新手学php,书上一直没有好的例子,网上的也有错误,自己照着php手册写了一个完整点的
高手帮我看一下,有没有哪里写错了...谢谢了
//面向对象
$mysqli = new mysqli("localhost", "user", "pass", "database");
if(mysqli_connect_errno())) { //这边判断方式和下面面向过程中的直接判断变量有什么区别?
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
$query = "SELECT `name`, `address`, `phone` FROM Users WHERE gender=? AND age=?";
if($stmt = $mysqli->prepare($query) {
$stmt->bind_param("si", $gender, $age); //这边插入参数是不是写在这里?
$stmt->execute();
$stmt->bind_result($name, $address, $phone);
while($stmt->fetch()) {
printf ("%s (%s,%s)<br />", $name, $address, $phone);
}
$stmt->close();
}
$mysqli->close();/面向过程
$mysqli = mysqli_connecti("localhost", "user", "pass", "database");
if(!$mysqli) {
printf ("Connect failed: %s\n", mysqli_connect_error());
exit();
}
$query = "SELECT `name`, `address`, `phone` FROM Users WHERE gender=? AND age=?";
if ($stmt = mysqli_prepare($query)){
mysqli_stmt_bind_param($stmt, "si", $gender, $age);
mysqli_stmt_execute($stmt);
mysqli_stmt_bind_result($stmt, $name, $address, $phone);
while (mysqli_stmt_fetch($stmt)) {
printf ("%s (%s,%s)<br />", $name, $address, $phone);
}
mysqli_stmt_close($stmt);
}
$mysqli_close();
高手帮我看一下,有没有哪里写错了...谢谢了
//面向对象
$mysqli = new mysqli("localhost", "user", "pass", "database");
if(mysqli_connect_errno())) { //这边判断方式和下面面向过程中的直接判断变量有什么区别?
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
$query = "SELECT `name`, `address`, `phone` FROM Users WHERE gender=? AND age=?";
if($stmt = $mysqli->prepare($query) {
$stmt->bind_param("si", $gender, $age); //这边插入参数是不是写在这里?
$stmt->execute();
$stmt->bind_result($name, $address, $phone);
while($stmt->fetch()) {
printf ("%s (%s,%s)<br />", $name, $address, $phone);
}
$stmt->close();
}
$mysqli->close();/面向过程
$mysqli = mysqli_connecti("localhost", "user", "pass", "database");
if(!$mysqli) {
printf ("Connect failed: %s\n", mysqli_connect_error());
exit();
}
$query = "SELECT `name`, `address`, `phone` FROM Users WHERE gender=? AND age=?";
if ($stmt = mysqli_prepare($query)){
mysqli_stmt_bind_param($stmt, "si", $gender, $age);
mysqli_stmt_execute($stmt);
mysqli_stmt_bind_result($stmt, $name, $address, $phone);
while (mysqli_stmt_fetch($stmt)) {
printf ("%s (%s,%s)<br />", $name, $address, $phone);
}
mysqli_stmt_close($stmt);
}
$mysqli_close();
http://php.net/manual/en/book.mysqli.phphttp://php.net/manual/en/mysqli.construct.php
最好是先确定能连接了,在进行调试后面的代码