s.Substring(0,s.Length - 1)这里的s.Length - 1有什么作用string s = comboBox2.Text + '/' + listView3.SelectedItems[0].Text;string m = s.Substring(0,s.Length - 1);comboBox2.Text = m;listView3.Items.Clear();fangfa(@"ftp://hhhh@219.220.112.130"+m)
来源：学生作业帮助网 编辑：作业帮 时间：2024/08/17 05:03:51
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