帮助文件写的不是很详细（不是作者写的:)），补充一下：在点菜和酒水时如果多于一份可以采用直接修改数量的方式进行，也可以每次加入一份。 可以单个菜打折，...

帮助文件写的不是很详细（不是作者写的:)），补充一下：在点菜和酒水时如果多于一份可以采用直接修改数量的方式进行，也可以每次加入一份。 可以单个菜打折，酒水总额打折，最后结账时还可优惠现金；如果挂账，以后付款时还可进行优惠（防止账不清，比如客户共欠款3050,可能最后给3000,其余50可计入优惠，这样以后在欠款用户中就不会再出现了）。 此外还有网络版的，后台采用SQL SERVER.-help write the document is not very detailed (not the authors write :)), add : in order food and drinks at if more than one can change the number of direct manner, can also join a time. Individual dishes can be discounted, the total discount drinks, the final closure also available cash; If the credit, after payment can also include concessions (to prevent inflation unclear, such as 3,050 customers were in arrears, Perhaps to 3000, and the remaining 50 can be included concessions, such arrears in the future users will not recur.) In addition to the online edition, background using SQL SERVER.