摘要: import Foundation let str = "123" var message = "tuqiushuang , str" message+="t"//字符追加 if str.isEmpty||200>90 { print("hao") } if str==message&&100>90 阅读全文
posted @ 2016-09-01 17:30 尸者禾火雨相 阅读(130) 评论(0) 推荐(0)