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AFN的使用(待整理)

2024-09-20 06:59:26   218人阅读

待整理

一、文件下载

1.创建下载

    //1.创建会话管理者
    AFHTTPSessionManager *manager =[AFHTTPSessionManager manager];
    NSURL *url = [NSURL URLWithString:@"http://120.25.226.186:32812/resources/videos/minion_01.mp4"];
    NSURLRequest *request = [NSURLRequest requestWithURL:url];
    //2.下载文件
    /*
     第一个参数:请求对象
     第二个参数:progress 进度回调 downloadProgress
     第三个参数:destination 回调(目标位置)
                有返回值
                targetPath:临时文件路径
                response:响应头信息
     第四个参数:completionHandler 下载完成之后的回调
                filePath:最终的文件路径
     */
    NSURLSessionDownloadTask *download = [manager downloadTaskWithRequest:request progress:^(NSProgress * _Nonnull downloadProgress) {
        //监听下载进度
        //completedUnitCount 已经下载的数据大小
        //totalUnitCount     文件数据的中大小
        NSLog(@"%f",1.0 *downloadProgress.completedUnitCount / downloadProgress.totalUnitCount);
        
    } destination:^NSURL * _Nonnull(NSURL * _Nonnull targetPath, NSURLResponse * _Nonnull response) {
        NSString *fullPath = [[NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject] stringByAppendingPathComponent:response.suggestedFilename];
        
        NSLog(@"targetPath:%@",targetPath);
        NSLog(@"fullPath:%@",fullPath);
        return [NSURL fileURLWithPath:fullPath];
    } completionHandler:^(NSURLResponse * _Nonnull response, NSURL * _Nullable filePath, NSError * _Nullable error) {
        NSLog(@"%@",filePath);
    }];
    //3.执行Task
    [download resume];

2.简单下载工具类

+(void)get:(NSString *)url params:(NSDictionary *)params success:(void (^)(id))success failure:(void (^)(NSError *))failure
{
    //1.获得请求管理者
    AFHTTPSessionManager *mgr = [AFHTTPSessionManager manager];
    
    //2.发送Get请求
    [mgr GET:url parameters:params progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        if (success) {
            success(responseObject);
        }
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        if (failure) {
            failure(error);
        }
    }];
}
+(NSURLSessionDataTask *)post:(NSString *)url params:(NSDictionary *)params success:(void (^)(id))success failure:(void (^)(NSError *))failure
{
    //1.获得请求管理者
    AFHTTPSessionManager *mgr = [AFHTTPSessionManager manager];
   NSURLSessionDataTask *dataTask = [mgr POST:url parameters:params progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
       if (success) {
           success(responseObject);
       }
   } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
       if (failure) {
           failure(error);
       }
   }];
    return dataTask;
}　　

