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AllBase/OutExcel.cs

@@ -1,4 +1,6 @@
-using System.IO;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
 using System.Text;
 using System.Windows.Forms;
 
@@ -9,10 +11,10 @@ namespace AllBase
         /// <summary>
         /// 保存数据
         /// </summary>
-        /// <param name="patch"></param>
+        /// <param name="path"></param>
         /// <param name="dt"></param>
         /// <returns></returns>
-        public static bool SaveFile(string patch, DataGridView dt)
+        public static bool SaveFile(string path, DataGridView dt)
         {
             string temp = "";
             for (int i = 0; i < dt.ColumnCount; i++)
@@ -24,9 +26,9 @@ namespace AllBase
                 temp += "\r\n";
             try
             {
-                if (File.Exists(patch))
-                    File.Delete(patch);
-                File.WriteAllText(patch, temp, Encoding.Unicode);
+                if (File.Exists(path))
+                    File.Delete(path);
+                File.WriteAllText(path, temp, Encoding.Unicode);
                 temp = "";
             }
             catch
@@ -45,7 +47,7 @@ namespace AllBase
                 {
                     try
                     {
-                        File.AppendAllText(patch, temp, Encoding.Unicode);
+                        File.AppendAllText(path, temp, Encoding.Unicode);
                         temp = "";
                     }
                     catch
@@ -58,7 +60,7 @@ namespace AllBase
                 return true;
             try
             {
-                File.AppendAllText(patch, temp, Encoding.Unicode);
+                File.AppendAllText(path, temp, Encoding.Unicode);
             }
             catch
             {
@@ -127,5 +129,87 @@ namespace AllBase
             }
             return true;
         }
+
+        public static bool SaveFile(string path, bool isNewFile, bool isShowHideColumn, List<DataGridViewRow> dgvRows, params string[] exceptHeaderText)
+        {
+            if (dgvRows == null || dgvRows.Count == 0) return false;
+            var dt = dgvRows.FirstOrDefault()?.DataGridView;
+            if (dt == null) return false;
+
+            string temp = "";
+            if (isNewFile)
+            {
+                for (int i = 0; i < dt.ColumnCount; i++)
+                {
+                    if ((isShowHideColumn || dt.Columns[i].Visible) && !exceptHeaderText.Contains(dt.Columns[i].HeaderText))
+                        temp += "\"" + dt.Columns[i].HeaderText + "\"\t";
+                }
+                if (!string.IsNullOrEmpty(temp))
+                    temp += "\r\n";
+                try
+                {
+
+                    if (File.Exists(path))
+                        File.Delete(path);
+                    File.WriteAllText(path, temp, Encoding.Unicode);
+                    temp = "";
+                }
+                catch
+                {
+                    return false;
+                }
+            }
+            for (int i = 0; i < dt.RowCount; i++)
+            {
+                if (!dgvRows.Contains(dt.Rows[i]))
+                    continue;
+
+                for (int j = 0; j < dt.ColumnCount; j++)
+                {
+                    if ((isShowHideColumn || dt.Columns[j].Visible) && !exceptHeaderText.Contains(dt.Columns[j].HeaderText))
+                        temp += "\"" + dt.Rows[i].Cells[j].Value + "\"\t";
+                }
+                temp += "\r\n";
+                if (temp.Length > 2000)
+                {
+                    try
+                    {
+                        File.AppendAllText(path, temp, Encoding.Unicode);
+                        temp = "";
+                    }
+                    catch
+                    {
+                        try
+                        {
+                            if (File.Exists(path))
+                                File.Delete(path);
+                        }
+                        catch
+                        {
+                        }
+                        return false;
+                    }
+                }
+            }
+            if (string.IsNullOrEmpty(temp))
+                return true;
+            try
+            {
+                File.AppendAllText(path, temp, Encoding.Unicode);
+            }
+            catch
+            {
+                try
+                {
+                    if (File.Exists(path))
+                        File.Delete(path);
+                }
+                catch
+                {
+                }
+                return false;
+            }
+            return true;
+        }
     }
 }