这个PHP实现的mysql的操作类完整版已经使用过了,而这个简化版是经过修改完整版后的简化版,适用在一般的 PHP 应用中,功能上可以实现基本的增删改查的操作,以及打印 MYSQL 错误,自我感觉不错,如果网站应用不是很强大,应用这个 MYSQL 的操作类已经足够了,
自己封装的Mysql简易操作类,已塞在Ben框架中,基于PDO来写的,代码风格上有些无厘头。。。
mysql.class.php
- <?php
- class mysql extends PDO{
- public $server;
- public $database;
- public $user;
- public $password;
- public $sql;
- public function __construct($server,$database,$user,$password,$port=3306){
- $this->server = $server;
- $this->database = $database;
- $this->user = $user;
- $this->password = $password;
- parent::__construct("mysql:host=$server;port=$port;dbname=$database",$user,$password);
- $this->query('SET NAMES utf8');
- }
- public function drop($table){
- $sql = 'DROP TABLE '.$table.';';
- $re = $this->query($sql);
- if($re){
- return true;
- }else{
- return false;
- }
- }
- public function insert($table,$name,$value=null){
- $sql = "INSERT INTO ".$table.'(';
- if($value == null){
- $arrname = array_keys($name);
- $arrvalue = array_values($name);
- }else{
- $arrname = explode('|', $name);
- $arrvalue = explode('|', $value);
- }
- for($i=0;$i<count($arrname);$i++){
- if($i==count($arrname)-1){
- $sql = $sql.$arrname[$i];
- }else{
- $sql = $sql.$arrname[$i].",";
- }
- }
- $sql = $sql.")VALUES(";
- for($i=0;$i<count($arrvalue);$i++){
- if($i==count($arrvalue)-1){
- $sql = $sql."'".$arrvalue[$i]."'";
- }else{
- $sql = $sql."'".$arrvalue[$i]."',";
- }
- }
- $sql .=");";
- $re = $this->query($sql);
- if($re){
- return true;
- }else{
- return false;
- }
- }
- public function delete($table,$Conditionsname,$Conditionsvalue=null){
- if($Conditionsvalue!=null){
- $sql = "DELETE FROM ".$table." WHERE ".$Conditionsname."='".$Conditionsvalue."';";
- }else{
- $sql = "DELETE FROM ".$table." WHERE ";
- $arrname = array_keys($Conditionsname);
- $arrvalue = array_values($Conditionsname);
- for($i=0;$i<count($arrname);$i++){
- if($i==count($arrname)-1){
- $sql.=$arrname[$i].'='."'".$arrvalue[$i]."'";
- }else{
- $sql.=$arrname[$i].'='."'".$arrvalue[$i]."',";
- }
- }
- $sql.=';';
- }
- $re = $this->query($sql);
- if($re){
- return true;
- }else{
- return false;
- }
- }
- public function select($table,$name,$Conditionsname,$Conditionsvalue=null){
- if($Conditionsvalue!=null){
- $sql = "SELECT ".$name." FROM ".$table." WHERE ".$Conditionsname."='".$Conditionsvalue."';";
- }else{
- $sql = "SELECT ".$name." FROM ".$table." WHERE ";
- $arrname = array_keys($Conditionsname);
- $arrvalue = array_values($Conditionsname);
- for($i=0;$i<count($arrname);$i++){
- if($i==count($arrname)-1){
- $sql.=$arrname[$i].'='."'".$arrvalue[$i]."'";
- }else{
- $sql.=$arrname[$i].'='."'".$arrvalue[$i]."' and ";
- }
- }
- $sql.=';';
- }
- $re = $this->query($sql);
- $row = $re->fetch();
- return $row[$name];
- }
- public function update($table,$name,$value,$Conditionsname,$Conditionsvalue=null){
- if($Conditionsvalue!=null){
- $sql = "UPDATE ".$table." SET ".$name."= '".$value."' WHERE ".$Conditionsname."='".$Conditionsvalue."';";
- }else{
- $sql = "UPDATE ".$table." SET ".$name."= '".$value."' WHERE ";
- $arrname = array_keys($Conditionsname);
- $arrvalue = array_values($Conditionsname);
- for($i=0;$i<count($arrname);$i++){
- if($i==count($arrname)-1){
- $sql.=$arrname[$i].'='."'".$arrvalue[$i]."'";
- }else{
- $sql.=$arrname[$i].'='."'".$arrvalue[$i]."' and ";
- }
- }
- $sql.=';';
- }
- $re = $this->query($sql);
- if($re){
- return true;
- }else{
- return false;
- }
- }
- public function group($table,$name){
- $sql = "SELECT ".$name." FROM ".$table.";";
- $return = array();
- $re = $this->query($sql);
- while($row = $re->fetch(PDO::FETCH_ASSOC)){
- array_push($return,$row[$name]);
- }
- return $return;
- }
- public function fetchall($sql){
- $return = array();
- $re = $this->query($sql);
- while($row = $re->fetch(PDO::FETCH_ASSOC)){
- array_push($return,$row);
- }
- return $return;
- }
- }
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