Delphi:一个销售领域的DELPHI对比图表例子，需要用到SQL数据库，测试数据已放置Database文件夹中，测试前请先导入，否则看不到生成的图表。 -Delphi: a sales area of DELPHI comparison chart example, need to use SQL database, the test data have been placed Database folder, first imported before the test, otherw