1 <?php  2      3     /** 4     * 函数名称：SqlTool.class.php  5     * 函数功能：php对数据库增删改查操作类 6     * 函数作者：张真贵 7     * 创建时间：2015-01-05 8     * 修改时间： 9     */10     header("Content-Type:text/html;charset=utf-8");11     class SqlTool{12         private $conn;13         private $host = ‘localhost‘;14         private $root = ‘root‘;15         private $password = ‘‘;16         private $dbname = test;17 18         function __construct(){19             # code...20             $this->conn = mysql_connect($this->host,$this->root,$this->password) or die(‘连接数据库失败‘.mysql_error());21             mysql_select_db($this->dbname);22             mysql_set_charset(‘utf8‘);23         }24 25         /***************************dql操作***********************************/26         public function execute_dql($sql){27             $res = mysql_query($sql,$this->conn) or die(mysql_error());28             return $res;29         }30 31         /****************************dml操作***********************************/32         public function execute_dml($sql){33             $res = mysql_query($sql,$this->conn) or die(mysql_error());34             if (!$res) {35                 # code...36                 return 0;37             }elseif (mysql_affected_rows($this->conn) > 0) {38                 # code...39                 return 1;40             }else{41                 # code...42                 return 2;43             }44         }45     }46 47 /*******************48     $sql = "insert into user1(id,name) values(‘7‘,‘陆逊‘)";49     //创建对象50     $sqlTool = new SqlTool;51     $result = $sqlTool-> execute_dml($sql);52     if ($result == 0) {53         # code...54         echo "失败";55     }elseif ($result == 1) {56         # code...57         echo "成功";58     }elseif ($result == 2) {59         # code...60         echo "没有影响行数";61     }62 *******************/    63  ?>