iOS:afnetworking怎么post请求带参数的xml数据

如题: afnetworking 3.0 怎么post请求带参数的xml数据?急急急

报错如下:
NSLocalizedDescription=Request failed: unacceptable content-type: text/xml

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AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];

manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"application/json", @"text/html",@"text/json",@"text/plain",@"text/javascript", nil];

这样总是行的 

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一楼正确无疑 我给个swift版的吧`let tool = TRENetworkTools()

    tool.responseSerializer.acceptableContentTypes?.insert("text/xml")

`

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按照提示，不接受text/xml类型。可以试试下面的方法：

AFHTTPSessionManager *mgr =[AFHTTPSessionManager manager];
mgr.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"text/xml"];