PHP mysqli_stmt_init () function
Mendeklarasikan dan menginisialisasi pulang mysqli_stmt_prepare () objek yang digunakan:
<?php // 假定数据库用户名:root,密码:123456,数据库:w3big $con=mysqli_connect("localhost","root","123456","w3big"); if (mysqli_connect_errno($con)) { echo "连接 MySQL 失败: " . mysqli_connect_error(); } // 修改数据库连接字符集为 utf8 mysqli_set_charset($con,"utf8"); $country="CN"; // 创建预处理语句 $stmt=mysqli_stmt_init($con); if (mysqli_stmt_prepare($stmt,"SELECT name FROM websites WHERE country=?")) { // 绑定参数 mysqli_stmt_bind_param($stmt,"s",$country); // 执行查询 mysqli_stmt_execute($stmt); // 绑定结果变量 mysqli_stmt_bind_result($stmt,$name); // 获取值 mysqli_stmt_fetch($stmt); printf("%s 国家的网站为:%s",$country,$name); // 关闭预处理语句 mysqli_stmt_close($stmt); } mysqli_close($con); ?>
Definisi dan Penggunaan
mysqli_stmt_init () fungsi menginisialisasi deklarasi dan kembali mysqli_stmt_prepare () objek.
tatabahasa
mysqli_stmt_init( connection ) ;
参数 | 描述 |
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connection | 必需。规定要使用的 MySQL 连接。 |
rincian teknis
Pengembalian: | Mengembalikan sebuah objek. |
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Versi PHP: | 5 + |
Pedoman PHP MySQLi Referensi