<?php
class DatabasePool {
    private $connections = [];
    private $config = [];
    private $maxConnections = 10; // Adjust as needed

    public function __construct($config) {
        $this->config = $config;
    }

    public function getConnection() {
        if (count($this->connections) < $this->maxConnections) {
            $this->connections[] = new mysqli(
                $this->config['host'],
                $this->config['user'],
                $this->config['password'],
                $this->config['database']
            );
            if ($this->connections[count($this->connections)-1]->connect_errno) {
                die("Failed to connect to MySQL: " . $this->connections[count($this->connections)-1]->connect_error);
            }
        }
        return array_shift($this->connections);
    }

    public function releaseConnection($connection) {
        $this->connections[] = $connection;
    }
}

// Example usage within your Workerman application:
$dbConfig = [
    'host' => 'localhost',
    'user' => 'your_username',
    'password' => 'your_password',
    'database' => 'your_database'
];

$dbPool = new DatabasePool($dbConfig);
$conn = $dbPool->getConnection();

// Perform database operations using $conn

$dbPool->releaseConnection($conn);
?>

>

>

幾個最佳實(shí)踐可確保在工作中有效且安全的數(shù)據(jù)庫操作，以防止您在工作中準(zhǔn)備好的數(shù)據(jù)庫。 SQL注入漏洞。 這對于安全性至關(guān)重要。

• >交易：>對于涉及多個數(shù)據(jù)庫修改的操作，使用交易來確保原子（所有更改成功或無成功）。
>
• 連接池（如上所述）要優(yōu)雅地捕獲和記錄數(shù)據(jù)庫錯誤。
• 連接超時：設(shè)置適當(dāng)?shù)倪B接超時，以防止您的應(yīng)用程序無限期地懸掛，如果數(shù)據(jù)庫不可用。 使用索引正確。 這是一個示例，說明使用MySQLI準(zhǔn)備的已準(zhǔn)備好的語句：說明安全數(shù)據(jù)庫訪問

  <?php
  class DatabasePool {
      private $connections = [];
      private $config = [];
      private $maxConnections = 10; // Adjust as needed
  
      public function __construct($config) {
          $this->config = $config;
      }
  
      public function getConnection() {
          if (count($this->connections) < $this->maxConnections) {
              $this->connections[] = new mysqli(
                  $this->config['host'],
                  $this->config['user'],
                  $this->config['password'],
                  $this->config['database']
              );
              if ($this->connections[count($this->connections)-1]->connect_errno) {
                  die("Failed to connect to MySQL: " . $this->connections[count($this->connections)-1]->connect_error);
              }
          }
          return array_shift($this->connections);
      }
  
      public function releaseConnection($connection) {
          $this->connections[] = $connection;
      }
  }
  
  // Example usage within your Workerman application:
  $dbConfig = [
      'host' => 'localhost',
      'user' => 'your_username',
      'password' => 'your_password',
      'database' => 'your_database'
  ];
  
  $dbPool = new DatabasePool($dbConfig);
  $conn = $dbPool->getConnection();
  
  // Perform database operations using $conn
  
  $dbPool->releaseConnection($conn);
  ?>

  >

  此示例顯示了如何使用準(zhǔn)備好的語句安全查詢數(shù)據(jù)庫。 至關(guān)重要的是，請注意，在查詢中使用$username>應(yīng)在中進(jìn)行消毒或驗(yàn)證，以防止SQL注入。 切勿直接將用戶輸入到SQL查詢中。>記住要用您的實(shí)際數(shù)據(jù)庫憑據(jù)替換占位符值，例如

  >，

  和。 這種全面的方法可確保您的工作人員應(yīng)用程序中的高效和安全數(shù)據(jù)庫交互。

  以上是workerman怎么調(diào)用數(shù)據(jù)庫 workerman數(shù)據(jù)庫調(diào)用教程的詳細(xì)內(nèi)容。更多信息請關(guān)注PHP中文網(wǎng)其他相關(guān)文章！