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iOS 解析短链接

 3 years ago
source link: http://yyny.me/2017/02/09/2017-2-9-iOS%20%E8%A7%A3%E6%9E%90%E7%9F%AD%E9%93%BE%E6%8E%A5/
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iOS 解析短链接

Posted on

2017-02-09 In iOS

Tutorial
let urlString = "" // 短链接地址

let configuration = NSURLSessionConfiguration.defaultSessionConfiguration()

/* 

Tip：为了安全，最好设置下 User-Agent

let xHTTPAdditionalHeaders: [NSObject: AnyObject] = ["User-Agent": UserAgent.userAgentString]

configuration.HTTPAdditionalHeaders = xHTTPAdditionalHeaders

*/ 

let session = NSURLSession(configuration: configuration)

let task = session.dataTaskWithRequest(NSURLRequest(URL: scanString.urlValue!), completionHandler: { (data, response, error) in
    print("短链接解析 error ：\(error)")

dispatch_async(dispatch_get_main_queue(), {
        if error == nil {
            if let str = response?.URL?.absoluteString { // 解析后的长链接
                // 成功操作
            } else {
                // 失败操作
            }
        } else {
            // 失败操作
        }
    })
})
task.resume()
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