新增引出execel文件方法：DBUtility.Gy_BaseFun.DataGridViewToExcel2(grdMain); 更改 配套表查询...

black-goat-me

2023-05-17 4d0848891dcd5bbaed884eddc3706b4ad31d4c6e

 DBUtility/»ù´¡×ÊÁÏ/Gy_BaseFun.cs

@@ -814,6 +814,76 @@
            }
        }

        //引出表格数据
        public static void DataGridViewToExcel2(DataGridView grdMain)
        {
            SaveFileDialog saveFileDialog = new SaveFileDialog();
            saveFileDialog.Filter = "Execl文件(*.xls)|*.xls";
            saveFileDialog.FilterIndex = 0;
            saveFileDialog.RestoreDirectory = true;
            saveFileDialog.CreatePrompt = true;
            saveFileDialog.Title = "数据视图导出EXCEL文件";
            saveFileDialog.ShowDialog();
            if (saveFileDialog.FileName == "")
            {
                return;
            }
            Stream myStream;
            myStream = saveFileDialog.OpenFile();
            StreamWriter sw = new StreamWriter(myStream, System.Text.Encoding.GetEncoding("gb2312"));
            string str = "";
            DateTime start = DateTime.Now;
            try
            {
                //写标题
                for (int i = 0; i < grdMain.ColumnCount; i++)
                {
                    if (i > 0)
                    {
                        str += "\t";
                    }
                    str += grdMain.Columns[i].HeaderText;
                }
                sw.WriteLine(str);

                //写内容
                for (int j = 0; j < grdMain.Rows.Count; j++)
                {
                    string tempStr = "";
                    for (int k = 0; k < grdMain.Columns.Count; k++)
                    {
                        if (k > 0)
                        {
                            tempStr += "\t";
                        }
                        if (grdMain.Rows[j].Cells[k].Value == null)
                        {
                            tempStr += string.Empty;
                        }
                        else
                        {
                            tempStr += grdMain.Rows[j].Cells[k].Value.ToString();
                        }
                    }
                    sw.WriteLine(tempStr);
                }
                sw.Close();
                myStream.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            finally
            {
                sw.Close();
                myStream.Close();
            }
            MessageBox.Show("将此工作表导出为excel共耗时：" + DateTime.Now.Subtract(start).TotalMilliseconds.ToString() + "毫秒");
        }




        public static void DataToExcel_back(string sText, DataGridView grdMain)
        {