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  • iOS application/json上传文件等

    在和sever后台交互的过程中、有时候、他们需要我们iOS开发者以“application/json”形式上传。

        NSString *accessUrl = [NSString stringWithFormat:@"%@/xxx",@"https://www.xxxxx.com:xxxx"];
        
        NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:accessUrl]];
        
        request.HTTPMethod = @"POST";
        
        //设置请求头
        [request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
        
        //设置请求体
        NSMutableData *body = [NSMutableData data];
        
        [body appendData:[jsonStr dataUsingEncoding:NSUTF8StringEncoding]];
        
        [request setHTTPBody:body];
        
        NSHTTPURLResponse* urlResponse = nil;
        NSError *error = [[NSError alloc] init];
        NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:&urlResponse error:&error];
        
        NSString *result = [[NSString alloc] initWithData:responseData encoding:NSUTF8StringEncoding];
        
        if (result == nil) {
            NSLog(@"json解析失败!");
        }
        
        else
        {
            NSData *jsonData = [result dataUsingEncoding:NSUTF8StringEncoding];
            NSError *err;
            NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:jsonData
                                                                options:NSJSONReadingMutableContainers
                                                                  error:&err];
            if(err) {
                NSLog(@"json解析失败:%@",err);
            }
            success(dic);
        }
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  • 原文地址:https://www.cnblogs.com/jukaiit/p/6669939.html
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