增加打印大字体的功能

business/partner/partner_printer.go

@@ -19,6 +19,11 @@ const (
 	PrintResultNoPrinter = 1 // 没有配置网络打印机
 )
 
+const (
+	PrinterFontSizeNormal 	= int8(0)//正常大小
+	PrinterFontSizeBig 		= int8(1)//两倍大小
+)
+
 var (
 	PrinterStatusName = map[int]string{
 		PrinterStatusUnknown:        "未知",