Refine the rest structure.

code/rest/base_dao.go

@@ -0,0 +1,26 @@
+package rest
+
+import "tank/code/tool/builder"
+
+type BaseDao struct {
+	Bean
+}
+
+//根据一个sortMap，获取到order字符串
+func (this *BaseDao) GetSortString(sortArray []builder.OrderPair) string {
+
+	if sortArray == nil || len(sortArray) == 0 {
+		return ""
+	}
+	str := ""
+	for _, pair := range sortArray {
+		if pair.Value == "DESC" || pair.Value == "ASC" {
+			if str != "" {
+				str = str + ","
+			}
+			str = str + " " + pair.Key + " " + pair.Value
+		}
+	}
+
+	return str
+}