im

platformapi/trenditapi/trenditapi.go

@@ -9,10 +9,12 @@ import (
 	"io/ioutil"
 	r "math/rand"
 	"net/http"
+	"regexp"
 	"strconv"
 	"strings"
 	"sync"
 	"time"
+	"unicode"
 )
 
 type API struct {
@@ -155,3 +157,74 @@ func FormatPrintOrderItem(foodName string, quantity int, price float64) string {
 	result += "<BR>"
 	return result
 }
+
+const (
+	ROW_MAX_CHAR_LEN           = 34
+	LAST_ROW_MAX_NAME_CHAR_LEN = 16
+	MAX_NAME_CHAR_LEN          = 16
+	MaxLineLength              = 30
+	LineLength                 = 32
+	NewLineLength              = 28
+)
+
+//不带单价版本
+func FormatPrintOrderItemV2(foodName string, quantity, cnt int) string {
+	var (
+		result  = ""
+		restLen int
+	)
+	quantityStr := strconv.Itoa(quantity)
+	foodNameLen := CalWidth(foodName) + 3
+	if foodNameLen >= MaxLineLength {
+		if n := foodNameLen / LineLength; n > 0 {
+			restLen = foodNameLen % LineLength
+		} else {
+			restLen = foodNameLen - LineLength
+		}
+		result += `<font# bolder=0 height=2 width=1>` + utils.Int2Str(cnt) + `.` + foodName
+		result += StrRepeat(" ", MaxLineLength-restLen) + `x` + quantityStr + `</font#>`
+	} else {
+		result += `<font# bolder=0 height=2 width=1>` + utils.Int2Str(cnt) + `.` + foodName + StrRepeat(" ", MaxLineLength-foodNameLen) + `x` + quantityStr + `</font#>`
+	}
+	result += "<BR>"
+	fmt.Println(result)
+	return result
+}
+
+func FormatPrintOrderItemBigV2(foodName string, quantity, cnt int) string {
+	var (
+		result  = ""
+		restLen int
+	)
+	quantityStr := strconv.Itoa(quantity)
+	foodNameLen := CalWidth(foodName) + 3
+	if foodNameLen >= MaxLineLength {
+		if n := foodNameLen / LineLength; n > 0 {
+			restLen = foodNameLen % LineLength
+		} else {
+			restLen = foodNameLen - LineLength
+		}
+		result += `<font# bolder=1 height=2 width=1>` + utils.Int2Str(cnt) + `.` + foodName
+		result += StrRepeat(" ", MaxLineLength-restLen) + `x` + quantityStr + `</font#>`
+	} else {
+		result += `<font# bolder=1 height=2 width=1>` + utils.Int2Str(cnt) + `.` + foodName + StrRepeat(" ", MaxLineLength-foodNameLen) + `x` + quantityStr + `</font#>`
+	}
+	result += "<BR>"
+	fmt.Println(result)
+	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
+}