标签打印调好了，没问题了

lewaimai_pos_windows/tool/CPosPrinter.cpp

@@ -616,10 +616,13 @@ void CPosPrinter::PrintWaimaiOrderShouyin(CWaimaiOrder& order)
             std::string food_name = (*it).m_food_name;
             std::string food_price = (*it).m_item_price;
             std::string quantity = (*it).m_quantity;
+
             //计算总价
             double item_price = atof(food_price.c_str()) * atof(quantity.c_str());
             std::string food_total_price = CLewaimaiString::DoubleToString(item_price, 2);
+
             food_name = CLewaimaiString::UTF8ToANSI(food_name);
+
             //先输出商品名字
             std::vector<string> m_names;
 
@@ -648,6 +651,7 @@ void CPosPrinter::PrintWaimaiOrderShouyin(CWaimaiOrder& order)
             std::string quantityShow = HandleFoodQuantity(quantity, nGuige);
             std::string priceTotalShow = HandleFoodTotalPrice(food_total_price, nGuige);
             std::string firstLineShow = firstLine + priceShow + quantityShow + priceTotalShow;
+
             POS_TextOut(firstLineShow, false, setting_printer_shangpin_big);
             POS_FeedLine();
 
@@ -849,28 +853,47 @@ void CPosPrinter::PrintWaimaiOrderBiaoqian(CWaimaiOrder& order)
 			std::string order_num_info = "外卖 #" + restaurant_number;
 			BIAOQIAN_TEXTOUT(order_num_info, 16, 16, 1, 1);
 
-			std::string numInfo = curFoodNum + "/" + foodNum;
-			BIAOQIAN_TEXTOUT(numInfo, 260, 16, 1, 1);
+			std::string numInfo = to_string(curFoodNum) + "/" + to_string(foodNum);
+			BIAOQIAN_TEXTOUT(numInfo, 264, 16, 1, 1);
 
-			//每行最多显示12个汉字，这里要计算一下换行
+			//每行最多显示12个汉字，这里要计算一下换行（要先转成ANSI格式）
+			food_name = CLewaimaiString::UTF8ToANSI(food_name);
 			std::vector<std::string> foodNameVector = HandleBiaoqianFoodname(food_name);
 
 			int nRow = 0;
+
+			//考虑是否用大号字体
+			bool is_big_name = false;
+			if (foodNameVector.size() <= 2)
+			{
+				//不超过2行，可以用大的字体
+				is_big_name = true;
+			}
+
 			for (std::vector<std::string>::iterator it = foodNameVector.begin(); it != foodNameVector.end(); it++)
 			{
-				BIAOQIAN_TEXTOUT(CLewaimaiString::UTF8ToANSI(*it), 16, 60 + 40 * nRow, 1, 2);
+				if (is_big_name)
+				{
+					BIAOQIAN_TEXTOUT(*it, 16, 56 + 64 * nRow, 1, 2);
+				}
+				else
+				{
+					BIAOQIAN_TEXTOUT(*it, 16, 56 + 32 * nRow, 1, 1);
+				}
 
 				nRow++;
 			}		
 
 			//打印价格
-			std::wstring priceInfo = L"¥" + CLewaimaiString::UTF8ToUnicode(food_price);
-			BIAOQIAN_TEXTOUT(CLewaimaiString::UnicodeToUTF8(priceInfo), 16, 180, 1, 1);
+			std::string priceInfo = food_price + "元";
+			BIAOQIAN_TEXTOUT(priceInfo, 16, 180, 1, 1);
 
 			//打印订单号
 			BIAOQIAN_TEXTOUT(order_num, 16, 210, 1, 1);
 
 			BIAOQIAN_PRINT();
+
+			BIAOQIAN_CLS();
 		}
 	}
 }
@@ -1471,11 +1494,6 @@ void CPosPrinter::BIAOQIAN_Reset()
 	std::string data = size + gap + referent + speed + density + direction + REFERENCE + PEER + TEAR + KEY + cls;
 
 	WriteData(data);
-
-	//std::string home = "HOME";
-	//home += endTag;
-
-	//WriteData(home);
 }
 
 /*
@@ -1517,6 +1535,16 @@ void CPosPrinter::BIAOQIAN_PRINT()
 	WriteData(print);
 }
 
+void CPosPrinter::BIAOQIAN_CLS()
+{
+	char endTag[3] = { 0x0d, 0x0a, 0x00 };
+
+	std::string cls = "CLS";
+	cls += endTag;
+
+	WriteData(cls);
+}
+
 void CPosPrinter::CalWord(string s, int& nHanzi, int& nZimu)
 {
     nHanzi = 0;

lewaimai_pos_windows/tool/CPosPrinter.h

@@ -75,6 +75,7 @@ private:
 	void BIAOQIAN_FORMFEED();
 	void BIAOQIAN_TEXTOUT(std::string content, int x, int y, int x_multiplication, int y_multiplication);
 	void BIAOQIAN_PRINT();
+	void BIAOQIAN_CLS();
 
 	//字符空格计算的辅助函数
 	void CalWord(string s,  int& nHanzi, int& nZimu);