摘要：
转载: https://blog.csdn.net/xieamy/article/details/78846732 编码，就是将字符串转化成base64 function b64EncodeUnicode(str) { return btoa(encodeURIComponent(str).repl 阅读全文
摘要：
在写react组件的时候，会有这个警告 Can't perform a React state update on an unmounted component. This is a no-op, but it indicates a memory leak in your application. 阅读全文