网关指南： https://help.aliyun.com/document_detail/29487.html?spm=5176.doc48835.6.550.23Oqbl
网关控制台： https://apigateway.console.aliyun.com/?spm=5176.doc42740.2.2.Q4z5ws#/cn-hangzhou/apis/list
一、前端签名
文档说明：
https://help.aliyun.com/document_detail/29481.html?spm=5176.doc44396.6.575.yrP7xB
https://help.aliyun.com/document_detail/29475.html?spm=5176.doc29473.2.3.h7G3P3
代码下载：
https://github.com/aliyun/api-gateway-demo-sign-java?spm=5176.doc29475.2.1.FzEMD6
https://github.com/aliyun/api-gateway-demo-sign-java.git
二、后端签名
文档说明：
https://help.aliyun.com/document_detail/29481.html?spm=5176.doc29485.6.575.jUEWRL
https://help.aliyun.com/document_detail/29485.html?spm=5176.doc29481.2.1.aQyka5
代码下载：
https://github.com/aliyun/api-gateway-demo-sign-backend-java?spm=5176.doc29485.2.2.PQT7Tc
https://github.com/aliyun/api-gateway-demo-sign-backend-java.git
三、前端签名算法
1、httpDelete
2、httpGet
3、postForm
4、postString
5、postBytes
6、putString
7、putBytes
四、后端签名算法
