Correction status:qualified
Teacher's comments:
<?php /** * Created by PhpStorm. * User: xuan * Date: 2018/6/6 * Time: 11:25 */ header("Content-type:text/html;charset=utf-8"); require('conf.php'); // 写一条预处理模型 $sql = "select * from user where user_id=?; "; $id =3; // 开始预处理 $stmt =mysqli_stmt_init($db); // 判断预处理 模型语句对或者错 if(mysqli_stmt_prepare($stmt,$sql)){ @mysqli_stmt_bind_param($stmt,'i',$id); if(@mysqli_stmt_execute($stmt)){ }else{ echo '没有该记录'; } //获取结果集 mysqli_stmt_store_result($stmt); //绑定结果集 @mysqli_stmt_bind_result($stmt,$name,$id); // 遍历结果集 if(@mysqli_stmt_num_rows($stmt) > 0){ while(mysqli_stmt_fetch($stmt)){ echo "[{$name}] => {$id}]<br>"; } }else{ echo '没有查询到记录'; } }else{ exit('模型语句出错'); }
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