　三、文件上传

#define Kboundary @"----WebKitFormBoundaryjv0UfA04ED44AhWx"
#define KNewLine [@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]
//1.创建会话管理者
    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    //2.1url
    NSURL *url = [NSURL URLWithString:@"http://120.25.226.186:32812/upload"];
    //2.2创建请求对象
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
    //2.3 设置请求方法
    request.HTTPMethod = @"POST";
    //2.4 设请求头信息
    [request setValue:[NSString stringWithFormat:@"multipart/form-data; boundary=%@",Kboundary] forHTTPHeaderField:@"Content-Type"];
    //3.发送请求上传文件
    NSURLSessionUploadTask *uploadTask = [manager uploadTaskWithRequest:request fromData:[self getBodyData] progress:^(NSProgress * _Nonnull uploadProgress) {
        NSLog(@"%f",1.0 * uploadProgress.completedUnitCount/ uploadProgress.totalUnitCount);
    } completionHandler:^(NSURLResponse * _Nonnull response, id  _Nullable responseObject, NSError * _Nullable error) {
        NSLog(@"%@",responseObject);
    }];
    //4.执行task
    [uploadTask resume];
}
-(NSData *)getBodyData
{
    NSMutableData *fileData = http://www.mamicode.com/[NSMutableData data];"file"; filename="Snip20160225_341.png"
     Content-Type: image/png(MIMEType:大类型/小类型)
     空行
     文件参数
     */
    [fileData appendData:[[NSString stringWithFormat:@"--%@",Kboundary] dataUsingEncoding:NSUTF8StringEncoding]];
    [fileData appendData:KNewLine];
    //name:file 服务器规定的参数
    //filename:Snip20160225_341.png 文件保存到服务器上面的名称
    //Content-Type:文件的类型
    [fileData appendData:[@"Content-Disposition: form-data; name=\"file\"; filename=\"Sss.png\"" dataUsingEncoding:NSUTF8StringEncoding]];
    [fileData appendData:KNewLine];
    [fileData appendData:[@"Content-Type: image/png" dataUsingEncoding:NSUTF8StringEncoding]];
    [fileData appendData:KNewLine];
    [fileData appendData:KNewLine];
    UIImage *image = [UIImage imageNamed:@"Snip20160227_128"];
    //UIImage --->NSData
    NSData *imageData = UIImagePNGRepresentation(image);
    [fileData appendData:imageData];
    [fileData appendData:KNewLine];
    //5.2 非文件参数
    /*
     --分隔符
     Content-Disposition: form-data; name="username"
     空行
     123456
     */
    [fileData appendData:[[NSString stringWithFormat:@"--%@",Kboundary] dataUsingEncoding:NSUTF8StringEncoding]];
    [fileData appendData:KNewLine];
    [fileData appendData:[@"Content-Disposition: form-data; name=\"username\"" dataUsingEncoding:NSUTF8StringEncoding]];
    [fileData appendData:KNewLine];
    [fileData appendData:KNewLine];
    [fileData appendData:[@"123456" dataUsingEncoding:NSUTF8StringEncoding]];
    [fileData appendData:KNewLine];
    //5.3 结尾标识
    /*
     --分隔符--
     */
    [fileData appendData:[[NSString stringWithFormat:@"--%@--",Kboundary] dataUsingEncoding:NSUTF8StringEncoding]];
    return fileData;
}
-(void)upload2
{
    //1.创建会话管理者
    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
//    NSDictionary *dictM = @{}
    //2.发送post请求上传文件
    /*
     第一个参数:请求路径
     第二个参数:字典(非文件参数)
     第三个参数:constructingBodyWithBlock 处理要上传的文件数据
     第四个参数:进度回调
     第五个参数:成功回调 responseObject:响应体信息
     第六个参数:失败回调
     */
    [manager POST:@"http://120.25.226.186:32812/upload" parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData>  _Nonnull formData) {
        
        UIImage *image = [UIImage imageNamed:@"Snip20160227_128"];
        NSData *imageData = UIImagePNGRepresentation(image);
        //使用formData来拼接数据
        /*
         第一个参数:二进制数据 要上传的文件参数
         第二个参数:服务器规定的
         第三个参数:该文件上传到服务器以什么名称保存
         */
        //[formData appendPartWithFileData:imageData name:@"file" fileName:@"xxxx.png" mimeType:@"image/png"];
        //[formData appendPartWithFileURL:[NSURL fileURLWithPath:@"/Users/xiaomage/Desktop/Snip20160227_128.png"] name:@"file" fileName:@"123.png" mimeType:@"image/png" error:nil]; 
        [formData appendPartWithFileURL:[NSURL fileURLWithPath:@"/Users/xiaomage/Desktop/Snip20160227_128.png"] name:@"file" error:nil];
    } progress:^(NSProgress * _Nonnull uploadProgress) {   
        NSLog(@"%f",1.0 * uploadProgress.completedUnitCount/uploadProgress.totalUnitCount);
    } success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        NSLog(@"上传成功---%@",responseObject);
        
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"上传失败---%@",error);
    }];
}　　

　　

四、AFN序列化处理

1.处理json
//返回的是JSON数据
-(void)json
{
    //1.创建会话管理者
    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    
    //http://120.25.226.186:32812/login?username=123&pwd=122&type=JSON
    NSDictionary *paramDict = @{
                                @"username":@"123",
                                @"pwd":@"123",
                                @"type":@"JSON"
                                };
    //2.发送GET请求
    /*
     第一个参数:请求路径(不包含参数).NSString
     第二个参数:字典(发送给服务器的数据~参数)
     第三个参数:progress 进度回调
     第四个参数:success 成功回调
     task:请求任务
     responseObject:响应体信息(JSON--->OC对象)
     第五个参数:failure 失败回调
     error:错误信息
     响应头:task.response
     */
    [manager GET:@"http://120.25.226.186:32812/login" parameters:paramDict progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        NSLog(@"%@---%@",[responseObject class],responseObject);
        
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"请求失败--%@",error);
    }];
}
//处理xml
//返回的是XML
-(void)xml
{
    //1.创建会话管理者
    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    
    //http://120.25.226.186:32812/login?username=123&pwd=122&type=JSON
    //注意:如果返回的是xml数据,那么应该修改AFN的解析方案
    manager.responseSerializer = [AFXMLParserResponseSerializer serializer];
    
