优化花名册名字切片报错问题 (#263)

plugin/qqwife/qqmapwife.go

@@ -5,7 +5,6 @@ import (
 	"math/rand"
 	"sort"
 	"strconv"
-	"strings"
 	"sync"
 	"time"
 
@@ -181,30 +180,23 @@ func (sql *婚姻登记) 花名册(gid int64) (list [][4]string, number int, err
 	return
 }
 
-func slicename(name string) (resultname string) {
-	if len(name) <= 21 { // 如果长度在宽度之内直接输出
-		resultname = name
-		return
-	}
-	usermane := []rune(name)       // 转utf8形式
-	usermanelen := 0               // 总长度
-	numberlen := 0                 // 字个数
-	var singlestr = " ,.;:'|!()[]" // 单宽度长度的字符集
+func slicename(name string, canvas *gg.Context) (resultname string) {
+	usermane := []rune(name) //将每个字符单独放置
+	widthlen := 0
+	numberlen := 0
 	for i, v := range usermane {
-		if usermanelen > 18 { // 6个汉字或者9个字符
+		width, _ := canvas.MeasureString(string(v)) //获取单个字符的宽度
+		widthlen += int(width)
+		if widthlen > 350 {
+			break //总宽度不能超过350
+		}
 		numberlen = i
-			break
 	}
-		switch {
-		case v/10000 >= 1:
-			usermanelen += 3
-		case strings.Contains(singlestr, string(v)):
-			usermanelen++
-		default:
-			usermanelen += 2
+	if widthlen > 350 {
+		resultname = string(usermane[:numberlen-1]) + "......" // 名字切片
+	} else {
+		resultname = name
 	}
-	}
-	resultname = string(usermane[:numberlen-2]) + "......" // 名字切片
 	return
 }
 
@@ -567,10 +559,10 @@ func init() {
 			}
 			_, h = canvas.MeasureString("焯")
 			for i, info := range list {
-				canvas.DrawString(slicename(info[0]), 0, float64(260+50*i)-h)
+				canvas.DrawString(slicename(info[0], canvas), 0, float64(260+50*i)-h)
 				canvas.DrawString("("+info[1]+")", 350, float64(260+50*i)-h)
 				canvas.DrawString("←→", 700, float64(260+50*i)-h)
-				canvas.DrawString(slicename(info[2]), 800, float64(260+50*i)-h)
+				canvas.DrawString(slicename(info[2], canvas), 800, float64(260+50*i)-h)
 				canvas.DrawString("("+info[3]+")", 1150, float64(260+50*i)-h)
 			}
 			data, cl := writer.ToBytes(canvas.Image())