Merge pull request #500 from xianlubird/master

修改关于REST的一些问题

zh/08.3.md

@@ -89,17 +89,16 @@ Go没有为REST提供直接支持，但是因为RESTful是基于HTTP协议实现
 	}
 
 	func adduser(w http.ResponseWriter, r *http.Request) {
-		params := r.URL.Query()
-		uid := params.Get(":uid")
+		uid := r.FormValue("uid")
 		fmt.Fprint(w, "you are add user %s", uid)
 	}
 
 	func main() {
 		mux := routes.New()
 		mux.Get("/user/:uid", getuser)
-		mux.Post("/user/:uid", modifyuser)
+		mux.Post("/user/", adduser)
 		mux.Del("/user/:uid", deleteuser)
-		mux.Put("/user/", adduser)
+		mux.Put("/user/:uid", modifyuser)
 		http.Handle("/", mux)
 		http.ListenAndServe(":8088", nil)
 	}