    NSDictionary *paramDict = @{
                                @"type":@"XML"
                                };
    //2.发送GET请求
    /*
     第一个参数:请求路径(不包含参数).NSString
     第二个参数:字典(发送给服务器的数据~参数)
     第三个参数:progress 进度回调
     第四个参数:success 成功回调
        task:请求任务
        responseObject:响应体信息(JSON--->OC对象)
     第五个参数:failure 失败回调
        error:错误信息
     响应头:task.response
     */
    [manager GET:@"http://120.25.226.186:32812/video" parameters:paramDict progress:nil success:^(NSURLSessionDataTask * _Nonnull task,NSXMLParser *parser) {
        //NSLog(@"%@---%@",[responseObject class],responseObject);
        //NSXMLParser *parser =(NSXMLParser *)responseObject;
        //设置代理
        parser.delegate = self;
        //开始解析
        [parser parse];
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"请求失败--%@",error);
    }];
}
//返回的二进制数据
-(void)httpData
{
    //1.创建会话管理者
    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    
    //注意:如果返回的是xml数据,那么应该修改AFN的解析方案AFXMLParserResponseSerializer
    //注意:如果返回的数据既不是xml也不是json那么应该修改解析方案为:
    //manager.responseSerializer = [AFXMLParserResponseSerializer serializer];
    manager.responseSerializer = [AFHTTPResponseSerializer serializer];
    
    //2.发送GET请求
    [manager GET:@"http://120.25.226.186:32812/resources/images/minion_01.png" parameters:nil progress:nil success:^(NSURLSessionDataTask * _Nonnull task,id  _Nullable responseObject) {
        NSLog(@"%@-",[responseObject class]);
        
        //UIImage *image = [UIImage imageWithData:responseObject];
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"请求失败--%@",error);
    }];
}

-(void)httpData2
{
    //1.创建会话管理者
    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    
    //注意:如果返回的是xml数据,那么应该修改AFN的解析方案AFXMLParserResponseSerializer
    //注意:如果返回的数据既不是xml也不是json那么应该修改解析方案为:
    //manager.responseSerializer = [AFXMLParserResponseSerializer serializer];
   
    //告诉AFN能够接受text/html类型的数据
    manager.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"text/html"];
    
    manager.responseSerializer = [AFHTTPResponseSerializer serializer];
    
    //2.发送GET请求
    [manager GET:@"http://www.baidu.com" parameters:nil progress:nil success:^(NSURLSessionDataTask * _Nonnull task,id  _Nullable responseObject) {
        NSLog(@"%@-%@",[responseObject class],[[NSString alloc]initWithData:responseObject encoding:NSUTF8StringEncoding]);
        
        //UIImage *image = [UIImage imageWithData:responseObject];
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"请求失败--%@",error);
    }];
}

#pragma mark ----------------------
#pragma mark NSXMLParserDelegate
-(void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary<NSString *,NSString *> *)attributeDict
{
    NSLog(@"%@--%@",elementName,attributeDict);
}

　　

五、网络监测

  //1.获得一个网络状态检测管理者
    AFNetworkReachabilityManager *manager = [AFNetworkReachabilityManager sharedManager];
    //2.监听状态的改变
    /*
     AFNetworkReachabilityStatusUnknown          = -1, 未知
     AFNetworkReachabilityStatusNotReachable     = 0,  没有网络
     AFNetworkReachabilityStatusReachableViaWWAN = 1,  蜂窝网络
     AFNetworkReachabilityStatusReachableViaWiFi = 2   Wifi
     */
    [manager setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) {
        switch (status) {
            case AFNetworkReachabilityStatusReachableViaWWAN:
                NSLog(@"蜂窝网络");
                break;
            case AFNetworkReachabilityStatusReachableViaWiFi:
                NSLog(@"WIFI");
                break;
            case AFNetworkReachabilityStatusNotReachable:
                NSLog(@"没有网络");
                break;
            case AFNetworkReachabilityStatusUnknown:
                NSLog(@"未知");
                break;
            default:
                break;
        }
    }];
    //3.开始监听
    [manager startMonitoring];
}

　　

六、加密类

#pragma mark - 散列函数
/**
 *  计算MD5散列结果
 *
 *  终端测试命令：
 *  @code
 *  md5 -s "string"
 *  @endcode
 *
 *  <p>提示：随着 MD5 碰撞生成器的出现，MD5 算法不应被用于任何软件完整性检查或代码签名的用途。<p>
 *
 *  @return 32个字符的MD5散列字符串
 */
- (NSString *)md5String;

