function saveUser() {
var file = document.getElementById("file").files[0];
//原生ajax实现文件上传
var formData = new FormData();
if (file) {
formData.append("file", file);
console.log(file)
}
//得到xhr对象
var xhr = null;
if (XMLHttpRequest) {
xhr = new XMLHttpRequest();
} else {
xhr = new ActiveXObject("Microsoft.XMLHTTP");
}
xhr.open("post", "http://www-test.mianyazhu.com/supplier/fileSupplier/file/upload/supplier", true);//设置提交方式，url，异步提交
// xhr.setRequestHeader("Content-Type","multipart/form-data");
xhr.onload = function () {
var data = xhr.responseText; //得到返回值
console.log(data);
}
xhr.send(formData);
}
