跪求高手~ 文件大小问题~~ 在线等急~~

Question

本帖最后由 fengziba2010 于 2010-03-20 16:06:33 编辑

Answer 1

我想问一句：你怎么知道网易邮箱的上传附件是在客户端判断的啊？？？
这个问题好多人都问过了，还是放弃吧。只能使用服务器端判断，然后在客户端使用DHTML更新。

Answer 2

网易邮箱使用的是flash上传的，
客户端js是做不到的...参考:
http://swfupload.org/

Answer 3

但是 flash 怎么做上传呢？

Answer 4

用flash, 比如 swfupload  http://www.swfupload.org

Answer 5

http://swfupload.org/

Answer 6

var swfu;
var setting = {
upload_url:"ctrler_fileup.asp?action=pic_add",
flash_url:"swfupload.swf",
file_types:"*.jpg;*.jpeg",
file_size_limit:"100 KB", // 设置文件大小
file_post_name:"picture",
file_queue_limit:1,
file_upload_limit:1,
post_params:{id:0,CopyrightInfo:"http://www.chinaasp.com"},
use_query_string:false,
requeue_on_error:false,
prevent_swf_caching:false,
preserve_relative_urls:false,
button_placeholder_id:"up_btn",
button_image_url : "images/SmallSpyGlassWithTransperancy_17x18.png",
button_width:110,
button_height:18,
button_text:"上传/Upload",
button_text_left_padding:20,
button_text_top_padding:0,
button_action:SWFUpload.BUTTON_ACTION.SELECT_FILE,
button_disabled:false,
button_cursor:SWFUpload.CURSOR.HAND,
button_window_mode:SWFUpload.WINDOW_MODE.TRANSPARENT,
file_queue_error_handler:fileQueueError,
upload_success_handler:upload_success,
upload_error_handler:upload_error
}
function fileQueueError(file, errorCode, message){
try {
var errorName = "";
if (errorCode === SWFUpload.errorCode_QUEUE_LIMIT_EXCEEDED) {
errorName = "You have attempted to queue too many files.";
}
if (errorName !== ""){
alert(errorName);
return;
}
switch (errorCode) {
case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
default:
alert(message + " Please re-select a photo meeting the requirements.");
break;
}
} catch (ex) {}
}
swfu = new SWFUpload(setting);