//鏈接數據庫 $mysqli = new mysqli("localhost", "root", "root", "mobilemoms"); !$mysqli->connect_error or die("CONNECT SQL ERROR".$mysqli->connect_error); $mysqli->query("set names utf8"); //sql預編譯 $sql = "select tally_name,machine_no from device_member where mobile_no=? and mobile_pwd=? limit 1"; $mysqli_stmt = $mysqli->prepare($sql); //綁定參數 $mysqli_stmt->bind_param("ss",$mobileno,$pwd);//綁定查詢參數 $mysqli_stmt->bind_result($tally_name,$machine_no);//綁定結果參數 也就是將查詢結果直接給某參數 //處理查詢結果 $mysqli_stmt->execute(); if(!$mysqli_stmt->fetch()){ //沒有內容 wrong("No User"); }else{//有內容 echo "success"; }