求GWT带进度条上传、例子源码,该怎么解决

     private ProgressBar progressbar;    private ProgressBar getProgRessBar() {        if (progressbar == null) {            progressbar = new ProgressBar();            progressbar.setStyleAttribute("background-color", "red");            progressbar.setId("cid");            progressbar.getBaseStyle();            Timer timer = new Timer() {                float i = 0 ;                @Override                public void run() {                    progressbar.updateProgress(i/100,i+"%");                    i+=5;                    if(i>105){                        i=0;                    }                }            };            timer.scheduleRepeating(500);         }        return progressbar;    }
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、、、怎么你也是lhf不会名字相同吧！！！