Extjs 与struts2配合文件上传
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<script type="text/javascript">Ext.onReady(function(){Ext.QuickTips.init();var form = new Ext.form.FormPanel({     baseCls : 'x-plain',     labelWidth : 70,     fileUpload : true,     defaultType : 'textfield',     items : [{        xtype : 'textfield',        fieldLabel : '上传文件名',        name : 'userfile',        id : 'userfile',        inputType : 'file', //输入框类型         blankText : 'File can\'t not empty.',        anchor : '100%' // anchor width by percentage       }]    });var win = new Ext.Window({     title : '照片上传',     width : 400,     height : 100,     minWidth : 300,     minHeight : 100,     layout : 'fit',     plain : true,     bodyStyle : 'padding:5px;',     buttonAlign : 'center',     items : form,     buttons : [{      text : '上传',      handler : function() {       if (  form.form.isValid()  ) {        if(Ext.getCmp('userfile').getValue() == ''){         Ext.Msg.alert('错误','请选择你要上传的文件');         return;        }                form.getForm().submit({         url : '/aicpa/aicpaTest_uploadFile.action',         method : 'POST',         success : function(form, action) {          Ext.Msg.alert('Message', action.result.success);          win.close();         },         failure : function() {          Ext.Msg.alert('Error', 'File upload failure.');         }        })       }      }     }, {      text : '关闭',      handler : function() {       win.close();      }     }]    });win.show(); });</script>

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? struts2 中文件处理代码

/** *  */private static final long serialVersionUID = 1L;// 文件private File userfile;// 文件名字private String userfileFileName;// 文件类型private String userfileContentType;/** * 图片文件文件上传 *  * @return * @throws Exception */public String uploadFile() {boolean isSuccess = saveFile(userfile, userfileFileName);if (isSuccess == false) {return "fail";}return "success";}private boolean saveFile(File lecture, String fileName) {// String secondPath = savepath.replace("\\", File.separator// ).replace("/", File.separator );String rootPath = ServletActionContext.getServletContext().getRealPath("/");String saveDir = rootPath + "file" + File.separator + File.separator+ "images";File saveDirFile = new File(saveDir);if (!saveDirFile.exists()) {saveDirFile.mkdirs();}BufferedOutputStream bos = null;BufferedInputStream bis = null;try {bis = new BufferedInputStream(new FileInputStream(lecture));bos = new BufferedOutputStream(new FileOutputStream(new File(saveDir, fileName)));byte[] bs = new byte[1024];int len;while ((len = bis.read(bs, 0, 1024)) > 0) {bos.write(bs, 0, len);}bis.close();bos.close();lecture.delete();} catch (Exception e) {e.printStackTrace();return false;} finally {try {if (bis != null) {bis.close();}if (bos != null) {bos.close();}} catch (IOException e) {e.printStackTrace();return false;}}return true;}public File getUserfile() {return userfile;}public void setUserfile(File userfile) {this.userfile = userfile;}public String getUserfileFileName() {return userfileFileName;}public void setUserfileFileName(String userfileFileName) {this.userfileFileName = userfileFileName;}public String getUserfileContentType() {return userfileContentType;}public void setUserfileContentType(String userfileContentType) {this.userfileContentType = userfileContentType;}

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