import java.awt.event.actionevent;
import java.awt.event.actionlistener;
import java.sql.*;
import java.io.*;
import javax.swing.*;
public class filework extends jframe implements actionlistener {
jpanel p;
jbutton b0,b1,b2;
jtable tab;
object my[][] = new object[50][3];
int a[]=new int[50];
int b[]=new int[50];
int j=0,rows=0;
int k=0,shu=0;
string name,age;
string title[] = {"姓名", "年龄", "身高"};
bufferedreader in;
int i = 0;
public filework() {
super("数据轮回");
this.setsize(300, 300);
this.setdefaultcloseoperation(jframe.exit_on_close);
p = new jpanel();
tab = new jtable(my, title);
b0 = new jbutton("添加");
b1 = new jbutton("打开");
b2 = new jbutton("保存");
b1.addactionlistener(this);
b2.addactionlistener(this);
b0.addactionlistener(this);
p.add(b0);
p.add(b1);
p.add(b2);
this.getcontentpane().add(new jscrollpane(tab), "center");
this.getcontentpane().add(p, "south");
this.setvisible(true);
}
public void fileopen() {
try{
jfilechooser choose=new jfilechooser(".");
int sis=choose.showopendialog(this);
string name=choose.getselectedfile()+"";
if(sis==jfilechooser.approve_option){
in=new bufferedreader(new filereader(name));
string over=null;
string line;
while((line=in.readline())!=null){
over=over+line;
}
for(int i=0;i<a.length;i++){
a[i]=over.indexof("<td>")+4;
b[i]=over.indexof("</td>");
my[rows][k]=over.substring(a[i],b[i]);
over=over.substring(b[i]+4,over.length());
k=k+1;
if(k==3){k=0;rows=rows+1;}
}
}
}catch(exception ie){}
}
public static void main(string[] args) {
filework filework = new filework();
}
public void actionperformed(actionevent e) {
if (e.getsource() == b1) {
fileopen();
}
if (e.getsource() == b2) {
jfilechooser save=new jfilechooser(".");
int result=save.showsavedialog(null);
string s1=save.getselectedfile()+"";
if(result==jfilechooser.approve_option){
try {
outputstreamwriter out = new outputstreamwriter(new
fileoutputstream(s1));
string s2="<html><head></head><body>";
s2=s2+"<table border=\"1\" width=\"50%\" bordercolor=\"green\" align=\"center\">";
s2=s2+"<tr>";
s2=s2+"<th>"+"姓名"+"</th>";
s2=s2+"<th>"+"年龄"+"</th>";
s2=s2+"<th>"+"身高"+"</th>";
s2=s2+"</tr>";
for(int shu=0;shu<rows;shu++)
{
s2=s2+"<tr align=\"center\">";
s2=s2+"<td>"+my[shu][0].tostring().trim()+"</td>";
s2=s2+"<td>"+my[shu][1].tostring().trim()+"</td>";
s2=s2+"<td>"+my[shu][2].tostring().trim()+"</td>";
s2=s2+"</tr>";
}
s2=s2+"</table></body></html>";
out.write(s2);
out.close();
for(int i1=0;i1<50;i1++){
my[i1][0]="";
my[i1][1]="";
my[i1][2]="";
}
rows=0;
this.repaint();
joptionpane.showmessagedialog(null,"保存数据成功!",
"information",joptionpane.question_message);
} catch (exception ex1) {
}
}
}
if(e.getsource()==b0){
jtextfield message[]=new jtextfield[6];
message[0]=new jtextfield("请输入姓名：");
message[0].seteditable(false);
message[1]=new jtextfield();
message[2]=new jtextfield("请输入年龄：");
message[2].seteditable(false);
message[3]=new jtextfield();
message[4]=new jtextfield("请输入身高：");
message[4].seteditable(false);
message[5]=new jtextfield();
string str[]={"确认","取消"};
int go=joptionpane.showoptiondialog(null, message, "添加用户",
joptionpane.yes_option, joptionpane.information_message, null, str, str[0]);
if(go==0){
if(message[1].gettext().equals("")&&
message[3].gettext().equals("")&&
message[5].gettext().equals("")){
joptionpane.showmessagedialog(null,"数据不能为空","error",joptionpane.error_message);}
else{
my[rows][0]=message[1].gettext();
my[rows][1]=message[3].gettext();
my[rows][2]=message[5].gettext();
this.repaint();rows=rows+1;}
}
}
}
}
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