Jquery学习---一键上传

    $(function () {  
                $(".uploadfile").upload({  
                    action: ‘CourseXMLFileUploadHander.ashx‘,  
                    name: ‘xml‘,  
                    params: {  
                        ‘type‘: ‘uploadCourseXMLFile‘,  
                        ‘rand‘: Math.random()  
                    },  
                    onSelect: function (self, element) {  
                        this.autoSubmit = false;  
                        var re = new RegExp("(xml){1}quot;, "i");  
      
                        if (!re.test(this.filename())) {  
                            alert("Only xml file can be uploaded");  
                        }  
                        else {  
                            this.submit();  
                        }  
                    },  
                    onSubmit: function (self, element) {  
                        $(‘.uploadfile‘).hide();  
                        $(‘#ajax_update‘).parent().show();  
                        //alert(‘Uploading file...‘);  
                    },  
                    onComplete: function (data, self, element) {  
                        $(‘#ajax_update‘).parent().hide();  
                        $(‘.uploadfile‘).show();  
                        self.resetInput();  
                        try {  
                            var ret = data;  
                            if (ret.indexOf("exception") >= 0) {  
                                alert(‘Upload file exception: ‘ + eval(data)[0].exception);  
                            }  
                            else {  
                                showSuccess(‘File is successfully Load.‘);  
      
                                uploadSuccess(ret);  
      
                            }  
                        } catch (err) {  
                            alert(data);  
                        }  
                    }  
                });  
            });