文件上传插件SWFUpload的使用指南

var swfu; 
window.onload = function () {
 var settings_object = {//定义参数配置对象
 upload_url : "http://www.swfupload.org/upload.php",
  flash_url : "http://www.swfupload.org/swfupload.swf",
  file_post_name : "Filedata",
  post_params : {
  "post_param_name_1" : "post_param_value_1",
  "post_param_name_2" : "post_param_value_2",
  "post_param_name_n" : "post_param_value_n"
  },
  use_query_string : false,
  requeue_on_error : false,
  http_success : [201, 202],
  assume_success_timeout : 0,
  file_types : "*.jpg;*.gif",
  file_types_description: "Web Image Files",
  file_size_limit : "1024",
  file_upload_limit : 10,
  file_queue_limit : 2,
  debug : false,
  prevent_swf_caching : false,
  preserve_relative_urls : false,
  button_placeholder_id : "element_id",
  button_image_url : "http://www.swfupload.org/button_sprite.png",
  button_width : 61,
  button_height : 22,
  button_text : "<b>Click</b> <span class="redText">here</span>",
  button_text_style : ".redText { color: #FF0000; }",
  button_text_left_padding : 3,
  button_text_top_padding : 2,
  button_action : SWFUpload.BUTTON_ACTION.SELECT_FILES,
  button_disabled : false,
  button_cursor : SWFUpload.CURSOR.HAND,
  button_window_mode : SWFUpload.WINDOW_MODE.TRANSPARENT,
  swfupload_loaded_handler : swfupload_loaded_function,
  file_dialog_start_handler : file_dialog_start_function,
  file_queued_handler : file_queued_function,
  file_queue_error_handler : file_queue_error_function,
  file_dialog_complete_handler : file_dialog_complete_function,
  upload_start_handler : upload_start_function,
  upload_progress_handler : upload_progress_function,
  upload_error_handler : upload_error_function,
  upload_success_handler : upload_success_function,
  upload_complete_handler : upload_complete_function,
  debug_handler : debug_function,
 }; 
 swfu = new SWFUpload(settings_object);//实例化一个SWFUpload，传入参数配置对象
};
/*定义各种事件监听函数*/
function swfupload_loaded_function(){}
function file_dialog_start_function(){}
...等等