編譯語(yǔ)言-簡(jiǎn)單的單詞識(shí)別程序

1、實(shí)驗(yàn)一簡(jiǎn)單的單詞識(shí)別程序一、實(shí)驗(yàn)內(nèi)容設(shè)計(jì)一個(gè)識(shí)別單詞的程序，從文本文件中讀取字符串，將字符串中的字符根據(jù)空格逐個(gè) 識(shí)別為單詞，并比較單詞是否為 zero，one，two, three，four，five，six，seven，eight，nine， 若是則輸出該單詞對(duì)應(yīng)的阿拉伯?dāng)?shù)字。要求用java語(yǔ)言、閣形界而方式編程。（可參考實(shí) 驗(yàn)指導(dǎo)書p110至p113）舉例：若文本文件中的字符串為one at are three six 234 eight則輸山為1368二、程序代碼distinguishword.javapackage zlf;import java.io.*;import java.a

2、wt.*;import java.awt.event.*;import javax.swing.*;public class distinguishword extends jappletprivate jfilechooser jfc = new jfilechooser (new file ( n .;private jtextarea jtal = new jtextarea();private jtextarea jta2 = new jtextarea();private jbutton jlbl = new jbutton ("字符串的人j容為：")；priva

3、te jbutton jlb2 = new jbutton ("其中英文對(duì)應(yīng)的阿拉伯?dāng)?shù)字為：")private jlabel filename = new jlabel(n filename ");private jtextfield jtf = new jtextfield (30);private jbutton brower = new jbutton("brower”)；public distinguishword()jpanel pi = new jpanel();pi-setlayout(new borderlayout();pisetbor

4、der(borderfactorycreateemptyborder(5, 5,5,10); pi.add(jlbl,borderlayout.north);pi.add(new jscrollpane(jtal), borderlayout.center); add(pi,borderlayout.center);jpanel p2 = new jpanel();p2.setlayout(new borderlayout();p2.setborder(borderfactory.createemptyborder(5,5,5,10); p2add(jlb2,borderlayout.nort

5、h);p2.add(new jscrollpane(jta2), borderlayout.center); add(p2,borderlayout-east);jpanel p3 = new jpanel();p3.setlayout(new borderlayout(); p3.add (filename,borderlayout.west); p3.add(jtf);p3.add(brower, borderlayout.east); add(p3,borderlayout.south); jtf.settext("c:/i.txt");brower.addactio

6、nlistener(new actionlistener() public void actionperformed(actionevent e)open(););jtf.addkeylistener(new keyadapter()public void keypressed(keyevent e)if (e . getkeychar () =keyevent. vk_enter )/按回午鍵執(zhí)行相!、;/:操作；string file = jtf.gettext ();try bufferedinputstream in = new bufferedlnputstream(new file

7、lnputstream(file);byte b = new bytein.available(); in.read(b,0,blength);jtal.append(new string(b,0,b.length); in.close(); catch (ioexception el) jtal.settext("error opening ");)；jlb2.addactionlistener(new actionlistener() public void actionperformed(actionevent e)string s = jtal.gettext();

8、jta2settext(translatefigure(s););private string translatefigure (string string) string english ="zero","one","two","three","four","five","six","seven","eight", "ninestring s = string;string str = n"st

9、ring t = 11 ,f ; int n = 0;char ch = s.tochararray();for (int i = 0; i < s. length。； i + +) if(chi = '* |lchi = '.* |lchi = *, ')t = s.substring(n, i); n = i+1；for(int j = 0; j < 10; j+) if(tequals(english j)str = str + j;return str;private void open () if(jfc.showopendialog(this)

10、= jfilechooser.approve_option) open(jfc.getselectedfile();private void open (file file) trybufferedlnputstream in = new bufferedlnputstream(new filelnputstream(file);byte b = new bytein.available (); in.read(b,0,b.length);jtal.append(new string(b,0,blength); in.close ();jtf.settext(file.getname();catch(ioexception ex)jtf set text (11 error opening " + file . getname ();1. txtone at are three six 234 eight三、實(shí)驗(yàn)結(jié)果 截圖：小應(yīng)用程序browerfilename已啟動(dòng)小應(yīng)用程序，簡(jiǎn)單說(shuō)明：字符串內(nèi)容框內(nèi)可輸入內(nèi)界，點(diǎn)擊“其中英文對(duì)應(yīng)的阿拉伯?dāng)?shù)字為：”按鈕可得 出結(jié)果，或者在filename后輸入文件路徑與文件名后回車，字符串內(nèi)容框會(huì)顯示文本文件 內(nèi)容