AFNetworking无法解析JSON

摘要: AFNetworking无法解析JSON以前用的好端端的接口，今天访问居然出错了，但是再用浏览器测试，发现可以正常返回数据，甚是奇怪啊。下面是错误信息：获取服务器响应出错 error=Error Domain=com.alamofire.error.serialization.response Code=-1016 "Request failed: unacceptable content-type: text/html" UserInfo=0x7fdfd8729680 {com.alamofire.serialization.response.error.response= { URL: http://172.16.1.31:7001/itom/getwork } { status code: 200, headers { "Cache-Control" = "no-cache"; "Content-Type" = "text/html;charset=UTF-8"; Date = "Mon, 24 Nov 2014 03:13:16 GMT"; "Transfer-Encoding" = Identity; "X-Powered-By" = "Servlet/2.5 JSP/2.1";} }, NSErrorFailingURLKey=http://172.16.1.31:7001/itom/getwork, com.alamofire.serialization.response.error.data=<5b7b2273 74617475 73223a22 73756363 65737322 2c226d73 67223a22 e799bbe9 9986e688 90e58a9f 227d5d>, NSLocalizedDescription=Request failed: unacceptable content-type: text/html}下面是百度出来的答案：I also encountered the same problem. This means that your server is sending

"text/html"

instead of the already supported types. After a little search, my solution was to add

"text/html"

to

acceptableContentTypes

set in

AFURLResponseSerialization

class. Just search for "acceptableContentTypes" and add

@"text/html"

to the set manually. Of course, the ideal solution will be to change the tpe from the server, but for that you will hade to talk with the server team.I hope this helps you. Best regards and less bugs as possible in the code.

op.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"text/html”];

对应到自己的项目里面，我用的是AFNetworking这套网络请求包，需要改的是：

AFURLResponseSerialization.m文件

223行：

self.acceptableContentTypes = [NSSetsetWithObjects:@"application/json", @"text/html",@"text/json",@"text/javascript", nil];加上蓝色部分，其实就是添加一种服务器返回的数据格式。另一种解决方法：AFHTTPRequestOperationManager *mgr = [AFHTTPRequestOperationManager manager];mgr.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"text/plain", nil];加上蓝色部分即可！也就是为AFN允许接受的content-type。