SWFUPLOAD的使用（java版）

很多开发的时候会遇到附加上传功能，最近项目中使用的是uploadswf插件，SWF主要是多文件无刷新上传，利用flash完成多文件上传操作下面把java开发中使用简单的介绍一下：

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Jsp页面代码：

先在头部引入要使用到的样式文件和js文件

<linkhref="${ctx}/resource/uploadswf/default.css"rel="stylesheet"type="text/css"/>

??? <scripttype="text/javascript"src="${ctx}/resource/uploadswf/swfupload.js"></script>

??? <scripttype="text/javascript"src="${ctx}/resource/uploadswf/swfupload.queue.js"></script>

??? <scripttype="text/javascript"src="${ctx}/resource/uploadswf/fileprogress.js"></script>

??? <scripttype="text/javascript"src="${ctx}/resource/uploadswf/handlers.js"></script>

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<!—使用的js方法 -->?

??? <scripttype="text/javascript">

?????? var upload1;

?????window.onload = function() {

?????????? upload1 = new SWFUpload({

????????????? // Backend Settings

????????????? upload_url: "${ctx}/suqiu/topical-upload.action",//上传文件的action

????????????? file_post_name: "file",

????????????? post_params: {"contentId" :$("#msgContentId").val()},

??????????????? ?//要使用到的参数，contentId在后台设置set get方法，不传就为空

????????????? // File Upload Settings

????????????? file_size_limit : "10240",? // 100MB大小自己设置

????????????? file_types : "*.*",

????????????? file_types_description :"All Files",//文件类型自己控制

????????????? file_upload_limit :"10",

????????????? file_queue_limit :"10",

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????????????? // Event HandlerSettings (all my handlers are in the Handler.js file)

????????????? 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,

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????????????? // ButtonSettings

????????????? button_image_url :"${ctx}/resource/uploadswf/XPButtonUploadText_61x22.png",

????????????? button_placeholder_id :"spanButtonPlaceholder1",

????????????? button_width: 61,

????????????? button_height: 22,

????????????? button_text:"添加附件",

????????????? button_text_left_padding:5,

????????????? // Flash Settings

????????????? flash_url : "${ctx}/resource/uploadswf/swfupload.swf",

???????????? custom_settings : {

????????????????? progressTarget :"fsUploadProgress1",

????????????????? cancelButtonId :"btnCancel1"

????????????? },

?????????????

????????????? // Debug Settings

????????????? debug: false

?????????? });

?????????? //$("#SWFUpload_0").hide();

?????? }

??????

?????? function deleteAttach(attachId,value){

?????????? if(confirm("确定要删除该附件吗?")){

????????????? $.post("${ctx}/suqiu/topicattach-delete.action?key="

???????????????????? + attachId,function(data) {

???????????????????????? if (data =="no") {

??????????????????????????? ???alert("删除失败");

??????????????????????????? }else{

??????????????????????????????? alert("删除成功");

??????????????????????????????? window.location.reload();

???????????????????????? }

????????????? ? }

? ? ???????? );

?????????? }

?????? }

//说明：插入（上传成功）、删除等方法在handlers.js里面定义，页面里不重写的话使用默认的，重写可以自己定义和传不同的参数

<!—页面代码 -->?

<tr>

????????????? <tdclass="text">&nbsp;附件：</td>

????????????? <tdcolspan='2'>

????????????? <divstyle="padding-left:5px;">

????????????? <spanid="spanButtonPlaceholder1"></span>

????????????? <inputid="btnCancel1"type="button"value="取消上传"onclick="cancelQueue(upload1);"disabled="disabled"style="margin-left:2px;height:22px;font-size: 8pt;"/>

????????????? <br/>

??? ??????????? <div class="fieldset flash"id="fsUploadProgress1">

??? ???????????? ?<s:iterator value="topicalContent. Attachs"status="u">

??? ?????????????? <divclass="progressWrapper" id='FWSWFUpload<s:propertyvalue="#u.index"/>' style="opacity:1;">

???????????????????? <div class="progressContainerblue">

???????????????????? ? <aclass="progressCancel" href="#"style="visibility:visible;"> </a>

???????????????????????? <div class="progressName"><inputtype="button" class="ico_attbig"><s:propertyvalue="attachName" /></div>

???????????????????????? <div class="progressBarStatus">

???????????????????????? <a onclick="deleteAttach('<s:propertyvalue="attachId"/>',this);" href="#this">删除</a></div>

???????????????????????? <div class="progressBarComplete"style=""></div>

????????????????? ??? </div>

?????? ?????????? </div>

?????? ??????????</s:iterator>

????????????? </div>

????????????? </div>

????????????? </td>

?????????? </tr>?

