var data = {
name:'23123',
age:36,
sex:"man",
ashjk:''
}
function serialize (data) {
var url = 'asdasd?'
for(let i in data){
let value = data[i] != undefined ? data[i] :""
url += `&${i}=${data[i]}`
}
return url ? url.slice(1) :"" //去掉第一个&
}
// function serialize(data) {
// let url = "";
// for (let k in data) {
// let value = data[k] != undefined ? data[k] : '';
// url += `&${k}=${encodeURIComponent(value)}`;
// }
// return url ? url.slice(1) : '';
// }
console.log(serialize(data))