这个读写怎么会乱码啊

milest

[C#] 纯文本查看 复制代码

 private void del()
        {
            string num = "";
            string str = "";
            bool yesorno;
            for (int i = 0; i < dataGridView2.RowCount; i++)
            {
                yesorno = false;
                toolStripStatusLabel10.Text = (Convert.ToInt32(toolStripStatusLabel10.Text) + 1).ToString();
                num = dataGridView2.Rows[i].Cells[0].Value.ToString();
                num = "^" + num + ".*?$";
                Regex r = new Regex(num, RegexOptions.Multiline);// 定义一个Regex对象实例
                for (int n = 0; n < dataGridView1.RowCount; n++)
                {
                    StreamReader SReader = new StreamReader(dataGridView1.Rows[n].Cells[0].Value + "\\" + dataGridView1.Rows[n].Cells[1].Value, Encoding.GetEncoding("gb2312"));
                    str = SReader.ReadToEnd();
                    SReader.Close();
                    Match m = r.Match(str);
                    if (m.Success)
                    {
                        dataGridView2.Rows[i].Cells[1].Value = "找到了：" + m.Value;
                        yesorno = true;
                        str = str.Replace(m.Value, "");
                        dataGridView2.Rows[i].Cells[1].Value = "删除了：" + m.Value;
                        FileStream fs1 = new FileStream(dataGridView1.Rows[n].Cells[0].Value + "\\" + dataGridView1.Rows[n].Cells[1].Value, FileMode.Create, FileAccess.Write);//创建写入文件 
                        StreamWriter sw = new StreamWriter(fs1);
                        sw.WriteLine(str, Encoding.GetEncoding("gb2312"));//开始写入值
                        str = "";
                        sw.Close();
                        fs1.Close();
                        toolStripStatusLabel12.Text = (Convert.ToInt32(toolStripStatusLabel12.Text) + 1).ToString();
                        break;  //跳出for循环
                    }
                }
                if (yesorno == false)
                {
                    dataGridView2.Rows[i].Cells[1].Value = "未找到：" + dataGridView2.Rows[i].Cells[0].Value.ToString();
                    toolStripStatusLabel14.Text = (Convert.ToInt32(toolStripStatusLabel14.Text) + 1).ToString();
                }
            }
        }

换了gb2312也不行

站长苏飞

你直接打开文件另存为看看是什么格式，应该还是编程的问题。