这个你自己调整啊,像你现在没对齐就在purchase前面再加个\t ,data前面也加\t,不用你要用控制台做成表格。。也是蛋疼
可以按长度格式化输出,中间用空格进行分隔
printf("%-12s%-12s%-10s\n", "Item", "Unit", "Purchase");
printf(" %-12s%-10s\n", "price", "Date");
printf("%-12d%-12d%02d/%02d%04d", a,b,c,d,e);
printf("%10s%10s\n","Item","Unit" );