import?java.net.*;
import?java.io.*;
import?java.awt.*;
import?java.awt.event.*;
import?java.applet.*;
public?class?DatabaseClient?extends?applet?implements?RunnableActionListener{
???Delete?shanchu;
???Tianjia?tianjia;
???Panel?p;
???Panel?后臺服務;
?	?CardLayout?card;
???Panel?pcenter;
???String?formName;??????//數據庫中的表名
???TextField?輸入查詢內容;?????????????????????????????
???Choice?choice;?????????????????????????????????
???Checkbox??完全一致前方一致后方一致中間包含;??????
???CheckboxGroup?group=null;
???Button?查詢添加刪除chaxun;
???TextArea?顯示查詢結果;
???Label?提示條;
???Socket?socket=null;
???DataInputStream?in=null;
???DataOutputStream?out=null;
???Thread?thread;
???boolean?ok=false;
???int?N=0;????????????????//字段個數?
???String?[]ziduanName;????//存放字段名字的數組
???String?[]ziduanExplain;?//存放字段解釋的數組
???public?void?init（）{
???		chaxun=new?Button（“查詢“）;
???		p=new?Panel（）;
???		shanchu=new?Delete（）;
	???	shanchu.shanchu.addActionListener（this）;
	???	tianjia=new?Tianjia（）;
	???	tianjia.tianjia.addActionListener（this）;
???		card=new?CardLayout（）;
	???	pcenter=new?Panel（）;
	???	pcenter.setLayout（card）;
??????

??????thread=new?Thread（this）;
??????輸入查詢內容=new?TextField（19）;
??????查詢=new?Button（“查詢“）;
??????添加=new?Button（“添加“）;
??????//修改=new?Button（“修改“）;
??????刪除=new?Button（“刪除“）;
??????提示條=new?Label（“正在連接到服務器請稍等...“Label.CENTER）;
??????choice=new?Choice（）;
??????formName=getParameter（“0“）;?//從index.html得到“0“的值
??????String?number=getParameter（“ziduanAmount“）;
??????N=Integer.parseInt（number）;
??????ziduanName=new?String[N];
??????ziduanExplain=new?String[N];
??????for（int?i=1k=0;i<=N;i++k++）{
????????String?str=getParameter（““+i）;?//從index.html得到字段名稱及解釋
????????ziduanName[k]=str.substring（0str.indexOf（“:“））.trim（）;
????????ziduanExplain[k]=str.substring（str.indexOf（“:“）+1）.trim（）;
??????}
??????for（int?k=0;k????????choice.add（ziduanExplain[k]）;
??????}
??????choice.select（0）;
??????group=new?CheckboxGroup（）;
??????完全一致=new?Checkbox（“完全一致“truegroup）;
??????前方一致=new?Checkbox（“前方一致“falsegroup）;
??????后方一致=new?Checkbox（“后方一致“falsegroup）;
??????中間包含=new?Checkbox（“中間包含“falsegroup）;
??????顯示查詢結果=new?TextArea（843）;
??????提示條.setForeground（Color.red）;
??????提示條.setFont（new?Font（“TimesRoman“Font.BOLD24））;
??????Panel?box1=new?Panel（）;?????????????????
??????box1.add（new?Label（“輸入查詢內容:“Label.CENTER））;
??????box1.add（輸入查詢內容）;?
??????box1.add（choice）;?
??????box1.add（chaxun）;
??????Panel?box2=new?Panel（）;????????????????
??????box2.add（new?Label（“選擇查詢條件:“Label.CENTER））;
??????box2.add（完全一致）;
??????box2.add（前方一致）;
??????box2.add（后方一致）;
??????box2.add（中間包含）;?
??????Panel?box3=new?Panel（）;?????????????
??????box3.add（new?Label（“查詢結果:“Label.CENTER））;
??????box3.add（顯示查詢結果）;
??????Panel?box4=new?Panel（）;????
??????box4.add（查詢）;
??????box4.add（添加）;
??????//box4.add（修改）;
??????box4.add（刪除）;
??????add（提示條）;
??????p.setLayout（new?BorderLayout（））;
??????p.add（box1

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

?????文件?????????30??2009-07-16?16:24??chaper12\applet.bat

?????文件?????147456??2009-08-19?22:58??chaper12\book.mdb

?????文件????3145728??2009-08-20?21:55??chaper12\book.mdf

?????文件????1048576??2009-08-20?21:55??chaper12\book_log.ldf

?????文件???????7581??2009-08-19?22:02??chaper12\DatabaseClient.class

?????文件???????6973??2009-07-20?11:30??chaper12\DatabaseClient.java

?????文件???????1707??2009-08-19?22:02??chaper12\DatabaseServer.class

?????文件???????1205??2009-08-14?16:27??chaper12\DatabaseServer.java

?????文件?????????29??2009-07-16?15:20??chaper12\del.bat

?????文件????????698??2009-08-19?22:02??chaper12\Delete.class

?????文件????????309??2009-07-19?13:27??chaper12\Delete.java

?????文件????????404??2008-06-26?13:46??chaper12\index.html

?????文件??????13422??2009-07-19?14:55??chaper12\jxlg.jpg

?????文件???????1366??2009-08-19?22:02??chaper12\Login$1.class

?????文件????????481??2009-08-19?22:02??chaper12\Login$2.class

?????文件????????942??2009-08-19?22:02??chaper12\Login$Imagecanvas.class

?????文件?????????17??2009-07-19?21:28??chaper12\Login.bat

?????文件???????2953??2009-08-19?22:02??chaper12\Login.class

?????文件???????3377??2009-07-20?15:24??chaper12\Login.java

?????文件?????????53??2009-08-14?16:19??chaper12\Server.bat

?????文件???????3765??2009-08-19?22:02??chaper12\ServerThread.class

?????文件???????3624??2009-08-14?16:00??chaper12\ServerThread.java

?????文件????????232??2009-07-19?14:52??chaper12\Test_Login\.classpath

?????文件????????386??2009-07-19?14:52??chaper12\Test_Login\.project

?????文件???????1100??2009-07-19?15:12??chaper12\Test_Login\bin\Test_Login$1.class

?????文件????????632??2009-07-19?15:12??chaper12\Test_Login\bin\Test_Login$2.class

?????文件???????1112??2009-07-19?15:12??chaper12\Test_Login\bin\Test_Login$Imagecanvas.class

?????文件???????3219??2009-07-19?15:12??chaper12\Test_Login\bin\Test_Login.class

?????文件??????13422??2009-07-19?14:55??chaper12\Test_Login\jxlg.jpg

?????文件???????3187??2009-07-19?15:12??chaper12\Test_Login\src\Test_Login.java

............此處省略11個文件信息