??? 以上循环遍历出来了已经存在的附件，然后可以继续上传和删除。

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后台action代码：

import java.io.File;

import java.text.SimpleDateFormat;

import java.util.Date;

import net.sf.json.JSONObject;

@Action(value="topicalcontent-upload")

??? public String saveAttach(){

??????? TopicContentAttach noticeAttachs=newTopicContentAttach();

??????? TopicalContent obj=null;

??????? if(msgContentId!=null&&StringUtils.isNotBlank(msgContentId)){

?????? ?obj = topicalContentService.getTopicalContent(msgContentId);

??????? }else{

??????? obj= new TopicalContent();

??????? }

?????? noticeAttachs.setTopicalcontent(obj);

?????? String nameflll=upload();

noticeAttachs.setAttachUrl(FilePathSptUtil.UPLOAD_CMS+FilePathSptUtil.URL_SPT+FilePathSptUtil.CMS_ZHUANTI+

????????????? ?FilePathSptUtil.URL_SPT+DateUtil.formatDateToString(new Date(),"yyyy-MM")+FilePathSptUtil.URL_SPT+nameflll);

?????? noticeAttachs.setAttachName(fileFileName);

?????? noticeAttachs.setUploadOriginName(fileFileName);

?????? String fileExtend = fileFileName.substring(fileFileName.lastIndexOf(".")+1,fileFileName.length());

?????? noticeAttachs.setAttachType(fileExtend);

?????? topicContentAttachService.save(noticeAttachs);

?? ?? return renderText( "{????attachId:"" +noticeAttachs.getAttachId()+ "",??attachName:"" +noticeAttachs.getAttachName()+ ""?,?? attachUrl:"" +noticeAttachs.getAttachUrl()+ ""?}" );

??? }

??? ?private Stringupload(){

?????? SimpleDateFormat formater =new SimpleDateFormat("yyyyMMddhhmmssSSSS");

?????? String filename=formater.format(new Date());

?????? String fileExtend = fileFileName.substring(fileFileName.lastIndexOf(".")+1,fileFileName.length());

?????? String root= FilePathSptUtil.UPLOAD_ROOT_PATH+FilePathSptUtil.UPLOAD_CMS+SPT+FilePathSptUtil.CMS_ZHUANTI+SPT+

????????????? ? DateUtil.formatDateToString(new Date(),"yyyy-MM");

?????? String fullName=filename+"."+fileExtend;

?????? String dstPath = root+SPT+fullName;???//全路径

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??? ??? File dirFile = new File(root);

?????? boolean isDir = dirFile.isDirectory();

?????? if(!isDir){//目录不存在则先建目录

?????????? try{

????????????? dirFile.mkdirs();

?????????? }catch (Exception e) {

????????????? File delFile = new File(root+SPT +fullName );

????????????? deleteExitsFile(delFile);

?????????? }

?????? }

?????? FileUtil.copyFile(file.getPath(),dstPath);//上传文件

?????? return fullName;

??? }

??? private?voiddeleteExitsFile(File file) {

?????? if(file.exists() && file.isFile()){

?????????? file.delete();

?????? }

??? }

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其中一些常量变量定义好：

??? private StringfileFileName;

??? private Filefile;

??? private StringcontentId;

??? privatestaticfinal StringPATH =FilePathSptUtil.UPLOAD_ROOT_PATH;

??? privatestaticfinal StringSPT=File.separator;

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// UPLOAD_ROOT_PATH在FilePathSptUtil类中定义，从配置文件读取的路径

??? UPLOAD_ROOT_PATH =prop.getProperty("upload.root.path","/");

public StringgetContentId() {

?????? return contentId;

??? }

publicvoidsetContentId(String contentId) {

?????? this.contentId = contentId;

??? }

public File getFile() {

?????? returnfile;

??? }

publicvoid setFile(File file){

?????? this.file = file;

??? }

??? public String getFileFileName() {

?????? returnfileFileName;

??? }

publicvoidsetFileFileName(String fileFileName) {

?????? this.fileFileName = fileFileName;

??? }

其中在struts2中在非IE内核的浏览器里会提示上传错误报302错误，接下来解决。

Upload_url:”${ctx}/suqiu/topicalcontent-upload.action;jsessionid=<%=request.getSession().getId()%>”;

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附件下载： http://download.csdn.net/detail/shiyuezhong/4552201