一、用php实现:
https://blog.csdn.net/komyluo/article/details/68962601
二、用java实现:
百度:java 实现http接口服务
https://www.cnblogs.com/Nouno/p/5733874.html
https://www.cnblogs.com/lvxh/p/5994188.html
https://www.cnblogs.com/huangwentian/p/6932571.html
https://blog.csdn.net/qq_26676207/article/details/53535469
三、用servlet实现:
http://www.cnblogs.com/xdp-gacl/p/3751277.html
https://www.cnblogs.com/xdp-gacl/p/3760336.html
1.新建一个dynamic web project
2.在src文件夹下创建一个包,com.gyd