处理参数类型不同，拼接字符串的问题

util.go

@@ -8,6 +8,7 @@ import (
 	"math/rand"
 	"sort"
 	"strconv"
+	"strings"
 	"time"
 )
 
@@ -61,13 +62,10 @@ func sortSignParams(secretKey string, body BodyMap) string {
 	for _, k := range keyList {
 		buffer.WriteString(k)
 		buffer.WriteString("=")
-		value, ok := body[k].(int)
-		if ok {
-			value := strconv.Itoa(value)
-			buffer.WriteString(value)
-		} else {
-			buffer.WriteString(body[k].(string))
-		}
+
+		valueStr := convert2String(body[k])
+		buffer.WriteString(valueStr)
+
 		buffer.WriteString("&")
 	}
 	buffer.WriteString("key=")
@@ -75,6 +73,24 @@ func sortSignParams(secretKey string, body BodyMap) string {
 	return buffer.String()
 }
 
+func convert2String(value interface{}) (valueStr string) {
+	switch v := value.(type) {
+	case int:
+		valueStr = Int2String(v)
+	case int64:
+		valueStr = Int642String(v)
+	case float64:
+		valueStr = Float64ToString(v)
+	case float32:
+		valueStr = Float32ToString(v)
+	case string:
+		valueStr = v
+	default:
+		valueStr = null
+	}
+	return
+}
+
 //从微信提供的接口获取：SandboxSignkey
 func getSanBoxSignKey(mchId, nonceStr, sign string) (key string, err error) {
 	reqs := make(BodyMap)
@@ -101,3 +117,88 @@ func getSanBoxSignKey(mchId, nonceStr, sign string) (key string, err error) {
 	}
 	return keyResponse.SandboxSignkey, nil
 }
+
+//解析时间
+func ParseDateTime(timeStr string) (datetime time.Time) {
+	datetime, _ = time.ParseInLocation(TimeLayout, timeStr, time.Local)
+	return
+}
+
+//格式化Datetime
+func FormatDateTime(timeStr string) (formatTime string) {
+	//2019-01-04T15:40:00Z
+	//2019-01-18 20:51:30+08:00
+	if timeStr == "" {
+		return ""
+	}
+	replace := strings.Replace(timeStr, "T", " ", 1)
+	formatTime = replace[:19]
+	return
+}
+
+//格式化
+func FormatDate(dateStr string) (formatDate string) {
+	//2020-12-30T00:00:00+08:00
+	if dateStr == "" {
+		return ""
+	}
+	split := strings.Split(dateStr, "T")
+	formatDate = split[0]
+	return
+}
+
+//字符串转Float
+func String2Float(floatStr string) (floatNum float64) {
+	floatNum, _ = strconv.ParseFloat(floatStr, 64)
+	return
+}
+
+//Float64转字符串
+//    floatNum：float64数字
+//    prec：精度位数（不传则默认float数字精度）
+func Float64ToString(floatNum float64, prec ...int) (floatStr string) {
+	if len(prec) > 0 {
+		floatStr = strconv.FormatFloat(floatNum, 'f', prec[0], 64)
+		return
+	}
+	floatStr = strconv.FormatFloat(floatNum, 'f', -1, 64)
+	return
+}
+
+//Float32转字符串
+//    floatNum：float32数字
+//    prec：精度位数（不传则默认float数字精度）
+func Float32ToString(floatNum float32, prec ...int) (floatStr string) {
+	if len(prec) > 0 {
+		floatStr = strconv.FormatFloat(float64(floatNum), 'f', prec[0], 32)
+		return
+	}
+	floatStr = strconv.FormatFloat(float64(floatNum), 'f', -1, 32)
+	return
+}
+
+//字符串转Int
+func String2Int(intStr string) (intNum int) {
+	intNum, _ = strconv.Atoi(intStr)
+	return
+}
+
+//字符串转Int64
+func String2Int64(intStr string) (int64Num int64) {
+	intNum, _ := strconv.Atoi(intStr)
+	int64Num = int64(intNum)
+	return
+}
+
+//Int转字符串
+func Int2String(intNum int) (intStr string) {
+	intStr = strconv.Itoa(intNum)
+	return
+}
+
+//Int64转字符串
+func Int642String(intNum int64) (int64Str string) {
+	//10, 代表10进制
+	int64Str = strconv.FormatInt(intNum, 10)
+	return
+}