gen ulid

demo/29_uuid.yaml

 fields:
-  - field: field_uuid
-    format: "uuid(-)"
+  - field: f1
+    from: uuid.v2.yaml
+    use: by_format
+    postfix: "\t"
+
+  - field: f2
+    from: ulid.v1.yaml
+    use: ulid{3}

demo/t.yaml

@@ -6,4 +6,10 @@ version: 1.0
 
 fields:
   - field: f1
-    format: "uuid(- )"
+    from: uuid.v2.yaml
+    use: by_format
+    postfix: "\t"
+
+  - field: f2
+    from: ulid.v1.yaml
+    use: ulid{3}
\ No newline at end of file

src/gen/field.go

@@ -22,6 +22,8 @@ func CreateField(field *model.DefField) model.FieldWithValues {
 		CreateListField(field, &fieldWithValue)
 	} else if field.Type == constant.FieldTypeTimestamp {
 		CreateTimestampField(field, &fieldWithValue)
+	} else if field.Type == constant.FieldTypeUlid {
+		CreateUlidField(field, &fieldWithValue)
 	} else if field.Type == constant.FieldTypeArticle {
 		CreateArticleField(field, &fieldWithValue)
 	}

src/gen/timestampVar.go

@@ -5,6 +5,9 @@ import (
 	"github.com/easysoft/zendata/src/model"
 	constant "github.com/easysoft/zendata/src/utils/const"
 	stringUtils "github.com/easysoft/zendata/src/utils/string"
+	"github.com/easysoft/zendata/src/utils/vari"
+	"github.com/oklog/ulid/v2"
+	"math/rand"
 	"strconv"
 	"strings"
 	"time"
@@ -30,6 +33,23 @@ func CreateTimestampField(field *model.DefField, fieldWithValue *model.FieldWith
 	fieldWithValue.Values = values
 }
 
+func CreateUlidField(field *model.DefField, fieldWithValue *model.FieldWithValues) {
+	count := 0
+
+	t := time.Unix(1000000, 0)
+	entropy := ulid.Monotonic(rand.New(rand.NewSource(t.UnixNano())), 0)
+
+	for true {
+		val := ulid.MustNew(ulid.Timestamp(t), entropy).String()
+		fieldWithValue.Values = append(fieldWithValue.Values, val)
+
+		count++
+		if count >= constant.MaxNumb || count > vari.Total {
+			break
+		}
+	}
+}
+
 func convertTmFormat(field *model.DefField) { // to 2006-01-02 15:04:05
 	format := field.Format
 

src/utils/const/const.go

@@ -56,6 +56,7 @@ var (
 
 	FieldTypeList      = "list"
 	FieldTypeTimestamp = "timestamp"
+	FieldTypeUlid      = "ulid"
 	FieldTypeArticle   = "article"
 
 	LeftBrackets  rune = '('

yaml/ulid/v1.yaml

+title: ULID
+desc: 通用唯一词典分类标识符。
+author: wwccss
+version: 1.0
+
+field: ulid
+instances:
+  - instance: ulid
+    note: 标准26位长度，按字母升序排序。
+    fields:
+     - field: part1
+       type: ulid
\ No newline at end of file

yaml/uuid/v2.yaml

+title: UUID
+desc: 通用唯一识别码。
+author: wwccss
+version: 1.0
+
+field: uuid
+instances:
+  - instance: by_format
+    note: 以-为分隔符的随机UUID
+    fields:
+    - field: part1
+      range: 1-9
+      format: "uuid(-)"
\ No newline at end of file