im

platformapi/xpyunapi/xputil.go

@@ -10,9 +10,11 @@ import (
 	"golang.org/x/text/transform"
 	"io/ioutil"
 	"net/http"
+	"regexp"
 	"strconv"
 	"strings"
 	"time"
+	"unicode"
 )
 
 /**
@@ -169,3 +171,48 @@ func FormatPrintOrderItem(foodName string, quantity int, price float64) string {
 	result += "<BR>"
 	return result
 }
+
+//正则计算宽度
+func CalWidth(str string) int {
+	hzc := 0
+	for _, v := range str {
+		if unicode.Is(unicode.Han, v) {
+			hzc++
+		}
+	}
+	updateStr := regexp.MustCompile("[\u4e00-\u9fa5]{1,}").ReplaceAllString(str, "")
+	l := len(updateStr)
+	fmt.Println(hzc)
+	ans := 2*hzc + l
+	return ans
+}
+
+const (
+	MaxLineLength = 30
+	LineLength    = 32
+	NewLineLength = 28
+)
+
+func FormatPrintOrderItemV2(foodName string, quantity, index int) string {
+	var (
+		restLen     int
+		quantityStr = strconv.Itoa(quantity)
+		//quantityLen = CalcAsciiLenForPrint(quantityStr)
+		foodNameLen = CalWidth(foodName) + 3
+		result      = ""
+	)
+	if foodNameLen >= MaxLineLength {
+		if n := foodNameLen / LineLength; n > 0 {
+			restLen = foodNameLen % LineLength
+		} else {
+			restLen = foodNameLen - LineLength
+		}
+		result += "<HB>" + utils.Int2Str(index) + `.` + foodName + "</HB>"
+		result += "<HB>" + StrRepeat(" ", MaxLineLength-restLen) + `x` + quantityStr + "</HB>"
+	} else {
+		result += "<HB>" + utils.Int2Str(index) + `.` + foodName + StrRepeat(" ", MaxLineLength-foodNameLen) + `x` + quantityStr + "</HB>"
+	}
+	//result += orderNameEmpty + "x" + quantityStr + StrRepeat(" ", MAX_QUANTITY_CHAR_LEN-quantityLen)
+	result += "<BR>"
+	return result
+}