规范目录

util/param.go

@@ -0,0 +1,67 @@
+package util
+
+import (
+	"bytes"
+	"sort"
+	"strconv"
+)
+
+// OrderParam order params
+func OrderParam(source interface{}, bizKey string) (returnStr string) {
+	switch v := source.(type) {
+	case map[string]string:
+		keys := make([]string, 0, len(v))
+		for k := range v {
+			if k == "sign" {
+				continue
+			}
+			keys = append(keys, k)
+		}
+		sort.Strings(keys)
+		var buf bytes.Buffer
+		for _, k := range keys {
+			if v[k] == "" {
+				continue
+			}
+			if buf.Len() > 0 {
+				buf.WriteByte('&')
+			}
+			buf.WriteString(k)
+			buf.WriteByte('=')
+			buf.WriteString(v[k])
+		}
+		buf.WriteString(bizKey)
+		returnStr = buf.String()
+	case map[string]interface{}:
+		keys := make([]string, 0, len(v))
+		for k := range v {
+			if k == "sign" {
+				continue
+			}
+			keys = append(keys, k)
+		}
+		sort.Strings(keys)
+		var buf bytes.Buffer
+		for _, k := range keys {
+			if v[k] == "" {
+				continue
+			}
+			if buf.Len() > 0 {
+				buf.WriteByte('&')
+			}
+			buf.WriteString(k)
+			buf.WriteByte('=')
+			switch vv := v[k].(type) {
+			case string:
+				buf.WriteString(vv)
+			case int:
+				buf.WriteString(strconv.FormatInt(int64(vv), 10))
+			default:
+				panic("params type not supported")
+			}
+		}
+		buf.WriteString(bizKey)
+		returnStr = buf.String()
+	}
+	return
+}