首次修改提交...

Signed-off-by: j502647092 <jtb1@163.com>

Config.cs

@@ -0,0 +1,54 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace AliKeywordSearch
+{
+    class Config
+    {
+        protected string fileName;
+        public Config(string fileName)
+        {
+            this.fileName = fileName;
+        }
+
+        //将List转换为TXT文件
+        public void WriteListToTextFile(List<string> list)
+        {
+            //创建一个文件流，用以写入或者创建一个StreamWriter 
+            FileStream fs = new FileStream(fileName, FileMode.OpenOrCreate, FileAccess.Write);
+            StreamWriter sw = new StreamWriter(fs);
+            sw.Flush();
+            // 使用StreamWriter来往文件中写入内容 
+            sw.BaseStream.Seek(0, SeekOrigin.Begin);
+            for (int i = 0; i < list.Count; i++) sw.WriteLine(list[i]);
+            //关闭此文件t 
+            sw.Flush();
+            sw.Close();
+            fs.Close();
+        }
+
+        //读取文本文件转换为List 
+        public List<string> ReadTextFileToList()
+        {
+            FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
+            List<string> list = new List<string>();
+            StreamReader sr = new StreamReader(fs);
+            //使用StreamReader类来读取文件 
+            sr.BaseStream.Seek(0, SeekOrigin.Begin);
+            // 从数据流中读取每一行，直到文件的最后一行
+            string tmp = sr.ReadLine();
+            while (tmp != null)
+            {
+                list.Add(tmp);
+                tmp = sr.ReadLine();
+            }
+            //关闭此StreamReader对象 
+            sr.Close();
+            fs.Close();
+            return list;
+        }
+    }
+}
+