1 using System;
2 using System.Collections.Generic;
3 using System.ComponentModel;
4 using System.Data;
5 using System.Drawing;
6 using System.IO;
7 using System.Linq;
8 using System.Text;
9 using System.Threading.Tasks;
10 using System.Windows.Forms;
11
12 namespace one
13 {
14 public partial class Form1 : Form
15 {
16 public Form1()
17 {
18 InitializeComponent();
19 }
20
21 private void btnOpen_Click(object sender, EventArgs e)
22 {
23 using (OpenFileDialog ofd = new OpenFileDialog())
24 {
25 if (ofd.ShowDialog() != System.Windows.Forms.DialogResult.OK)
26 {
27 return;
28 }
29
30 using (FileStream fs = new FileStream(ofd.FileName, FileMode.Open, FileAccess.Read))
31 {
32 using (StreamReader sr = new StreamReader(fs,Encoding.Default))
33 {
34 while (!sr.EndOfStream)
35 {
36 string line = sr.ReadLine();
37 this.txtContent.Text += line;
38 }
39 sr.Close();
40 }
41 fs.Close();
42 fs.Dispose();
43 }
44 }
45 }
46
47 private void btnSave_Click(object sender, EventArgs e)
48 {
49 using (SaveFileDialog sfd = new SaveFileDialog())
50 {
sfd.DefaultExt = "txt";
sfd.Filter = "文本文件(*.txt)|*.txt|所有文件(*.*)|*.*";
51 if (sfd.ShowDialog() != System.Windows.Forms.DialogResult.OK)
52 {
53 return;
54 }
55 using (FileStream fs = new FileStream(sfd.FileName, FileMode.OpenOrCreate, FileAccess.Write))
56 {
57 string txt = txtContent.Text.Replace("\n","\r\n");
58 byte[] data = Encoding.UTF8.GetBytes(txt);
59 fs.Write(data, 0, data.Length);
60 fs.Close();
61 fs.Dispose();
62 }
63 }
64 }
65 }
66 }
