Question

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我一直在调查PDO，但它让我困惑，我只有14而且我不是关于php中的mysql的知识我所知道的是使用PDO和数据库的某些部分，我想知道我将如何插入一个可更改的值，例如余额，这是我想要作为行插入到表中的信息

$conn->prepare("INSERT INTO users (64ID, BALANCE, AMOUNTBET)          VALUES (?, ?, ?)");
$stmt->bind_param("sss", $64id, $balance, $amountbet );

// set parameters and execute
$_64id = "$steamprofile['steamid']";
$balance = "";
$amountbet = "";

$stmt->execute();

我已经连接到我的mysql所以这一切都已完成，我真正需要知道的是如何插入行？我知道有关于它的文档，但那里的主题与我想要做的不同？

Answer 1

从PHP文档http://php.net/manual/en/pdostatement.bindparam.php

获取

<?php
/* Execute a prepared statement by binding PHP variables */
$calories = 150;
$colour = 'red';
$sth = $dbh->prepare('SELECT name, colour, calories
    FROM fruit
    WHERE calories < :calories AND colour = :colour');
$sth->bindParam(':calories', $calories, PDO::PARAM_INT);
$sth->bindParam(':colour', $colour, PDO::PARAM_STR, 12);
$sth->execute();
?>

所以你的代码将是：

$stmt = $conn->prepare("INSERT INTO users (64ID, BALANCE, AMOUNTBET) VALUES (:_64id, :balance, :amountbet)");

$_64id = $steamprofile['steamid'];
$balance = "";
$amountbet = "";

$stmt->bind_param(:_64id, $_64id);
$stmt->bind_param(:balance, $balance);
$stmt->bind_param(:amountbet, $amountbet);
$stmt->execute();

Php PDO，插入一个可变的变量

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