/**
 *  计算SHA1散列结果
 *
 *  终端测试命令：
 *  @code
 *  echo -n "string" | openssl sha -sha1
 *  @endcode
 *
 *  @return 40个字符的SHA1散列字符串
 */
- (NSString *)sha1String;

/**
 *  计算SHA256散列结果
 *
 *  终端测试命令：
 *  @code
 *  echo -n "string" | openssl sha -sha256
 *  @endcode
 *
 *  @return 64个字符的SHA256散列字符串
 */
- (NSString *)sha256String;

/**
 *  计算SHA 512散列结果
 *
 *  终端测试命令：
 *  @code
 *  echo -n "string" | openssl sha -sha512
 *  @endcode
 *
 *  @return 128个字符的SHA 512散列字符串
 */
- (NSString *)sha512String;

#pragma mark - HMAC 散列函数
/**
 *  计算HMAC MD5散列结果
 *
 *  终端测试命令：
 *  @code
 *  echo -n "string" | openssl dgst -md5 -hmac "key"
 *  @endcode
 *
 *  @return 32个字符的HMAC MD5散列字符串
 */
- (NSString *)hmacMD5StringWithKey:(NSString *)key;

/**
 *  计算HMAC SHA1散列结果
 *
 *  终端测试命令：
 *  @code
 *  echo -n "string" | openssl sha -sha1 -hmac "key"
 *  @endcode
 *
 *  @return 40个字符的HMAC SHA1散列字符串
 */
- (NSString *)hmacSHA1StringWithKey:(NSString *)key;

/**
 *  计算HMAC SHA256散列结果
 *
 *  终端测试命令：
 *  @code
 *  echo -n "string" | openssl sha -sha256 -hmac "key"
 *  @endcode
 *
 *  @return 64个字符的HMAC SHA256散列字符串
 */
- (NSString *)hmacSHA256StringWithKey:(NSString *)key;

/**
 *  计算HMAC SHA512散列结果
 *
 *  终端测试命令：
 *  @code
 *  echo -n "string" | openssl sha -sha512 -hmac "key"
 *  @endcode
 *
 *  @return 128个字符的HMAC SHA512散列字符串
 */
- (NSString *)hmacSHA512StringWithKey:(NSString *)key;

#pragma mark - 文件散列函数

/**
 *  计算文件的MD5散列结果
 *
 *  终端测试命令：
 *  @code
 *  md5 file.dat
 *  @endcode
 *
 *  @return 32个字符的MD5散列字符串
 */
- (NSString *)fileMD5Hash;

/**
 *  计算文件的SHA1散列结果
 *
 *  终端测试命令：
 *  @code
 *  openssl sha -sha1 file.dat
 *  @endcode
 *
 *  @return 40个字符的SHA1散列字符串
 */
- (NSString *)fileSHA1Hash;

/**
 *  计算文件的SHA256散列结果
 *
 *  终端测试命令：
 *  @code
 *  openssl sha -sha256 file.dat
 *  @endcode
 *
 *  @return 64个字符的SHA256散列字符串
 */
- (NSString *)fileSHA256Hash;

/**
 *  计算文件的SHA512散列结果
 *
 *  终端测试命令：
 *  @code
 *  openssl sha -sha512 file.dat
 *  @endcode
 *
 *  @return 128个字符的SHA512散列字符串
 */
- (NSString *)fileSHA512Hash;
#import <CommonCrypto/CommonCrypto.h>

@implementation NSString (Hash)

#pragma mark - 散列函数
- (NSString *)md5String {
    const char *str = self.UTF8String;
    uint8_t buffer[CC_MD5_DIGEST_LENGTH];
    
    CC_MD5(str, (CC_LONG)strlen(str), buffer);
    
    return [self stringFromBytes:buffer length:CC_MD5_DIGEST_LENGTH];
}

- (NSString *)sha1String {
    const char *str = self.UTF8String;
    uint8_t buffer[CC_SHA1_DIGEST_LENGTH];
    
    CC_SHA1(str, (CC_LONG)strlen(str), buffer);
    
    return [self stringFromBytes:buffer length:CC_SHA1_DIGEST_LENGTH];
}

- (NSString *)sha256String {
    const char *str = self.UTF8String;
    uint8_t buffer[CC_SHA256_DIGEST_LENGTH];
    
    CC_SHA256(str, (CC_LONG)strlen(str), buffer);
    
    return [self stringFromBytes:buffer length:CC_SHA256_DIGEST_LENGTH];
}

- (NSString *)sha512String {
    const char *str = self.UTF8String;
    uint8_t buffer[CC_SHA512_DIGEST_LENGTH];
    
