update
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parent
d22843d66a
commit
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="DataSourceManagerImpl" format="xml" multifile-model="true">
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<data-source source="LOCAL" name="db_database11@localhost" uuid="7b1c894b-03c5-4e7c-a1d6-e45cc1023c83">
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<driver-ref>mysql.8</driver-ref>
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<synchronize>true</synchronize>
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<jdbc-driver>com.mysql.cj.jdbc.Driver</jdbc-driver>
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<jdbc-url>jdbc:mysql://localhost:3306/db_database11</jdbc-url>
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<working-dir>$ProjectFileDir$</working-dir>
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</data-source>
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</component>
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</project>
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="SqlDialectMappings">
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<file url="file://$PROJECT_DIR$/11.test4.php" dialect="MySQL" />
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<file url="PROJECT" dialect="MySQL" />
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</component>
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</project>
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<?php
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setcookie('TMCookie','www.mrbccd.com');
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setcookie('testcookie','helloworld',time()+300);
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if(!isset($_COOKIE['last_visit_time'])){
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echo '你是第一次访问该站点';
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}else{
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echo '上次访问该站点的时间为:'.date('Y-m-d H:i:s',$_COOKIE['last_visit_time']);
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}
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setcookie('last_visit_time',time(),time()+60);
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session_start();
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$_SESSION['admin']=null;
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<?php
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session_start();
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if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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$_SESSION['user'] = $_POST['username'];
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$_SESSION['password'] = $_POST['password'];
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$_SESSION['role'] = null;
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if ($_SESSION['user'] == 'user' && $_SESSION['password'] == 'user') {
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$_SESSION['role'] = 'user';
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} elseif ($_SESSION['user'] == 'admin' && $_SESSION['password'] == 'admin') {
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$_SESSION['role'] = 'admin';
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} else {
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echo <<<EOL
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<script>
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alert('用户名或密码错误');
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history.back();
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</script>
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<noscript>
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用户名或密码错误
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</noscript>
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EOL;
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exit();
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}
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}
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if (empty($_SESSION['role'])) {
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echo <<<EOL
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<script>
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alert('非法访问！');
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location.href = "11.test2.php";
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</script>
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<noscript>
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非法访问
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</noscript>
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EOL;
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exit();
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}
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echo '你好，' . $_SESSION['user'] . '<br>你的身份是' . $_SESSION['role'];
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echo '<br>' . '<a href="11.test2.logout.php">退出登录</a>';
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<?php
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session_start();
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unset($_SESSION['user']);
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unset($_SESSION['password']);
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unset($_SESSION['role']);
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session_destroy();
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header('location:11.test2.php');
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<?php
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session_start();
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if (isset($_SESSION['role'])) {
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echo '<script>alert("你已经登录，不需要再次登录");location.href="11.test2.default.php";</script>';
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}
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?>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>用户登录</title>
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</head>
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<body>
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<form action="11.test2.default.php" method="post" id="login_form1">
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<table>
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<tr>
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<td>
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<label for="username1">用户名</label>
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</td>
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<td>
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<input type="text" name="username" id="username1" required>
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</td>
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</tr>
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<tr>
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<td>
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<label for="password1">密码</label>
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</td>
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<td>
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<input type="password" name="password" id="password1" required>
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</td>
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</tr>
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<tr>
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<td colspan="2" style="text-align: center">
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<input type="submit" name="submit" id="submit1" value="登录" oninput="return check(form)">
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<input type="reset" name="reset" id="reset1" value="重置">
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</td>
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</tr>
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</table>
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</form>
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<script>
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function check(login) {
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if (login.username.value === "") {
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alert("用户名不能为空");
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form.username.focus();
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return false;
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}
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if (login.password.value === "") {
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alert("密码不能为空");
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form.paasword.focus();
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return false;
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}
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form.submit();
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}
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</script>
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</body>
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<?php
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$path = './tmp/';
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// 判断给定的session存储位置是否存在,不存在则创建对应文件夹
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if (!file_exists($path)) {
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mkdir($path, 0777, true);
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}
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session_save_path($path);
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session_cache_limiter('private');
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$cache_limit = session_cache_limiter();
