nodejs利用ajax实现网页无刷新上传图片
function uploadFile(){ var file = document.getElementById("file")var formData = new FormData();
formData.append('file',file.files);
$.ajax({
url: '/upload',
type: 'POST',
data: formData,
// async: false,
cache: false,
contentType: false,
processData: false,
success: function(data){
if(200 === data.code) {
$('#result').html("上传成功！");
$('#img').attr('src',data.data);
} else {
$('#result').html("上传失败！");
}
console.log('imgUploader upload success');
},
error: function(){
$("#result").html("与服务器通信发生错误");
}
});
}
function postPage() {
var uploada = document.getElementById('upload');
uploada.addEventListener("click",function () {
uploadFile();
},false);
}
window.onload = function () {
postPage();
}
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