本来打算2020都不写博客的，因为太忙了，一直在项目。不是在项目的策划中，就是在项目的实现中；不是在项目的实现中，就是在项目修复bug中；不是在项目的修复bug中，就是在项目的新增需求中; 项目，项目还是项目，循环往复无穷尽也。坑也罢，路也罢，任他东西南北龙卷风，博客还是要不断进行中... 哈哈哈
sunmi打印小票测试代码：
public void printerTest(){SunmiPrintHelper.getInstance().print3Line();SunmiPrintHelper.getInstance().setAlign(1);SunmiPrintHelper.getInstance().printText("积分兑换小票\n", 36, true, false);SunmiPrintHelper.getInstance().printNumLine(1);SunmiPrintHelper.getInstance().setAlign(0);SunmiPrintHelper.getInstance().printText("************************\n", 32, true, false);SunmiPrintHelper.getInstance().printText("姓名：张飒\n", 32, true, false);SunmiPrintHelper.getInstance().printText("地址：大陆村123号\n", 32, true, false);SunmiPrintHelper.getInstance().printText("电话：123****5678\n", 32, true, false);SunmiPrintHelper.getInstance().printText("日期：2020年8月19日\n", 32, true, false);String txts[] = new String[]{"商品", "数量", "积分"};int width[] = new int[]{1, 1, 1};int align[] = new int[]{0, 1, 2};SunmiPrintHelper.getInstance().printNumLine(1);SunmiPrintHelper.getInstance().printText("************************\n", 32, true, false);SunmiPrintHelper.getInstance().printTable(txts, width, align);SunmiPrintHelper.getInstance().printText("************************\n", 32, true, false);txts[0] = "酱油";txts[1] = "1";txts[2] = "350";SunmiPrintHelper.getInstance().printTable(txts, width, align);txts[0] = "拖把";txts[1] = "1";txts[2] = "500";SunmiPrintHelper.getInstance().printTable(txts, width, align);txts[0] = "扫把";txts[1] = "1";txts[2] = "500";SunmiPrintHelper.getInstance().printTable(txts, width, align);SunmiPrintHelper.getInstance().printText("************************\n", 32, true, false);txts[0] = "合计";txts[1] = "";txts[2] = "1350";SunmiPrintHelper.getInstance().printTable(txts, width, align);txts[0] = "剩余";txts[1] = "";txts[2] = "150";SunmiPrintHelper.getInstance().printTable(txts, width, align);SunmiPrintHelper.getInstance().printNumLine(1);SunmiPrintHelper.getInstance().setAlign(1);SunmiPrintHelper.getInstance().printText("谢谢惠顾！\n", 30, true, false);SunmiPrintHelper.getInstance().setAlign(0);SunmiPrintHelper.getInstance().printNumLine(6);SunmiPrintHelper.getInstance().cutpaper();}