C# 程式設計 -- 文字編輯器

專案下載：(1) 只有介面，沒有功能的版本 (英文) — Editor1.zip
專案下載：(2) 只有介面，沒有功能的版本 (中文) — Editor2.zip
專案下載：(3) 完整版 — Editor3.zip
2011 年新版：TextEditor20111206.zip (沒有儲存檔案，只有另存新檔) TextEditor20111207.zip (有儲存檔案)

執行結果

程式碼 (2012 年版, 有儲存檔案)：FormEditor.cs

using System;
using System.ComponentModel;
using System.Windows.Forms;
using System.IO;

namespace WindowsFormsApplication1
{
    public partial class FormEditor : Form
    {
        String filePath = null;

        public FormEditor()
        {
            InitializeComponent();
        }

        public static String fileToText(String filePath)
        {
            StreamReader file = new StreamReader(filePath);
            String text = file.ReadToEnd();
            file.Close();
            return text;
        }

        public static void textToFile(String filePath, String text)
        {
            StreamWriter file = new StreamWriter(filePath);
            file.Write(text);
            file.Close();
        }

        private void openFileToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (openFileDialog.ShowDialog() == DialogResult.OK)
            {
                String text = fileToText(openFileDialog.FileName);
                richTextBox.Text = text;
                filePath = openFileDialog.FileName;
            }
        }

        private void newFileToolStripMenuItem_Click(object sender, EventArgs e)
        {
            richTextBox.Text = "";
            filePath = null;
        }

        private void saveFileToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (filePath == null)
            {
                dialogSaveFile();
            }
            else
            {
                textToFile(filePath, richTextBox.Text);
            }
        }

        private void saveAsToolStripMenuItem_Click(object sender, EventArgs e)
        {
            dialogSaveFile();
        }

        public void dialogSaveFile()
        {
            if (saveFileDialog.ShowDialog() == DialogResult.OK)
            {
                textToFile(saveFileDialog.FileName, richTextBox.Text);
                filePath = saveFileDialog.FileName;
            }
        }

    }
}

page revision: 18, last edited: 06 Nov 2012 04:05

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作者：陳鍾誠

執行結果

程式碼 (2012 年版, 有儲存檔案)：FormEditor.cs

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