转：常用API接口签名验证参考：
https://www.cnblogs.com/hnsongbiao/p/5478645.html#:~:text=%E5%B8%B8%E7%94%A8API%E6%8E%A5%E5%8F%A3%E7%AD%BE%E5%90%8D%E9%AA%8C%E8%AF%81%E5%8F%82%E8%80%83%201%201%E3%80%81OpenId%E7%AD%BE%E5%90%8D%E5%8F%8A%E9%AA%8C%E8%AF%81%202,2%E3%80%81%E8%AF%B7%E6%B1%82%E5%8F%82%E6%95%B0%E7%AD%BE%E5%90%8D%E5%8F%8A%E9%AA%8C%E8%AF%81%203%203%E3%80%81%E5%AF%B9%E7%94%A8%E6%88%B7%E4%BF%A1%E6%81%AF%E8%BF%9B%E8%A1%8C%E7%AD%BE%E5%90%8D%EF%BC%88%E9%80%9A%E7%94%A8%E6%9D%83%E9%99%90%E7%AE%A1%E7%90%86%E7%B3%BB%E7%BB%9F%E6%9C%80%E6%96%B0%E7%9A%84%E5%AE%89%E5%85%A8%E6%A0%A1%E9%AA%8C%E6%96%B9%E6%B3%95%EF%BC%89%20%EF%BC%8C%E5%AE%9E%E7%8E%B0%E4%BA%86%E9%93%BE%E6%8E%A5%E5%8F%AA%E5%8F%AF%E4%BB%A5%E4%BD%BF%E7%94%A8%E4%B8%80%E6%AC%A1