finish address-list 接口

utils/sqlfs/builder.go

@@ -0,0 +1,49 @@
+package sqlfs
+
+import (
+	"reflect"
+	"strings"
+)
+
+var dbTag = "db"
+
+// RawFieldNames converts golang struct field into slice string.
+func RawFieldNames[T any]() []string {
+
+	var out []string
+
+	var a T
+	v := reflect.ValueOf(a)
+	typ := v.Type()
+
+	for i := 0; i < v.NumField(); i++ {
+		// gets us a StructField
+		fi := typ.Field(i)
+		tagv := fi.Tag.Get(dbTag)
+		switch tagv {
+		case "-":
+			continue
+		default:
+			// get tag name with the tag opton, e.g.:
+			// `db:"id"`
+			// `db:"id,type=char,length=16"`
+			// `db:",type=char,length=16"`
+			// `db:"-,type=char,length=16"`
+			if strings.Contains(tagv, ",") {
+				tagv = strings.TrimSpace(strings.Split(tagv, ",")[0])
+			}
+
+			if tagv == "-" {
+				continue
+			}
+
+			if len(tagv) == 0 {
+				tagv = fi.Name
+			}
+
+			out = append(out, tagv)
+		}
+	}
+
+	return out
+}