非法数字判断加强判断

zhengshouren
1 parent a43410e1
Showing 1 changed file with 18 additions and 4 deletions Show diff stats
src/utils/MathUtil.lua
@@ -42,12 +42,26 @@ function math.randWeight(dataset, field)
 end
  
 function math.illegalNum(num, min, max)
-	local illegal = true
+	if type(num) ~= "number" then
+		-- 非数字类型
+		return true
+	end
+	if num ~= num then
+		-- 非法数字nan
+		return true
+	end
+	if num ~= math.floor(num) then
+		-- 非整数
+		return true
+	end
+	if math.abs(max - min) > 1000 then
+		-- 防止出现数值过大的情况，在线上环境出现效率问题
+		return true
+	end
 	for i = min, max do
 		if num == i then
-			illegal = false
-			break
+			return false
 		end
 	end
-	return illegal
+	return true
 end
 \ No newline at end of file