#发消息
POST http://localhost:8080/message
Content-Type: application/json; charset=UTF-8

{"sender":1,"receiver": 2,"content": "http://www.baidu.com"}

###
#撤回消息
POST http://localhost:8080/message/1/recall
Content-Type: application/json; charset=UTF-8
mock-user-id: 1


###
#未读消息
GET http://localhost:8080/unreadMessageTotal
Content-Type: application/json; charset=UTF-8
mock-user-id: 2

###
#往来消息消息
GET http://localhost:8080/contact/2/messages
Content-Type: application/json; charset=UTF-8
mock-user-id: 1