swift3.0封装七牛云上传工具类

因为项目要使用到七牛云保存资源文件,所以就自己整理了一个七牛云的上传工具类方便以后的开发和使用,希望能帮到大家!

let kQiniuBucket = "你项目的Bucket"
let kQiniuAccessKey = "你项目的AccessKey"
let kQiniuSecretKey = "你项目的SecretKey "

import UIKit

class QiniuTools {
    
    static var filePath = String()
    static var sharedInstance = QiniuTools()
    
    var Index : Int = 0
    
    init() {
        
    }
    
    func token() -> String {
        return self.createQiniuToken(fileName: kQiniuBucket)
    }
    
    func hmacsha1WithString(str: String, secretKey: String) -> NSData {
        
        let cKey  = secretKey.cString(using: String.Encoding.ascii)
        let cData = str.cString(using: String.Encoding.ascii)
        
        var result = [CUnsignedChar](repeating: 0, count: Int(CC_SHA1_DIGEST_LENGTH))
        CCHmac(CCHmacAlgorithm(kCCHmacAlgSHA1), cKey!, Int(strlen(cKey!)), cData!, Int(strlen(cData!)), &result)
        let hmacData: NSData = NSData(bytes: result, length: (Int(CC_SHA1_DIGEST_LENGTH)))
        return hmacData
    }
    
    func createQiniuToken(fileName: String) -> String {
        
        let oneHourLater = NSDate().timeIntervalSince1970 + 3600
        let putPolicy: NSDictionary = ["scope": kQiniuBucket, "deadline": NSNumber(value: UInt64(oneHourLater))]
        let encodedPutPolicy = QNUrlSafeBase64.encode(putPolicy.jsonString())
        let sign = self.hmacsha1WithString(str: encodedPutPolicy!, secretKey: kQiniuSecretKey)
        let encodedSign = QNUrlSafeBase64.encode(sign as Data!)
        
        return kQiniuAccessKey + ":" + encodedSign! + ":" + encodedPutPolicy!
    }
    
    func uploadImageData(image:Data , result: @escaping (_ progress: Float? , _ imageKey:String? ) -> ()) {
        
        
        let token = self.token()
        
        let opt = QNUploadOption(mime: nil, progressHandler: {(key, progres) in
            
            result(progres, nil)
        }, params: nil, checkCrc: true, cancellationSignal: nil)
        
        var cutdownData : Data!
        if (image.count < 9999) {
            cutdownData = image
        } else if (image.count < 99999) {
            let nowImage = UIImage.init(data: image)!
            cutdownData = UIImageJPEGRepresentation(nowImage, 0.6)
        } else {
            let nowImage = UIImage.init(data: image)!
            cutdownData = UIImageJPEGRepresentation(nowImage, 0.3)
        }
        
        
        
        if let manager = QNUploadManager() {
            manager.put(cutdownData, key: nil, token: token, complete: { (Info, key, resp) in
                if (Info?.isConnectionBroken)! {
                    NOAlertManager.showErrorHUD("网络连接错误")
                    return
                }
                
                if let imageKey = resp?["key"] as? String {
                    
                    result(nil, imageKey)
                }
                
            }, option: opt)
        }
        
    }
    
    func uploadVideoData(video:Data , result: @escaping (_ progress: Float? , _ imageKey:String? ) -> ()) {
        
        
        let token = self.token()
        
        let opt = QNUploadOption(mime: nil, progressHandler: {(key, progres) in
            
            result(progres, nil)
        }, params: nil, checkCrc: true, cancellationSignal: nil)
        
        
        
        if let manager = QNUploadManager() {
            manager.put(video, key: nil, token: token, complete: { (Info, key, resp) in
                
                if (Info?.isConnectionBroken)! {
                    NOAlertManager.showErrorHUD("网络连接错误")
                    return
                }
                
                if let imageKey = resp?["key"] as? String {
                    
                    result(nil, imageKey)
                }
                
            }, option: opt)
        }
        
    }
    
    func upVideoDatas(videos:[Data] , result: @escaping (_ progress: Float? , _ imageKey:String? ) -> (),allTasksCompletion:@escaping () -> () ) {
        
        if (Index < videos.count) {
            
            uploadVideoData(video: videos[Index], result: { (progres, imageKey) in
                
                if (imageKey != nil) {
                    
                    result(progres, imageKey)
                    
                    self.Index += 1
                    
                    self.upVideoDatas(videos: videos, result: result, allTasksCompletion: allTasksCompletion)
                }
            })
        }else{
            allTasksCompletion()
            Index = 0
        }
        
    }
    
    
    func upImageDatas(images:[Data] , result: @escaping (_ progress: Float? , _ imageKey:String? ) -> (),allTasksCompletion:@escaping () -> () ) {
        
        if (Index < images.count) {
            
            uploadImageData(image: images[Index], result: { (progres, imageKey) in
                
                if (imageKey != nil) {
                    
                    result(progres, imageKey)
                    
                    self.Index += 1
                    
                    self.upImageDatas(images: images, result: result, allTasksCompletion: allTasksCompletion)
                }
            })
        }else{
            allTasksCompletion()
            Index = 0
        }
        
    }
    
}