Javascript Object 转化x-www-form-urlencoded 字符串
tipster2019-1-31
firstName: "Jonas",
lastName: "Gauffin"
});
console.log(prms.toString());
// firstName=Jonas&lastName=Gauffin
console.log(prms.toString());
// firstName=Jonas&lastName=Gauffin
jquery - Convert JavaScript object into URI-encoded string - Stack Overflow