test.js
647 Bytes
function updateImage(){
var xhr = new XMLHttpRequest();
xhr.open('POST', 'http://localhost:8089/web/creditGrantingInfo/updateImage', true);
xhr.onreadystatechange = function() {
if (xhr.readyState == 4 && xhr.status == 200) {
alert(xhr.responseText); // 这里是服务器返回的信息
}
};
xhr.upload.onprogress = function(e) {
if (e.lengthComputable) {
var percentComplete = (e.loaded / e.total) * 100;
console.log(percentComplete + '% uploaded');
}
};
var formData = new FormData();
formData.append('imageUrl', 1)
xhr.send(formData);
}