摘要: string str = "1,2,3,4,5,6,7"; string[] strArray = str.Split(','); //字符串转数组 str = string.Empty; str = string.Join(",", strArray);//数组转成字符串 C#判断字符串是否存在某 阅读全文
posted @ 2018-05-07 16:37 核电站 阅读(19847) 评论(0) 推荐(0) 编辑