[v1.6.2] 新增 ArrayPaging 数组分页

utils/app.go

@@ -1,15 +1,16 @@
 package utils
 
 func init() {
-	In.Array = InArray[any]
+	In.Array   = InArray[any]
 	Array.Diff = ArrayDiff[any]
 	Array.Intersect = ArrayIntersect[any]
-	Array.Filter = ArrayFilter
+	Array.Filter  = ArrayFilter
-	Array.Remove = ArrayRemove
+	Array.Remove  = ArrayRemove
-	Array.Unique = ArrayUnique[any]
+	Array.Unique  = ArrayUnique[any]
-	Array.Empty = ArrayEmpty[any]
+	Array.Empty   = ArrayEmpty[any]
 	Array.Reverse = ArrayReverse[any]
 	Array.MapWithField = ArrayMapWithField
+	Array.Paging  = ArrayPaging[any]
 	Map.WithField = MapWithField[map[string]any]
 	Map.WithoutField = MapWithoutField[map[string]any]
 	Map.ToURL  = MapToURL
@@ -31,6 +32,7 @@ var Array struct {
 	Empty        func(array []any) (slice []any)
 	Reverse      func(array []any) (slice []any)
 	MapWithField func(array []map[string]any, field any) (slice []any)
+	Paging		 func(rows []any, page, limit int) (code int, count int, data []any)
 }
 
 var Map struct {

utils/array.go

@@ -97,4 +97,37 @@ func ArrayIntersect[T any](array1, array2 []T) (slice []T) {
 		}
 	}
 	return slice
+}
+
+// ArrayPaging - 分页处理
+func ArrayPaging[T any](rows []T, page, limit int) (code int, count int, data []T) {
+
+	// 获取数据的总长度
+	count = len(rows)
+
+	// 计算总页数
+	if count == 0 || limit <= 0 {
+		code = 0
+	} else {
+		code = (count + limit - 1) / limit
+	}
+
+	// 检查页码是否有效
+	if page < 1 {
+		page = 1
+	}
+	if page > code {
+		// 如果页码超过总页数，返回空数据
+		return code, count, []T{}
+	}
+
+	// 计算当前页数据的起始和结束索引
+	start := (page - 1) * limit
+	end := start + limit
+	if end > count { end = count }
+
+	// 截取当前页的数据
+	data = rows[start:end]
+
+	return code, count, data
 }