274 lines
10 KiB
PHP
274 lines
10 KiB
PHP
<?php
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/**
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* MySQL数据库连接测试脚本 - 修复密码特殊符号问题
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* 使用方法:
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* php mysql_test.php --host=localhost --user=root --password='your@password#' --database=test
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* php mysql_test.php -h localhost -u root -p 'your@password#' -d test
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*/
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class MySQLConnectionTester {
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private $host;
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private $username;
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private $password;
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private $database;
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private $port;
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public function __construct($config = []) {
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$this->host = $config['host'] ?? 'localhost';
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$this->username = $config['username'] ?? 'root';
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$this->password = $config['password'] ?? '';
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$this->database = $config['database'] ?? 'test';
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$this->port = $config['port'] ?? 3306;
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}
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public function testConnection() {
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$this->printHeader();
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// 安全地显示连接信息（隐藏密码）
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$this->printConnectionInfo();
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try {
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// 测试连接
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$result = $this->connect();
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$this->printSuccess($result);
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// 测试查询
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$this->testQueries($result['pdo']);
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} catch (Exception $e) {
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$this->printError($e);
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return false;
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}
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$this->printFooter();
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return true;
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}
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private function connect() {
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$start_time = microtime(true);
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$dsn = "mysql:host={$this->host};port={$this->port};dbname={$this->database};charset=utf8mb4";
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$options = [
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
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PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
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PDO::ATTR_EMULATE_PREPARES => false,
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PDO::ATTR_TIMEOUT => 5, // 5秒连接超时
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];
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$pdo = new PDO($dsn, $this->username, $this->password, $options);
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$end_time = microtime(true);
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$connection_time = round(($end_time - $start_time) * 1000, 2);
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return [
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'pdo' => $pdo,
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'connection_time' => $connection_time,
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'server_version' => $pdo->getAttribute(PDO::ATTR_SERVER_VERSION),
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'client_version' => $pdo->getAttribute(PDO::ATTR_CLIENT_VERSION)
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];
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}
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private function testQueries($pdo) {
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echo "执行测试查询...\n";
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// 测试1: 简单查询
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$stmt = $pdo->query("SELECT 1 as test_value, NOW() as current_time");
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$result = $stmt->fetch();
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echo "✅ 简单查询测试: 成功\n";
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// 测试2: 显示当前用户和数据库
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$stmt = $pdo->query("SELECT USER() as current_user, DATABASE() as current_database");
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$info = $stmt->fetch();
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echo "当前用户: {$info['current_user']}\n";
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echo "当前数据库: {$info['current_database']}\n";
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// 测试3: 显示进程列表（前5个）
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try {
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$stmt = $pdo->query("SHOW PROCESSLIST LIMIT 5");
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$processes = $stmt->fetchAll();
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echo "当前连接数: " . count($processes) . "\n";
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} catch (Exception $e) {
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echo "⚠️ 无法查看进程列表（权限不足）\n";
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}
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}
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private function printHeader() {
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echo "========================================\n";
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echo "MySQL数据库连接测试\n";
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echo "========================================\n";
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}
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private function printConnectionInfo() {
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echo "连接信息:\n";
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echo "主机: {$this->host}:{$this->port}\n";
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echo "数据库: {$this->database}\n";
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echo "用户名: {$this->username}\n";
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echo "密码: " . ($this->password ? "***(已隐藏)" : "(空密码)") . "\n";
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echo "========================================\n";
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}
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private function printSuccess($result) {
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echo "✅ 数据库连接成功！\n";
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echo "连接耗时: {$result['connection_time']}ms\n";
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echo "MySQL服务器版本: {$result['server_version']}\n";
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echo "MySQL客户端版本: {$result['client_version']}\n";
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echo "----------------------------------------\n";
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}
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private function printError($e) {
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echo "❌ 数据库连接失败！\n";
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echo "错误代码: " . $e->getCode() . "\n";
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echo "错误信息: " . $e->getMessage() . "\n";
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$this->printTroubleshooting($e->getCode());
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echo "========================================\n";
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}
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private function printTroubleshooting($error_code) {
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echo "\n常见问题排查:\n";
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$suggestions = [
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1045 => ["- 检查用户名和密码是否正确", "- 检查用户是否有远程访问权限"],
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1049 => ["- 检查数据库名是否存在", "- 检查数据库名拼写是否正确"],
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2002 => ["- 检查主机地址是否正确", "- 检查MySQL服务是否启动", "- 检查防火墙设置"],
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2003 => ["- 检查端口是否正确", "- 检查MySQL服务是否启动", "- 检查防火墙设置"],
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1044 => ["- 检查用户是否有访问该数据库的权限", "- 检查数据库权限设置"],
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1698 => ["- 检查MySQL用户认证插件设置", "- 尝试使用mysql_native_password插件"],
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1130 => ["- 检查MySQL用户的主机权限设置", "- 允许用户从当前主机连接"],
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2013 => ["- 连接超时，检查网络状况", "- 检查MySQL服务器负载"]
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];
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if (isset($suggestions[$error_code])) {
