Network Programming for iOS development-1. Basic use of NSURLSession and iosnsurlsession

Network Programming for iOS development-1. Basic use of NSURLSession and iosnsurlsession

Before learning how to use NSURLSession, I should first learn a good article about NSURLSession, From NSURLConnection to NSURLSession, or a Chinese translation From NSURLConnection to NSURLSession. alternatively, you can directly learn "from NSURLConnection to NSURLSession" without learning your blog garden notes. This article gives a detailed description of the use of NSURLSession. However, this article will give a rough introduction to the basic NSURLSession and basic network requests for my forgotten review.