table where id = '1' */public function scalar ($ SQL, $ fieldname) {$ row = self :: _ fetch ($ SQL, $ type = '0'); return $ row [$ fieldname];}/*** retrieve the total number of records * return: number of records * type: number * partitions: $ db-> fetRow ('$ table', $ condition = '', $ where =''); */public function fetRowCount ($ table, $ field = '*', $ where = false) {$ SQL = "select count ({$ field}) AS num FROM $ table"; $ SQL. = ($ where )? "WHERE $ where": ''; return self: _ fetch ($ SQL, $ type = '0');}/*** get the total number of records * return: number of records * type: number * Records: select count (*) from table */public function getRowCount ($ SQL) {return self: _ fetch ($ SQL, $ type = '2 ');} /********************** end of the SQL operation method ************ ********* // **************************** error handling start **** * **************** // Set whether to set the debugging mode */public function setDebugMode ($ mode = true) {return ($ m Ode = true )? Self: $ debug = true: self: $ debug = false;}/*** capture PDO error information * return: Error message * type: string */private function getPDOError ($ SQL) {self: $ debug? Self: errorfile ($ SQL): ''; if (self: $ DB-> errorCode ()! = '20140901') {$ info = (self: $ stmt )? Self: $ stmt-> errorInfo (): self: $ DB-> errorInfo (); echo (self: sqlError ('MySQL Query error ', $ info [2], $ SQL); exit () ;}} private function getshortterror ($ SQL) {self ::$ debug? Self: errorfile ($ SQL): ''; if (self: $ stmt-> errorCode ()! = '20140901') {$ info = (self: $ stmt )? Self: $ stmt-> errorInfo (): self: $ DB-> errorInfo (); echo (self: sqlError ('MySQL Query error ', $ info [2], $ SQL); exit () ;}/ *** collect error logs */private function errorfile ($ SQL) {echo $ SQL.'
'; $ Errorfile = _ ROOT. '. /dberrorlog. php '; $ SQL = str_replace (array ("\ n", "\ r", "\ t", ""), array ("", "", ""), $ SQL); if (! File_exists ($ errorfile) {$ fp = file_put_contents ($ errorfile ,"
 \ N ". $ SQL);} else {$ fp = file_put_contents ($ errorfile, "\ n ". $ SQL, FILE_APPEND) ;}}/*** function: run error message * return: run error message and SQL statement * type: character */private function sqlError ($ message = '', $ info ='', $ SQL = '') {$ html =''; if ($ message) {$ html. = $ message;} if ($ info) {$ html. = 'sqlid :'. $ info;} if ($ SQL) {$ html. = 'errorsql :'. $ SQL;} throw new Exception ($ html );} /********************** end of error handling ************* ********/}