求助

数据为：
　　      北京　上海　广州　成都　深圳
    苹果  672   766  223  540  126
   梨子   325   521  210  340  106
   葡萄   332   256  523  240  526构建的dataset:  String[] rowKeys={"苹果","梨子","葡萄"};
               String[] columnKeys={"北京","上海","广州","成都","深圳"};