From 3e592bcbf283b9028c029b4f6dbd714a820061e4 Mon Sep 17 00:00:00 2001
From: suyl <770236076@qq.com>
Date: Mon, 5 Jul 2021 14:31:10 +0800
Subject: [PATCH] qr test

---
 business/jxstore/event/event_tcp.go | 40 +++++++++++++++++++++++++----
 1 file changed, 35 insertions(+), 5 deletions(-)

diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index 4d6f1924d..afbbdab2f 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -11,6 +11,7 @@ import (
 	"git.rosy.net.cn/jx-callback/globals"
 	"io"
 	"net"
+	"regexp"
 	"strconv"
 	"strings"
 	"sync"
@@ -63,8 +64,8 @@ const (
 	hexSignQrCenter = "1d5802"
 	hexSignQrLeft   = "1d5800"
 	hexSignQrRight  = "1d5804"
-	hexSignQr       = "1b5a0001060600" //"1b5a0001061600"
-	hexSignQrEnd    = "000a1b40"       //000a0a0a1b40
+	hexSignQr       = "1b5a000106" //"1b5a000106"  0600 : 后面二维码的字节数
+	hexSignQrEnd    = "000a1b40"   //000a0a0a1b40
 
 	byteSignBR       = "3c62723e"         //换行
 	byteSignCenter   = "3c63656e7465723e" //居中
@@ -98,6 +99,10 @@ var (
 	signMap = map[string]string{
 		byteSignBR: hexSignBROrEXE,
 	}
+
+	regexpQrc = regexp.MustCompile(byteSignQrCenter + "(.*?)" + byteSignQrCenterE)
+	regexpQrl = regexp.MustCompile(byteSignQrLeft + "(.*?)" + byteSignQrLeftE)
+	regexpQrr = regexp.MustCompile(byteSignQrRight + "(.*?)" + byteSignQrRightE)
 )
 
 type PrintInfo struct {
@@ -346,6 +351,10 @@ func buildMsg(printMsg *model.PrintMsg) (data []byte, err error) {
 
 //内容中的标签替换成指令
 func replaceContent(content string) (result string) {
+	var (
+		lenqr    int
+		hexLenqr string
+	)
 	result = content
 	for k, v := range signMap {
 		if strings.Contains(result, k) {
@@ -377,15 +386,36 @@ func replaceContent(content string) (result string) {
 		result = strings.ReplaceAll(result, byteSignWideBigE, hexSignBROrEXE+hexSignNormal)
 	}
 	if strings.Contains(result, byteSignQrCenter) && strings.Contains(result, byteSignQrCenterE) {
-		result = strings.ReplaceAll(result, byteSignQrCenter, hexSignQrCenter+hexSignQr)
+		if qrs := regexpQrc.FindStringSubmatch(result); len(qrs) > 0 {
+			lenqr = len(qrs[1])
+			hexLenqr = fmt.Sprintf("%x", lenqr)
+			if len(hexLenqr) < 2 {
+				hexLenqr = "0" + hexLenqr
+			}
+		}
+		result = strings.ReplaceAll(result, byteSignQrCenter, hexSignQrCenter+hexSignQr+hexLenqr+"00")
 		result = strings.ReplaceAll(result, byteSignQrCenterE, hexSignQrEnd)
 	}
 	if strings.Contains(result, byteSignQrLeft) && strings.Contains(result, byteSignQrLeftE) {
-		result = strings.ReplaceAll(result, byteSignQrLeft, hexSignQrLeft+hexSignQr)
+		if qrs := regexpQrl.FindStringSubmatch(result); len(qrs) > 0 {
+			lenqr = len(qrs[1])
+			hexLenqr = fmt.Sprintf("%x", lenqr)
+			if len(hexLenqr) < 2 {
+				hexLenqr = "0" + hexLenqr
+			}
+		}
+		result = strings.ReplaceAll(result, byteSignQrLeft, hexSignQrLeft+hexSignQr+hexLenqr+"00")
 		result = strings.ReplaceAll(result, byteSignQrLeftE, hexSignQrEnd)
 	}
 	if strings.Contains(result, byteSignQrRight) && strings.Contains(result, byteSignQrRightE) {
-		result = strings.ReplaceAll(result, byteSignQrRight, hexSignQrRight+hexSignQr)
+		if qrs := regexpQrr.FindStringSubmatch(result); len(qrs) > 0 {
+			lenqr = len(qrs[1])
+			hexLenqr = fmt.Sprintf("%x", lenqr)
+			if len(hexLenqr) < 2 {
+				hexLenqr = "0" + hexLenqr
+			}
+		}
+		result = strings.ReplaceAll(result, byteSignQrRight, hexSignQrRight+hexSignQr+hexLenqr+"00")
 		result = strings.ReplaceAll(result, byteSignQrRightE, hexSignQrEnd)
 	}
 	return result