我有两个表，members 和 games。 members中是member_id、first_name、last_name等数据
我想做的是为 games 创建一个表单，用户可以在其中输入参与成员的名字和姓氏(在一个字符串中，而不是单独的)和一些 PHP代码查询此名称，找到相应的 ID 并将其存储起来。当然，member_id在games中是一个外键，但是用户不会知道成员(member)的id，他们只会知道他们的名字。
如果有人能解释我将如何着手这样做，我将不胜感激。
表格:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Form</title>
</head>
<body>
<form action="action.php" method="post">
<p>
<label for="date">Date:</label>
<input type="date" name="date" id="date">
</p>
<p>
<label for="duration">Duration:</label>
<input type="time" name="duration" id="duration">
</p>
<p>
<label for="member_id">Member Name:</label>
<input type="text" name="member_id" id="member_id">
</p>
<input type="submit" value="Submit">
</form>
</body>
</html>
行动:
<?php
// database connection
include 'pdo_config.php';
try {
// new pdo connection
$conn = new PDO($dsn, $user, $pass, $opt);
// prepare statement and bind parameters
$stmt = $conn->prepare("INSERT INTO games (date, duration, member_id)
VALUES (:date, :duration, :member_id)");
$stmt->bindParam(':date', $date);
$stmt->bindParam(':duration', $duration);
$stmt->bindParam(':member_id', $member_id);
// post data
$date = $_POST['date'];
$duration = $_POST['duration'];
$member_id = $_POST['member_id'];
// execute statement
$stmt->execute();
// success or error message
echo "New record created successfully";
}
catch(PDOException $e)
{
echo "Error: " . $e->getMessage();
}
$conn = null;
?>
最佳答案
这应该有效。
要求用户在表单中输入成员名称而不是成员 ID。然后对数据库进行第一次查询，以从成员名称中获取成员 ID。
请记住，从名称中搜索成员 ID 并不是一个好主意，因为您可能有多个同名成员。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Form</title>
</head>
<body>
<form action="action.php" method="post">
<p>
<label for="date">Date:</label>
<input type="date" name="date" id="date">
</p>
<p>
<label for="duration">Duration:</label>
<input type="time" name="duration" id="duration">
</p>
<p>
<label for="member_name">Member Name:</label>
<input type="text" name="member_name" id="member_name">
</p>
<input type="submit" value="Submit">
</form>
</body>
</html>
<?php
// database connection
include 'pdo_config.php';
try {
// new pdo connection
$conn = new PDO($dsn, $user, $pass, $opt);
// post data
$date = $_POST['date'];
$duration = $_POST['duration'];
// Note that the explode only works well if user inputs one blank space to separate the name
// You can try to improve the separation method or better use two different inputs in the form
$nameArray = explode(" ", $_POST['member_name']);
$first_name = $nameArray[0];
$last_name = $nameArray[1];
$statement = $conn->prepare("SELECT member_id FROM members WHERE first_name = :first_name AND last_name = :last_name");
$statement->execute(array(':fisrt_name' => $first_name, ':last_name' => $last_name));
$row = $statement->fetch();
$member_id = $row['member_id'];
// prepare statement and bind parameters
$stmt = $conn->prepare("INSERT INTO games (date, duration, member_id)
VALUES (:date, :duration, :member_id)");
$stmt->bindParam(':date', $date);
$stmt->bindParam(':duration', $duration);
$stmt->bindParam(':member_id', $member_id);
// execute statement
$stmt->execute();
// success or error message
echo "New record created successfully";
}
catch(PDOException $e)
{
echo "Error: " . $e->getMessage();
}
$conn = null;
?>
关于PHP MySQL - 用户输入名称并插入相应的ID，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/40698375/