HTML+js：
$(".class").change(function () {
var id = $(this).attr("id");
console.debug("id:" + id);
var formData = new FormData();
var name = $(this).val();
formData.append("img",$(this)[0].files[0]);
formData.append("id",id);
$.ajax({
url: "xxx/pic",type: 'POST',data: formData,// 告诉jQuery不要去处理发送的数据
processData: false,// 告诉jQuery不要去设置Content-Type请求头
contentType: false,beforeSend: function () {
console.log("正在进行，请稍候");
},success: function (responseStr) {
},error: function (responseStr) {
console.log("error");
}
});
});
<tr>
<td>
<span class="putfile">
<@shiro.hasPermission name="xxx" >
<form action="xxxx/pic" enctype="multipart/form-data">
<input name="${ap_index}" type="file" id="${ap.id}"
class="class"
style="height: 22px;width: 30px;">
</form>
<@netCommon.pageBtn url="null" type="info" title="上传图片" icon="photo" />
</@shiro.hasPermission>
</span>
</td>
</tr>