ajax提交文件到服务器

html

js

var formData = new FormData($( "#uploadForm" )[0]);

$.ajax({
url: '/xxxxx' ,
type: 'POST',
data: formData,
async: false,
cache: false,
contentType: false,
processData: false,

success: function (data) {

alert("上传成功")

},
error: function (data) {
}
});