c# 拼接字符串根据逗号切割 后转换成集合或数组
版权声明:本文为博主原创文章,遵循 CC 4.0 BY-SA 版权协议,转载请附上原文出处链接和本声明。
本文链接:https://blog.csdn.net/qq_27559331/article/details/80612972
1 int[] selects= Array.ConvertAll<string, int>(IDList.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries), s => s.StringToInt32()); //string分割转int[] 2 List<int> selects = Array.ConvertAll<string, int>(IDList.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries), s => s.StringToInt32() ).Distinct().ToList(); //string分割转list<int>
StringToInt32()是string的扩展方法
1 /// <summary> 2 /// 扩展类 3 /// </summary> 4 public static class Extension 5 { 6 public static int StringToInt32(this string str) 7 { 8 int num = -1; 9 if (int.TryParse(str, out num)) 10 { 11 return num; 12 } 13 else 14 { 15 return -1; 16 } 17 } 18 }
原文链接:https://blog.csdn.net/qq_27559331/article/details/80612972
勿谈他人拿高薪;且看闲时谁在拼;