console.log(encodeURI("http://www.baidu.com.cn"));//http://www.baidu.com.cn
console.log(encodeURI("http://www.baidu.com.cn/p 1/"));//http://www.baidu.com.cn/p%201/
console.log(encodeURI(",/?:@&=+$#"));//,/?:@&=+$#
console.log(encodeURIComponent("http://www.baidu.com.cn"));//http%3A%2F%2Fwww.baidu.com.cn
console.log(encodeURIComponent("http://www.baidu.com.cn/p 1/"));//http%3A%2F%2Fwww.baidu.com.cn%2Fp%201%2F
console.log(encodeURIComponent(",/?:@&=+$#"));//%2C%2F%3F%3A%40%26%3D%2B%24%23
var req=encodeURIComponent(`{"query":{"discoverId":${this.curDiscoverId}},"page":{"pageSize":20,"pageNo":${curPage}}}`);
js encodeURI 和 encodeURIComponent 的区别
原文：https://www.cnblogs.com/yuesu/p/9561835.html