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• 使用AFNetworking进行post请求

 AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
    [manager POST:@"[http://www.xiushuang.com/client/index.php?s=/Portal/p_banner/appinfo/comxiushuanglol_339_xs_android/index.json](http://www.xiushuang.com/client/index.php?s=/Portal/p_banner/appinfo/comxiushuanglol_339_xs_android/index.json)" parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject){
        NSLog(@"JSON : %@",responseObject);
    }failure:^(AFHTTPRequestOperation *operation, NSError *error){
        NSLog(@"Error : %@",error);
    }];

使用AFNetworking3.0时遇到以下问题 :

Error : Error Domain=com.alamofire.error.serialization.response Code=-1016 "Request failed: unacceptable content-type: text/plain" UserInfo=0x8f85590 {com.alamofire.serialization.response.error.response=<NSHTTPURLResponse: 0x8f15f30> { URL: [http://www.xiushuang.com/client/index.php?s=/Portal/p_banner/appinfo/comxiushuanglol_339_xs_android/index.json](http://www.xiushuang.com/client/index.php?s=/Portal/p_banner/appinfo/comxiushuanglol_339_xs_android/index.json) } { status code: 200, headers {
    "Cache-Control" = "maxage=3600";
    Connection = "keep-alive";
    "Content-Encoding" = gzip;
    "Content-Type" = "text/plain; charset=utf-8";
    Date = "Tue, 07 Oct 2014 06:29:12 GMT";
    Expires = "Tue, 07 Oct 2014 07:29:12 GMT";
    "Last-Modified" = "Tue, 07 Oct 2014 06:26:13 GMT";
    Server = "nginx/1.2.9";
    "Transfer-Encoding" = Identity;
    Vary = "Accept-Encoding";
} }

此时需要修改AFNetworking可接收的Content-Type，前往AFNetworking源代码目录找到AFURLResponseSerialization.m文件将里面的代码：

self.acceptableContentTypes =[NSSetsetWithObjects:@"application/json",@"text/json",@"text/javascript",nil];

修改为：

self.acceptableContentTypes =[NSSetsetWithObjects:@"application/json",@"text/json",@"text/javascript",@"text/html",nil];

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