summernote 上传图片给服务器

function sendFile(files) {
oMyForm = new FormData();
oMyForm.append("file", files[0]);
oMyForm.append("type","1");
oMyForm.append("from","2");
$.ajax({
data: oMyForm,
type: "POST",
url: "${pageContext.request.contextPath}/fileManager/doUpload",
contentType: false,
cache: false,
processData: false,
success: function(data) {
$(".summernote").summernote('insertImage', url, filename);
}
});
}

<pre name="code" class="javascript">       $(".summernote").summernote({
placeholder:"请输入活动描述",
height: 200,
lang:"zh-CN",
callbacks: {
onImageUpload: function(files) {
sendFile(files);

}
}
})