升级到 XML iOS SDK

-ObjC
-all_load

COSClient *client= [[COSClient alloc] initWithAppId:appId withRegion:@“sh”];

//AppDelegate.m
//第一步：注册默认的 COS 服务
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    QCloudServiceConfiguration* configuration = [QCloudServiceConfiguration new];
    configuration.appID = @"1250000000";
    configuration.signatureProvider = self;
    QCloudCOSXMLEndPoint* endpoint = [[QCloudCOSXMLEndPoint alloc] init];
    endpoint.regionName = @"COS_REGION";//服务地域名称，可用的地域请参考注释
    configuration.endpoint = endpoint;
    [QCloudCOSXMLService registerDefaultCOSXMLWithConfiguration:configuration];
    [QCloudCOSTransferMangerService registerDefaultCOSTransferMangerWithConfiguration:configuration];
    return YES;
}

//第二步：实现 QCloudSignatureProvider 协议
//实现签名的过程，我们推荐在服务器端实现签名的过程，详情请参考接下来的 “生成签名” 这一章。

//AppDelegate.m

//这里定义一个成员变量 @property (nonatomic) QCloudCredentailFenceQueue* credentialFenceQueue;

- (void) fenceQueue:(QCloudCredentailFenceQueue * )queue requestCreatorWithContinue:(QCloudCredentailFenceQueueContinue)continueBlock
{
    QCloudCredential* credential = [QCloudCredential new];
    //在这里可以同步过程从服务器获取临时签名需要的 secretID，secretKey，expiretionDate 和 token 参数
    credential.secretID = @"COS_SECRETID";
    credential.secretKey = @"COS_SECRETKEY";
    /*强烈建议返回服务器时间作为签名的开始时间，用来避免由于用户手机本地时间偏差过大导致的签名不正确 */
    credential.startDate = [[[NSDateFormatter alloc] init] dateFromString:@"startTime"]; // 单位是秒
    credential.experationDate = [[[NSDateFormatter alloc] init] dateFromString:@"expiredTime"];
    credential.token = @"COS_TOKEN";
    QCloudAuthentationV5Creator* creator = [[QCloudAuthentationV5Creator alloc]
        initWithCredential:credential];
    continueBlock(creator, nil);
}

- (void) signatureWithFields:(QCloudSignatureFields*)fileds
                     request:(QCloudBizHTTPRequest*)request
                  urlRequest:(NSMutableURLRequest*)urlRequst
                   compelete:(QCloudHTTPAuthentationContinueBlock)continueBlock
{
    [self.credentialFenceQueue performAction:^(QCloudAuthentationCreator *creator, NSError *error) {
        if (error) {
            continueBlock(nil, error);
        } else {
            QCloudSignature* signature =  [creator signatureForData:urlRequst];
            continueBlock(signature, nil);
        }
    }];
}

NSString *bucket = "examplebucket-1250000000";

QCloudCOSXMLUploadObjectRequest* put = [QCloudCOSXMLUploadObjectRequest new];
put.object = @"exampleobject";
put.bucket = @"examplebucket-1250000000";
put.body = [@"testFileContent" dataUsingEncoding:NSUTF8StringEncoding];
//设置一些上传的参数
put.initMultipleUploadFinishBlock = ^(QCloudInitiateMultipartUploadResult * multipleUploadInitResult,
    QCloudCOSXMLUploadObjectResumeData resumeData) {
    //在初始化分块上传完成以后会回调该 block，在这里可以获取 resumeData，
    //并且可以通过 resumeData 生成一个分块上传的请求
    QCloudCOSXMLUploadObjectRequest* request = [QCloudCOSXMLUploadObjectRequest
        requestWithRequestData:resumeData];
};
[put setSendProcessBlock:^(int64_t bytesSent, int64_t totalBytesSent,
    int64_t totalBytesExpectedToSend) {
    NSLog(@"upload %lld totalSend %lld aim %lld", bytesSent, totalBytesSent,
        totalBytesExpectedToSend);
}];
[put setFinishBlock:^(QCloudUploadObjectResult *result, NSError* error) {
    //可以从 result 获取结果
}];

[[QCloudCOSTransferMangerService defaultCOSTransferManager] UploadObject:put];
//舍弃一个分块上传并删除已上传的块
[put abort:^(id outputObject, NSError *error) {
//
}];

//•••在完成了初始化，并且上传没有完成前
NSError* error;
//这里是主动调用取消，并且产生 resumetData 的例子
QCloudCOSXMLUploadObjectResumeData resumeData = [put cancelByProductingResumeData:&error];
QCloudCOSXMLUploadObjectRequest* request = nil;
if (resumeData) {
    request = [QCloudCOSXMLUploadObjectRequest requestWithRequestData:resumeData];
}
//生成的用于恢复上传的请求可以直接上传
[[QCloudCOSTransferMangerService defaultCOSTransferManager] UploadObject:request];