数组:string[] s = { "a", "b", "c", "d", "e" };
①Join转换字符串:string str1 = string.Join(",", s);
②格式化字符串:string str2 = String.Format("{0},{1},{2},{3},{4}", s);
http://blog.163.com/hanyu_accp/blog/static/2058220232012316101752354/
数组:string[] s = { "a", "b", "c", "d", "e" };
①Join转换字符串:string str1 = string.Join(",", s);
②格式化字符串:string str2 = String.Format("{0},{1},{2},{3},{4}", s);
http://blog.163.com/hanyu_accp/blog/static/2058220232012316101752354/
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