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foreach ($suggestions[$error_code] as $suggestion) {
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echo "$suggestion\n";
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}
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} else {
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echo "- 检查网络连接\n";
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echo "- 检查MySQL服务状态\n";
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echo "- 检查防火墙和网络安全组设置\n";
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echo "- 检查密码中的特殊字符是否正确转义\n";
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}
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}
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private function printFooter() {
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echo "========================================\n";
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echo "所有测试完成！数据库连接正常。\n";
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echo "========================================\n";
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}
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}
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// 更安全的命令行参数处理
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function parseCommandLineArgs() {
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global $argv;
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$options = [
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'host' => 'localhost',
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'username' => 'root',
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'password' => '',
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'database' => 'test',
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'port' => 3306
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];
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// 手动解析参数，避免getopt对特殊字符的处理问题
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for ($i = 1; $i < count($argv); $i++) {
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$arg = $argv[$i];
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// 处理长选项 --option=value
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if (strpos($arg, '--') === 0) {
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$parts = explode('=', $arg, 2);
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$key = substr($parts[0], 2);
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$value = $parts[1] ?? '';
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switch ($key) {
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case 'host': $options['host'] = $value; break;
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case 'user': $options['username'] = $value; break;
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case 'password': $options['password'] = $value; break;
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case 'database': $options['database'] = $value; break;
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case 'port': $options['port'] = $value; break;
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case 'help': showHelp(); exit(0);
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}
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}
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// 处理短选项 -o value
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elseif (strpos($arg, '-') === 0) {
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$key = $arg[1];
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$value = $argv[$i + 1] ?? '';
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switch ($key) {
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case 'h': $options['host'] = $value; $i++; break;
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case 'u': $options['username'] = $value; $i++; break;
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case 'p': $options['password'] = $value; $i++; break;
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case 'd': $options['database'] = $value; $i++; break;
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case 'P': $options['port'] = $value; $i++; break;
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}
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}
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}
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return $options;
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}
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// 交互式输入函数（用于安全输入密码）
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function readPassword($prompt = "请输入密码: ") {
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if (PHP_OS_FAMILY === 'Windows') {
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echo $prompt;
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// Windows系统隐藏输入比较困难，直接显示
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$password = trim(fgets(STDIN));
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} else {
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// Linux/Mac系统可以使用stty隐藏输入
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echo $prompt;
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system('stty -echo');
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$password = trim(fgets(STDIN));
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system('stty echo');
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echo "\n";
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}
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return $password;
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}
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function showHelp() {
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echo "MySQL数据库连接测试工具\n\n";
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echo "使用方法:\n";
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echo " php " . basename(__FILE__) . " [选项]\n\n";
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echo "选项:\n";
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echo " -h, --host 数据库主机 (默认: localhost)\n";
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echo " -u, --user 数据库用户名 (默认: root)\n";
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echo " -p, --password 数据库密码 (建议用引号包裹特殊密码)\n";
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echo " -d, --database 数据库名 (默认: test)\n";
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echo " -P, --port 端口号 (默认: 3306)\n";
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echo " --help 显示此帮助信息\n\n";
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echo "密码特殊字符处理:\n";
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echo " 如果密码包含特殊字符，请使用单引号或双引号包裹:\n";
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echo " 正确: php script.php -p 'my@pass#word!'\n";
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echo " 正确: php script.php -p \"my@pass#word!\"\n";
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echo " 错误: php script.php -p my@pass#word!\n\n";
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echo "示例:\n";
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echo " php " . basename(__FILE__) . " -h 192.168.1.100 -u myuser -p 'my@pass#word!' -d mydb\n";
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echo " php " . basename(__FILE__) . " --host=mysql.example.com --user=admin --password='your@password#'\n";
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}
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// 主程序
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if (PHP_SAPI === 'cli') {
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// 命令行模式
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$config = parseCommandLineArgs();
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// 如果密码为空，尝试交互式输入
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if (empty($config['password'])) {
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$config['password'] = readPassword();
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}
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$tester = new MySQLConnectionTester($config);
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$success = $tester->testConnection();
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exit($success ? 0 : 1);
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} else {
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// Web浏览器模式
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echo "<pre>";
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$config = [
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'host' => $_POST['host'] ?? $_GET['host'] ?? 'localhost',
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'username' => $_POST['user'] ?? $_GET['user'] ?? 'root',
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'password' => $_POST['password'] ?? $_GET['password'] ?? '',
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'database' => $_POST['database'] ?? $_GET['database'] ?? 'test',
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'port' => $_POST['port'] ?? $_GET['port'] ?? 3306
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];
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$tester = new MySQLConnectionTester($config);
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$tester->testConnection();
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echo "</pre>";
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}
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?>
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