<script> ???$(‘.sub_btn‘).click(function(){ ?????????$(this).next().trigger(‘click‘); ???}) ???$(document).on(‘change‘,‘#file‘,function(){ ???????var form = new FormData(); ???????var fileObj = $(this); ???????form.append(‘chat_image‘,fileObj[0].files[0]); ???????$.ajax({ ???????????type ?????????: ??‘post‘, ???????????url ??????????: ??"{:U(‘index/image‘)}", ???????????data ?????????: ??form, ???????????dataType ?????: ??‘json‘, ???????????cache ????????: ??false, ???????????contentType ??: ??false, ???????????processData ??: ??false, ????????????success:function(msg) ???????????{ ?????????????heh = msg.replace(/"/g, ""); ?????????????img = ‘<img src="__ROOT__‘+heh+‘" width="50">‘; ?????????????$(‘#message‘).append(img); ???????????} ???????}); ???}); ?</script>
ajax上传图片
原文地址：http://www.cnblogs.com/wxzxc/p/7572705.html