路径的编码和解码

console.log(encodeURI("%"))  //%25
console.log(encodeURIComponent("%")) // %25
console.log(decodeURIComponent("https://www.mirai.site?id%3d1"))  // https://www.mirai.site?id=1
console.log(decodeURI("id%3d1"))    // id%3d1