Context has many convenient method for complete your work.
Req()Get *Request object.
Forms()Get query value by query key. See Forms
Cookies()Get Cookies object.
SecureCookies()Get secure Cookies.
ServeFile()Send file to web browser.
ServeJson()Send Json to web browser.
ServeXml()Send Xml to web browser.
Download()Download some file.
SaveToFile()Save uploaded file to disk file.
Params()Get router’s matched params.
Action()If executor is a struct, then return the pointer of struct, or return nil.
Redirect()Write redirect to web browser.
NotModified()Return 304.
Unauthorized()Return unauthorized.
NotFound()Return 404
Abort()Return customized error.