function sort(...) a = {...} b = nil for j=1,#a-1 do for i=1,#a-j do if(a[i]>a[i+1]) then b = a[i+1] a[i+1] = a[i] a[i] = b end end end ret
print("**********字符串************") str = "双引号字符串" str2 = '单引号字符串' --获取字符串的长度 print("**********字符串长度************") s = "aBcdEfG字符串" --一个汉字占3个长度 --英文字符