Because Cookie is a small piece of information stored in the server browser, so this setting should be initiated by the server, set up is to add in the Response Header: Set-Cookie field, the value is more than key-value pairs are as follows:
// Response Header Set-Cookie: foo=bar; li=lei
note:
1. the Response Header can be added to a plurality of Set-Cookie field;
2. a Set-Cookie field may be added a plurality of Cookie, and "semi-colon" + "space" separated.