using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;
using?tessnet2;

namespace?TessnetOcrDemo
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????????//Tessnet2?OCR?官方地址：www.pixel-technology.com/freeware/tessnet2/
????????????//本實例語言包只可識別數字數學符號，其他文字牽扯語言問題。要了解全面的可以到官方下載，需要翻墻
????????}

????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{
????????????//沒有選擇圖片時不可以點擊識別按鈕
????????????btnOcr.Enabled?=?false;
????????}

????????private?void?btnOpenImage_Click（object?sender?EventArgs?e）
????????{
????????????try
????????????{
????????????????Bitmap?m_Bitmap;????//定義個Bitmap型變量存儲圖片
????????????????OpenFileDialog?openFileDialog?=?new?OpenFileDialog（）;????//打開圖片
????????????????openFileDialog.Filter?=?“Bitmap文件（*.bmp）|*.bmp|Jpeg文件（*.jpg）|*.jpg|所有合適文件（*.bmp/*.jpg）|*.bmp/*.jpg“;????//設置圖片類型
????????????????openFileDialog.FilterIndex?=?1;????//打開對話框中默認第一個類型（即上面的Bitmap文件（*.bmp）|*.bmp）
????????????????openFileDialog.RestoreDirectory?=?true;????//記錄最后一次打開的文件路徑
????????????????if?（DialogResult.OK?==?openFileDialog.ShowDialog（））//確定打開文件
????????????????{
????????????????????m_Bitmap?=?（Bitmap）Bitmap.FromFile（openFileDialog.FileName?false）;????//通過（Bitmap）將打開的圖片類型轉換
????????????????????imageView.Image?=?m_Bitmap;????//為pictureBox控件加載所打開的圖片
????????????????????AutoScroll?=?true;
????????????????????AutoScrollMinSize?=?new?Size（（int）（m_Bitmap.Width）?（int）m_Bitmap.Height）;
????????????????????btnOcr.Enabled?=?true;????//在pictureBox控件中有圖片時buttonGenerate按鈕可用
????????????????}
????????????}
????????????catch?（Exception?exx）
????????????{
????????????????MessageBox.Show（exx.Message）;
????????????}
????????}

????????private?void?btnOcr_Click（object?sender?EventArgs?e）
????????{
????????????Bitmap?image?=?（Bitmap）imageView.Image;
????????????String?ready_orc_word?=?textReady.Text;
????????????if?（ready_orc_word.Length<=0）
????????????{
????????????????//防止錯誤操作或惡意測試
????????????????ready_orc_word?=?“0123456789.-+=“;
????????????}

????????????Tesseract?ocr?=?new?Tesseract（）;
????????????ocr.SetVariable（“tessedit_char_whitelist“?ready_orc_word）;?//?If?digit?only

????????????ocr.Init（Environment.CurrentDirectory?+?“\\TessnetOcrData“?“eng“?true）;//添加語言包數據引用，最新數據可以到官方下載

????????????try
????????????{
????????????????var?result?=?ocr.DoOCR（image?Rectangle.Empty）;
????????????????string?temp?=?““;
????????????????foreach?（Word?word?in?result）
????????????????{
????????????????????temp?+=?word.Text?+?“\r\n“;
????????????????}
????????????????textResult.Text?=?temp;
????????????}
????????????catch?（Exception?ex）
????????????{
????????????????MessageBox.Show（ex.Message）;
????????????}
????????}

????????
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????6096??2019-10-17?18:09??測試圖片\1.jpg

?????文件??????28470??2019-10-17?14:58??測試圖片\2.bmp

?????文件??????97910??2019-10-17?18:12??測試圖片\3.bmp

?????文件??????97910??2019-10-18?15:02??測試圖片\4.bmp

?????文件????????884??2019-10-18?14:21??TessnetOcrDemo.sln

?????文件????1455104??2009-09-02?09:54??TessnetOcrDemo\bin\Debug\tessnet2_32.dll

?????文件????????392??2007-06-01?00:15??TessnetOcrDemo\bin\Debug\TessnetOcrData\eng.DangAmbigs

?????文件????????672??2007-06-01?00:15??TessnetOcrDemo\bin\Debug\TessnetOcrData\eng.freq-dawg

?????文件?????862544??2007-06-09?07:33??TessnetOcrDemo\bin\Debug\TessnetOcrData\eng.inttemp

?????文件??????39862??2007-06-09?07:33??TessnetOcrDemo\bin\Debug\TessnetOcrData\eng.normproto

?????文件????????590??2007-06-09?07:33??TessnetOcrDemo\bin\Debug\TessnetOcrData\eng.pffmtable

?????文件????????480??2007-06-01?00:15??TessnetOcrDemo\bin\Debug\TessnetOcrData\eng.unicharset

?????文件???????7289??2007-05-11?02:17??TessnetOcrDemo\bin\Debug\TessnetOcrData\eng.user-words

?????文件?????809728??2007-06-01?00:15??TessnetOcrDemo\bin\Debug\TessnetOcrData\eng.word-dawg

?????文件??????11776??2019-10-18?14:53??TessnetOcrDemo\bin\Debug\TessnetOcrDemo.exe

?????文件??????26112??2019-10-18?14:53??TessnetOcrDemo\bin\Debug\TessnetOcrDemo.pdb

?????文件??????11608??2019-10-18?14:56??TessnetOcrDemo\bin\Debug\TessnetOcrDemo.vshost.exe

?????文件????????490??2017-04-11?11:11??TessnetOcrDemo\bin\Debug\TessnetOcrDemo.vshost.exe.manifest

?????文件???????3345??2019-10-18?15:01??TessnetOcrDemo\Form1.cs

?????文件???????6589??2019-10-18?14:59??TessnetOcrDemo\Form1.Designer.cs

?????文件???????5817??2019-10-18?14:59??TessnetOcrDemo\Form1.resx

?????文件???????6230??2019-10-18?14:53??TessnetOcrDemo\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件????????893??2019-10-18?14:56??TessnetOcrDemo\obj\x86\Debug\TessnetOcrDemo.csproj.FileListAbsolute.txt

?????文件????????975??2019-10-18?14:47??TessnetOcrDemo\obj\x86\Debug\TessnetOcrDemo.csproj.GenerateResource.Cache

?????文件???????7013??2019-10-18?14:47??TessnetOcrDemo\obj\x86\Debug\TessnetOcrDemo.csprojResolveAssemblyReference.cache

?????文件??????11776??2019-10-18?14:53??TessnetOcrDemo\obj\x86\Debug\TessnetOcrDemo.exe

?????文件????????180??2019-10-18?14:47??TessnetOcrDemo\obj\x86\Debug\TessnetOcrDemo.Form1.resources

?????文件??????26112??2019-10-18?14:53??TessnetOcrDemo\obj\x86\Debug\TessnetOcrDemo.pdb

?????文件????????180??2019-10-18?14:47??TessnetOcrDemo\obj\x86\Debug\TessnetOcrDemo.Properties.Resources.resources

?????文件????????495??2019-10-18?14:22??TessnetOcrDemo\Program.cs

............此處省略21個文件信息