实例
<?php /医院 *1创建数据库 * 2准备SQL语句 * 3创建出预处理对象STMT * 4检测STMT,预处理的SQL语句对象 * 5执行SQL语句 */ require 'mysqli_connect.php'; $sql = "update ignore staff set salary=? where staff_id=?;"; $stmt = $mysqli->stmt_init(); if($stmt->prepare($sql)){ $stmt->bind_param('si',$name,$salary); $salary=8800; $staff_id=17; $stmt->execute(); if($stmt->affected_rows>0){ echo '<br>插入成功'.$stmt->affected_rows.'条记录,id:'.$stmt->insert_id; }else{ echo '<br>没有新增记录'; } }else{ exit($stmt->errno.":".$stmt->error); }
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