将List<int> 转换为用逗号连接为字符串

                List<int> testList = new List<int>() { 100, 0, 1, 2, 3 };


                string str = String.Join(",", testList.ConvertAll<string>(new Converter<int, string>(m => m.ToString())).ToArray());
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http://www.cftea.com/c/2011/09/URST4ZCYMZ5AO0O8.asp

原文地址:https://www.cnblogs.com/love-zf/p/4485238.html