Request failed: internal server error (500)

可能请求的数据格式有问题。
// // 1.管理器

AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];

manager.responseSerializer = [AFHTTPResponseSerializer serializer]; // 解决text/plain的的数据

manager.requestSerializer = [AFHTTPRequestSerializer serializer]; // 二进制请求

//manager.requestSerializer = [AFJSONRequestSerializer serializer]; // json格式

//manager.requestSerializer = [AFPropertyListRequestSerializer serializer]; // plist格式

// 1.1 设置超时时间

[manager.requestSerializer willChangeValueForKey:@"timeoutInterval"];

manager.requestSerializer.timeoutInterval = 10.f;

[manager.requestSerializer didChangeValueForKey:@"timeoutInterval"];



// 2. 转换成jsonString

NSData *JsonData = [NSJSONSerialization dataWithJSONObject:body options:NSJSONWritingPrettyPrinted error:nil];

NSString *stringjsonData = [[NSString alloc] initWithData:JsonData encoding:NSUTF8StringEncoding];

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