优化周转表导出

AutoTurnOver/Common/CsvFileHelper.cs

+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.IO;
+using System.Linq;
+using System.Net;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace AutoTurnOver.Common
+{
+    /// <summary>
+    /// csv操作类
+    /// </summary>
+    public class CsvFileHelper
+    {
+        /// <summary>
+        /// 将DataTable中数据写入到CSV文件中
+        /// </summary>
+        /// <param name="dt">提供保存数据的DataTable</param>
+        /// <param name="fileName">CSV的文件路径</param>
+        /// <param name="isShowColumnName">是否写出列名</param>
+        public static void SaveCSV(DataTable dt, string fullPath, bool isShowColumnName = true)
+        {
+            FileInfo fi = new FileInfo(fullPath);
+            if (!fi.Directory.Exists)
+            {
+                fi.Directory.Create();
+            }
+            FileStream fs = isShowColumnName ? new FileStream(fullPath, System.IO.FileMode.Create, System.IO.FileAccess.Write) : new FileStream(fullPath, System.IO.FileMode.Append, System.IO.FileAccess.Write);
+            //StreamWriter sw = new StreamWriter(fs, System.Text.Encoding.Default);
+            StreamWriter sw = new StreamWriter(fs, System.Text.Encoding.UTF8);
+            string data = "";
+            //写出列名称
+            if (isShowColumnName)
+            {
+                for (int i = 0; i < dt.Columns.Count; i++)
+                {
+                    data += dt.Columns[i].ColumnName.ToString();
+                    if (i < dt.Columns.Count - 1)
+                    {
+                        data += ",";
+                    }
+                }
+                sw.WriteLine(data);
+            }
+            //写出各行数据
+            for (int i = 0; i < dt.Rows.Count; i++)
+            {
+                data = "";
+                for (int j = 0; j < dt.Columns.Count; j++)
+                {
+                    string str = dt.Rows[i][j].ToString();
+                    if (str.Contains(',') || str.Contains('"')
+                        || str.Contains('\r') || str.Contains('\n')) //含逗号 冒号 换行符的需要放到引号中
+                    {
+                        str = string.Format("\"{0}\"", str);
+                    }
+
+                    data += str;
+                    if (j < dt.Columns.Count - 1)
+                    {
+                        data += ",";
+                    }
+                }
+                sw.WriteLine(data);
+            }
+            sw.Close();
+            fs.Close();
+        }
+
+        /// <summary>
+        /// 将DataTable转成csv字符串
+        /// </summary>
+        /// <param name="table"></param>
+        /// <returns></returns>
+        public static string ToCSV(DataTable table)
+        {
+            var result = new StringBuilder();
+            for (int i = 0; i < table.Columns.Count; i++)
+            {
+                result.Append(table.Columns[i].ColumnName.ToString());
+                result.Append(i == table.Columns.Count - 1 ? "\n" : ",");
+            }
+            foreach (DataRow row in table.Rows)
+            {
+                for (int i = 0; i < table.Columns.Count; i++)
+                {
+                    string str = row[i].ToString();
+                    if (str.Contains(',') || str.Contains('"')
+                        || str.Contains('\r') || str.Contains('\n')) //含逗号 冒号 换行符的需要放到引号中
+                    {
+                        str = string.Format("\"{0}\"", str);
+                    }
+                    result.Append(str);
+                    result.Append(i == table.Columns.Count - 1 ? "\n" : ",");
+                }
+            }
+            return result.ToString();
+        }
+    }
+}

AutoTurnOver/Controllers/SkuAutoTurnController.cs

@@ -186,7 +186,7 @@ namespace AutoTurnOver.Controllers
                     }
 
 
-                    DataTableHelper.SaveCSV(table, fileName,page>1);
+                    CsvFileHelper.SaveCSV(table, fileName,page==1);
                     page++;
                 }