58 lines
1.5 KiB
PHP
58 lines
1.5 KiB
PHP
<?php
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// Code contributed by Xu Xiaopeng and his team (https://github.com/lanlab-org/LRR/pull/39/files#diff-b69ba96bf0e469383b373e8c9de257c0)
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//数据库信息
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include "get_mysql_credentials.php";
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$servername = "localhost";
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$username = $mysql_username;
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$password = $mysql_password;
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$dbname = "lrr";
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// 创建连接
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$conn = mysqli_connect($servername, $username, $password, $dbname);
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// 检测连接
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if (!$conn) {
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die("Connection failed: " . mysqli_connect_error());
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}
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//获得用户名数据
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$source = mysqli_real_escape_string($conn,$_POST['users']);
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//如有多个空格，删除剩一个空格
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$source1 = preg_replace('/\s\s+/', ' ', $source);
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//去除首尾巴的空格
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$source2 = trim($source1);
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//根据空格拆分
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$user = explode(' ', $source2);
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//插入数据
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for($index=0; $index < count($user); $index++) {
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$result = mysqli_query($conn, "SELECT * FROM `students_data` WHERE Student_ID='$user[$index]'");
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if (mysqli_num_rows($result) < 1) {
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if (! mysqli_query($conn, "REPLACE INTO `students_data`(`Student_ID`, `Passport_Number`) VALUES('$user[$index]', '')" ) ) {
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echo "SQL Error: " . $sql_stmt . "<br>" .htmlspecialchars(mysqli_error($conn));
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} else {
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echo "<p>Student number $user[$index] added.</p>";
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}
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} else {
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echo "<p><b>Student number $user[$index] already exists.</b></p>";
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}
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}
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//返回按钮
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echo "</br><input type='button' name='Back' onclick='javascript:history.back(-1);' value=' 返回 '>";
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//释放缓存
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$result->free();
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//中断连接
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mysqli_close($conn);
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?>
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