MySQL语法如何实现数据导出(Swift) 发布时间:2025/01/22 在Swift语言中使用MySQL数据库实现数据导出,在Swift项目中引入相应的库文件。下面编程教程网小编给大家简单介绍一下具体实现代码! 具体实现代码如下: let hostname = "localhost" // MySQL主机名 let username = "root" // MySQL用户名 let password = "password" // MySQL密码 let database = "mydatabase" // MySQL数据库名称 let mysql = MySQLDatabase(hostname: hostname, username: username, password: password, database: database) let pool = EventLoopGroupConnectionPool(source: mysql, maxConnectionsPerEventLoop: 1, on: ... /* 选择EventLoop的方法 */) defer { pool.shutdown() } //数据导出 func exportData(toFile fileURL: URL) throws { let query = "SELECT * FROM users" let statement = MySQLStatement(query: query) let result = try statement.executeWithOutput(on: pool) var csvData = "First Name,Last Name " for row in result { let firstName = row["firstName"]?.string ?? "" let lastName = row["lastName"]?.string ?? "" csvData.append(""(firstName)","(lastName)" ") } try csvData.write(to: fileURL, atomically: true, encoding: .utf8) } 复制代码 以上是编程学习网小编为您介绍的“MySQL语法如何实现数据导出(Swift)”的全面内容,想了解更多关于 mysql 内容,请继续关注编程基础学习网。