IOS post data, including files to the server

// Upload a file on disk

Nsurl * url = [nsurl urlwithstring: @ "http://fox.xxx.cn/kids_file/js"];

Asiformdatarequest * request = [asiformdatarequest requestwithurl: url];

// Nsfilemanager * filemanager = [nsfilemanager defaultmanager];

Nsarray * paths = nssearchpathfordirectoriesindomains (nsdocumentdirectory, nsuserdomainmask, yes );

Nsstring * documentsdirectory = [[paths objectatindex: 0] stringbyappendingformat: @ "/painting/"];

Nsstring * writabledbpath = [documentsdirectory stringbyappendingpathcomponent: @ "smallerlogo.jpg"];

[Request setpostvalue: @ "Xiao Fox "forkey: @ "name"];

[Request setpostvalue: @ "girl" forkey: @ "sex"];

[Request setfile: writabledbpath withfilename: @ "smallerlogo.jpg" andcontenttype: @ "image/JPEG" forkey: @ "photo"];

[Request setdelegate: Self];

[Request startasynchronous];