$.ajax({
url: "servlet/IdCardServlet",
type: "post",
data: $('#uploadForm').serialize(),
dataType: 'json',
complete: function(data) {
},
Error: function(error, exception) {
}
});
<form id="uploadForm" method="post" enctype="multipart/form-data">
<input type="file" name="file" id="file" />
<input type="button" value="提交" onclick="test();" />
</form>
在javaWeb端怎么写图片的接收,保存到数据表里