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session_cache_expire(30);
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$cache_expire = session_cache_expire();
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echo 'The cache limit is ' . $cache_limit . '<br>';
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echo 'The cache expire is ' . $cache_expire . '<br>';
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session_start();
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$_SESSION['username'] = true;
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<?php
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class MySessionHandler implements SessionHandlerInterface
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{
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public function close(): bool
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{
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global $handle;
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mysqli_close($handle);
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return true;
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}
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public function destroy(string $id): bool
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{
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global $handle;
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$stmt = $handle->prepare("delete from tb_session where session_key = ?");
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$stmt->bind_param("s", $id);
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$stmt->execute();
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$result = $stmt->affected_rows;
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$stmt->close();
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return $result;
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}
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public function gc(int $max_lifetime): int|false
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{
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global $handle;
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$lapse_time = time();
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return $handle->query("delete from tb_session where session_time < ($lapse_time-$max_lifetime)");
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}
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public function open(string $path, string $name): bool
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{
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global $handle;
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mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
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try {
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$handle = new mysqli('localhost:3306', 'root', 'chenx221', 'db_database11');
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$handle->set_charset('utf8mb4');
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return true;
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} catch (Exception $e) {
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error_log("Failed to connect to database: " . $e->getMessage());
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return false;
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}
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}
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public function read(string $id): string|false
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{
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global $handle;
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$stmt = $handle->prepare("select session_data from tb_session where session_key = ?");
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$stmt->bind_param("s", $id);
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$stmt->execute();
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$session_data = null;
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$stmt->bind_result($session_data);
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$stmt->fetch();
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$stmt->close();
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if ($session_data != null) {
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return $session_data;
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} else {
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return '';
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}
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}
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public function write(string $id, string $data): bool
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{
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$id='pvqdqck4rurolsi7qaha4n4ul1';
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global $handle;
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$lapse_time = time();
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mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
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$handle = new mysqli('localhost', 'root', 'chenx221', 'db_database11');
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$handle->set_charset('utf8mb4');
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$stmt = $handle->prepare("select session_data from tb_session where session_key = ?");
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$stmt->bind_param("s", $id, );
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$stmt->execute();
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$stmt->store_result();
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if ($stmt->num_rows() == 0) {
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$stmt2 = $handle->prepare("insert into tb_session values(?,?,?)");
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$stmt2->bind_param("ssi", $id, $data, $lapse_time);
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} else {
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$stmt2 = $handle->prepare("update tb_session set session_data = ? , session_time = ? where session_key = ? ");
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$stmt2->bind_param("sis", $data, $lapse_time, $id);
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}
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$stmt2->execute();
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$result = $stmt2->affected_rows;
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$stmt2->close();
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$stmt->close();
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return $result;
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}
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}
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session_set_save_handler(new MySessionHandler());
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session_start();
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$_SESSION['user'] = 'mr';
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$_SESSION['pwd'] = 'mrsoft';
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@ -0,0 +1,35 @@
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/*
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Navicat Premium Data Transfer
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Source Server : local
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Source Server Type : MySQL
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Source Server Version : 80200 (8.2.0)
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Source Host : localhost:3306
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Source Schema : db_database11
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Target Server Type : MySQL
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Target Server Version : 80200 (8.2.0)
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File Encoding : 65001
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Date: 16/01/2024 14:52:09
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*/
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SET NAMES utf8mb4;
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SET FOREIGN_KEY_CHECKS = 0;
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-- ----------------------------
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-- Table structure for tb_session
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-- ----------------------------
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DROP TABLE IF EXISTS `tb_session`;
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CREATE TABLE `tb_session` (
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`session_key` varchar(32) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL,
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`session_data` text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL,
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`session_time` int NULL DEFAULT NULL,
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PRIMARY KEY (`session_key`) USING BTREE
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) ENGINE = MyISAM AUTO_INCREMENT = 1 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = Dynamic;
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-- ----------------------------
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-- Records of tb_session
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-- ----------------------------
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SET FOREIGN_KEY_CHECKS = 1;
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@ -0,0 +1 @@
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username|b:1;
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