swfupload初始化

<script type="text/javascript">
//上传开始
var swfus;
var SWF_SELECT_FILE_NAME = "";
var uploadDialogTip ;
function swfuLoad(uploadUrl, buttonText, postName) {
	var settings = {
			flash_url : "../js/SWFUpload/swfupload.swf",
			upload_url: uploadUrl,
			file_post_name : postName,
			file_size_limit : "500 MB",
			file_types : "*.xls;*.xlsx;*.csv",
			file_types_description : "MS_EXCEL2003-2007",
			file_upload_limit : 50,   
			file_queue_limit : 1,  
			custom_settings : {
				progressTarget : "fsUploadProgress",
				cancelButtonId : "btnCancel"
			},
			debug: false,

			// Button settings
			button_image_url: "../images/swf_btn_bg.gif",
			button_width: "76",
			button_height: "26",
			button_placeholder_id: "spanButtonPlaceHolder",
			button_text: "<span class='theFont'>"+buttonText+"</span>",
			button_text_style: ".theFont { font-size: 11;font-weight:bold;text-align:center; color:#323d1f;background-color:transparent; }",
			//button_text_left_padding: 12,
			button_text_top_padding: 4,
			
			// The event handler functions are defined in handlers.js
			file_dialog_start_handler : fileDialogStart,
			file_queued_handler : fileQueued,
			file_queue_error_handler : fileQueueError,
			file_dialog_complete_handler : fileDialogComplete,
			upload_start_handler : uploadStart,
			upload_progress_handler : uploadProgress,
			upload_error_handler : uploadError,
			upload_success_handler : uploadSuccess,
			upload_complete_handler : uploadComplete,
			queue_complete_handler : queueComplete	// Queue plugin event
		};
	swfus = new SWFUpload(settings);
};
function uploadProgress() {
	uploadDialogTip = art.dialog.tips('正在导入数据,请稍等...');
}
function uploadError (file, errorCode, message) {
	if (uploadDialogTip){
		uploadDialogTip.close();
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setError();
		progress.toggleCancel(false);
		switch (errorCode) {
		case SWFUpload.UPLOAD_ERROR.HTTP_ERROR:
			progress.setStatus("Upload Error: " + message);
			art.dialog.alert("文件 " + file.name + " 上传失败. 网络错误."+message);
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_FAILED:
			progress.setStatus("Upload Failed.");
			this.debug("文件 " + file.name + " 尺寸过大. " + file.size + ", 请重新选择."+message);
			break;
		case SWFUpload.UPLOAD_ERROR.IO_ERROR:
			progress.setStatus("Server (IO) Error");
			art.dialog.alert("Error Code: IO Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.SECURITY_ERROR:
			progress.setStatus("Security Error");
			art.dialog.alert("Error Code: Security Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
			progress.setStatus("Upload limit exceeded.");
			art.dialog.alert("文件队列已满,文件 " + file.name + " 上传失败. " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.FILE_VALIDATION_FAILED:
			progress.setStatus("Failed Validation.  Upload skipped.");
			art.dialog.alert("Error Code: File Validation Failed, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
			// If there aren't any files left (they were all cancelled) disable the cancel button
			if (this.getStats().files_queued === 0) {
				document.getElementById(this.customSettings.cancelButtonId).disabled = true;
			}
			progress.setStatus("Cancelled");
			progress.setCancelled();
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
			progress.setStatus("Stopped");
			break;
		default:
			progress.setStatus("Unhandled Error: " + errorCode);
			art.dialog.alert("未知错误,错误代码  " + errorCode + ", 文件 " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		}
	}
}
function uploadSuccess(file, serverData) {
    try {
    	uploadDialogTip.close();
	    var jsonData;
	    eval("jsonData = " + serverData + ";");
		this.cancelUpload();
	    if(jsonData.status){
	    	var resultdata = jsonData.data;
	    	var dialogContent = "<div style='width:" + 1000 * 0.45 + "px'><div style='overflow-y:auto;'>"+jsonData.messages+"</div></div>";
	    	art.dialog({
	    		title: '导入完成',
	    		height:190,
	    		width:350,
		        content: dialogContent,
		        icon: 'succeed',
				ok: function(){
	    			//reSearch();
				},
				cancel: function(){
	    			//reSearch();
				},
				close: function(){
					//reSearch();
				}
	    	});
		} else {
			art.dialog.error(jsonData.messages);
		}
		file.id = "singlefile";	
		var progress = new FileProgress(file, this.customSettings.progress_target);
		progress.setComplete();
		progress.setStatus("Complete.");
		progress.toggleCancel(false);
		} catch (e) {
			//art.dialog.error("刷新页面后重试.");
		}
	}

function fileQueueError(file, errorCode, message) {
	try {
		if (errorCode === SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED) {
			art.dialog.alert("每次同时只能选择 "+swfu.settings.file_queue_limit+" 个文件导入.");
			return;
		}
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setError();
		progress.toggleCancel(false);
		switch (errorCode) {
		case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT: 
			progress.setStatus("File is too big.");
			art.dialog.alert("文件:" + file.name + " 过大，请选择"+swfu.settings.file_size_limit+"以内的文件进行导入.");
			//this.debug("Error Code: File too big, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
			progress.setStatus("Cannot upload Zero Byte files.");
			art.dialog.alert("请选择大于0KB，小于"+swfu.settings.file_size_limit+"的文件进行导入.");
			//this.debug("Error Code: Zero byte file, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
			progress.setStatus("Invalid File Type.");
			art.dialog.alert("请选择类型为 "+swfu.settings.file_types_description+" 的文件进行导入.");
			//this.debug("Error Code: Invalid File Type, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		default:
			if (file !== null) {
				progress.setStatus("Unhandled Error");
			}
			//this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		}
	} catch (ex) {
        this.debug(ex);
        art.dialog.error("导入数据失败，请刷新页面后重试.");
    }
}
function fileDialogComplete(numFilesSelected, numFilesQueued){
	if (numFilesSelected > 0 && numFilesQueued > 0) {
		var dialog = art.dialog.confirm("确认要导入 "+SWF_SELECT_FILE_NAME+" 吗？",function(){
				try {
					swfus.startUpload();
				} catch (ex) {
					dialog.close();
				}
			},function(){
				swfus.cancelUpload();
			});
	}
}
function queueComplete(numFilesUploaded) {
	//var status = document.getElementById("divStatus");
	//status.innerHTML = numFilesUploaded + " file" + (numFilesUploaded === 1 ? "" : "s") + " uploaded.";
	//alert(numFilesUploaded);
}
// 选中文件后确定后执行
function fileQueued(file) {
	SWF_SELECT_FILE_NAME = file.name;
	
}
// 窗口关闭后执行
function fileDialogStart() {
}
// GRIDcomplete的时候加入
/*
 * isLoaded = true;
	$("#t_list").append("<div style='float:left;'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span id='spanButtonPlaceHolder'></span><div style='display:none;' id='fsUploadProgress'></div><input id='btnCancel' type='button' value='Cancel' onclick='swfus.cancelQueue();' disabled='disabled' style='display:none;'/></div>");
	swfuLoad();
 */
 
</script>