Create 自定义字符串随机.lua

snkeyt · May 22, 2020 · e2700d2 · e2700d2
1 parent e8bfac9
commit e2700d2
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/随机字符串/自定义字符串随机.lua b/随机字符串/自定义字符串随机.lua
@@ -0,0 +1,15 @@
+function randomStr(str, num)
+local ret =''
+for i = 1, num do
+local rchr = math.random(1, string.len(str))
+ret = ret .. string.sub(str, rchr, rchr)
+end
+return ret
+end
+
+--用法
+math.randomseed(tonumber(tostring(os.time()):reverse():sub(1,6))) --设置随机种子
+for var = 1,5 do
+s = randomStr("abcdefghijklmnopqrstuvwxyz", 6) --生成 6 位随机字母
+nLog(s)
+end