    CC_SHA512(str, (CC_LONG)strlen(str), buffer);
    
    return [self stringFromBytes:buffer length:CC_SHA512_DIGEST_LENGTH];
}

#pragma mark - HMAC 散列函数
- (NSString *)hmacMD5StringWithKey:(NSString *)key {
    const char *keyData = http://www.mamicode.com/key.UTF8String;"%02x", bytes[i]];
    }
    return [strM copy];
}

//足够长+足够咸+足够复杂
#define salt @"shdcskjfcbskfnslfhs.kfsfvmsf8348390(*^^6R%@@IJEKHRKWKFGKF"
 //(明文+加盐)MD5
    
    NSLog(@"%@",[@"hello" md5String]);
    NSLog(@"%@",[[@"hello" stringByAppendingString:salt] md5String]);
    
    //先加密+乱序
    //cb0fe21bfcc4c2625469d8ec6f3d710d--->12345
    
    NSLog(@"%@",[@"hello" hmacMD5StringWithKey:@"world"]);

　　

//对一个字符串进行base64编码,并且返回
-(NSString *)base64EncodeString:(NSString *)string
{
    //1.先转换为二进制数据
    NSData *data = [string dataUsingEncoding:NSUTF8StringEncoding];
    //2.对二进制数据进行base64编码,完成之后返回字符串
    return [data base64EncodedStringWithOptions:0];
}

//对base64编码之后的字符串解码,并且返回
-(NSString *)base64DecodeString:(NSString *)string
{
    //注意:该字符串是base64编码后的字符串
    //1.转换为二进制数据(完成了解码的过程)
    NSData *data = [[NSData alloc]initWithBase64EncodedString:string options:0];
    //2.把二进制数据在转换为字符串
    return [[NSString alloc]initWithData:data encoding:NSUTF8StringEncoding];
}

　

七、https

<NSURLSessionDataDelegate>
  AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    //更改解析方式
    manager.responseSerializer = [AFHTTPResponseSerializer serializer];
    //设置对证书的处理方式
    manager.securityPolicy.allowInvalidCertificates = YES;
    manager.securityPolicy.validatesDomainName = NO;
    [manager GET:@"https://kyfw.12306.cn/otn" parameters:nil progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        NSLog(@"success---%@",[[NSString alloc]initWithData:responseObject encoding:NSUTF8StringEncoding]);
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"error---%@",error);
    }];
-(void)session
{
    //1.确定url
    NSURL *url = [NSURL URLWithString:@"https://kyfw.12306.cn/otn"];
    //2.创建请求对象
    NSURLRequest *request = [NSURLRequest requestWithURL:url];
    //3.创建session
    NSURLSession *session = [NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration] delegate:self delegateQueue:[NSOperationQueue mainQueue]];
    //4.创建Task
    NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
        //5.解析数据
        NSLog(@"%@---%@",[[NSString alloc]initWithData:data encoding:NSUTF8StringEncoding],error);
    }];
    //6.执行task
    [dataTask resume];
}
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pragma mark NSURLSessionDataDelegate

//如果发送的请求是https的,那么才会调用该方法

//challenge 质询,挑战

//NSURLAuthenticationMethodServerTrust

-(void)URLSession:(NSURLSession *)session didReceiveChallenge:(NSURLAuthenticationChallenge *)challenge completionHandler:(void (^)(NSURLSessionAuthChallengeDisposition, NSURLCredential * _Nullable))completionHandler

{

    if(![challenge.protectionSpace.authenticationMethod isEqualToString:@"NSURLAuthenticationMethodServerTrust"])

    {

        return;

    }

    NSLog(@"%@",challenge.protectionSpace);

    //NSURLSessionAuthChallengeDisposition 如何处理证书

    /*

     NSURLSessionAuthChallengeUseCredential = 0, 使用该证书 安装该证书

     NSURLSessionAuthChallengePerformDefaultHandling = 1, 默认采用的方式,该证书被忽略

     NSURLSessionAuthChallengeCancelAuthenticationChallenge = 2, 取消请求,证书忽略

     NSURLSessionAuthChallengeRejectProtectionSpace = 3,          拒绝

     */

    NSURLCredential *credential = [[NSURLCredential alloc]initWithTrust:challenge.protectionSpace.serverTrust];

    

    //NSURLCredential 授权信息

    completionHandler(NSURLSessionAuthChallengeUseCredential,credential);

}

 

　　

　　

AFN的使用(待整理)


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