1. restful风格。Springmvc
Localhost:8080/springmvc-01/user
Method=”post”
Uri:资源的形式传递到后台。
Delete 删除. Localhost:8080/springmvc-01/user/3
Get:查询操作 Localhost:8080/springmvc-01/user/1
Post:添加Localhost:8080/springmvc-01/user
Put:修改 Localhost:8080/springmvc-01/user