原生js写ajax结合promise对象
2021-03-13 20:34
标签：end table eject xmlhttp pre highlight ons cell order 原生js写ajax结合promise对象 标签：end table eject xmlhttp pre highlight ons cell order 原文地址：https://www.cnblogs.com/firework-hy/p/12817211.html
const ajaxPromise = param => {
return new Promise((resovle, reject) => {
var xhr = new XMLHttpRequest();
xhr.open(param.type || "get", param.url, true);
xhr.send(param.data || null);
xhr.onreadystatechange = () => {
if(xhr.readyState === 4){
if(xhr.status === 200){
resovle(JSON.parse(xhr.responseText));
} else{
reject(JSON.parse(xhr.responseText));
}
}
}
})
}