string a = "123,123,12,124,125,124,";
string[] result = a.Split(',').Distinct().ToArray();
string b = string.Join(",", result);
//结果b等于:123,12,124,125,
string a = "123,123,12,124,125,124,";
string[] result = a.Split(',').Distinct().ToArray();
string b = string.Join(",", result);
//结果b等于:123,12,124,125,
转载于:https://www.cnblogs.com/zhycyq/p/3471525.html
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