init the project

rest/sql_builder.go

@@ -0,0 +1,48 @@
+package rest
+
+type OrderPair struct {
+	key   string
+	value string
+}
+
+type WherePair struct {
+	Query string
+	Args  []interface{}
+}
+
+func (this *WherePair) And(where *WherePair) *WherePair {
+	if this.Query == "" {
+		return where
+	} else {
+		return &WherePair{Query: this.Query + " AND " + where.Query, Args: append(this.Args, where.Args...)}
+	}
+
+}
+
+func (this *WherePair) Or(where *WherePair) *WherePair {
+	if this.Query == "" {
+		return where
+	} else {
+		return &WherePair{Query: this.Query + " OR " + where.Query, Args: append(this.Args, where.Args...)}
+	}
+
+}
+
+//根据一个sortMap，获取到order字符串
+func (this *BaseDao) GetSortString(sortArray []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
+}