小编use*_*598的帖子

当我将鼠标移到图像上时,我试图显示一个弹出框.你能帮忙吗？

public shopWidget extends Composite implements ClickListener {
   Image phoneImage = new Image();
   Image serviceImage = new Image();
   FlexTable flTable = new FlexTable();
   flTable.setWidget(0, 0, this.rewardsLabel);
   flTable.setWidget(1, 0, this.serviceImage);
   this.initWidget(flTable);
}