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可以使用 NSURLConnection 同时通过一个连接调用多个 Web 服务吗?
还是我必须为每个呼叫创建一个连接?
不,您必须为每个请求NSURLConnection创建一个对象。一旦对象完成,它就不能被重用 - 与.NSURLConnectionNSURLRequest
NSURLConnection
NSURLRequest