package packInCycle;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

public class PackInCycle

{

//创建一个主函数

public static void main(String[] args)

{

try {

System.out.print("请输入矩阵边长：N=");

BufferedReader in = new BufferedReader(new InputStreamReader(System.in));

N = Integer.parseInt(in.readLine());

} catch (IOException e) {

// TODO Auto-generated catch block

System.out.println("IOException:" + e.getMessage());

}

//创建一个登录对象

PackInCycle lg = new PackInCycle();

//调用其中的方法

try {

lg.UI();

} catch (Exception e) {

// TODO Auto-generated catch block

System.out.println("Exception:" + e.getMessage());

}

}

public void UI() throws Exception

{

//先创建一个窗体

javax.swing.JFrame jf = new javax.swing.JFrame("螺旋打印数组");

//设置窗体的大小

jf.setSize(N*40, N*40);

//创建一个流式布局管理器

java.awt.FlowLayout fl = new java.awt.FlowLayout();

jf.setLayout(fl);

//创建一个表格对象

table = new javax.swing.JTable();

//创建一个表格模型对象

model = new MyModel(N);

//将表格模型加到表格对象中

table.setModel(model);

//设置表格的高度

table.setRowHeight(30);

//逐一设置宽度

for(int col=0;col<table.getColumnCount();col++)

{

//得到表格列对象

javax.swing.table.TableColumn tablecol = table.getColumnModel().getColumn(col);

tablecol.setPreferredWidth(30);

}

//将表格添加到窗体中

jf.add(table);

//关闭窗体时退出程序

jf.setDefaultCloseOperation(3);

//设置窗体出现时的位置

jf.setLocationRelativeTo(null);

//将窗体设置为可见

jf.setVisible(true);

//得到表格模型对象

javax.swing.table.TableModel tablemodel = table.getModel();

//强制转化为MyModel对象

MyModel myModel = (MyModel)tablemodel;

String[][] data = myModel.GetData();

int tableRow = myModel.getRowCount();

int tableColumn = myModel.getColumnCount();

for(int i=0;i<tableRow;i++)

{

for(int j=0;j<tableColumn;j++)

{

data[i][j] = "0";

}

}

int row = 0;

int column = 0;

data[row][column] = "1";

String dir = "R";

table.updateUI();

int loopNum = N*N;

System.out.println("loopNum=" + loopNum);

for(Integer num=2; num<=loopNum; num++)

{

//得到MyModel中的二维数组

data = myModel.GetData();

if(dir.equalsIgnoreCase("R")){

if(row<0 || row==tableRow || column<0 || column+1==tableColumn || data[row][column+1] != "0")

{

dir = "D";

num--;

}else{

System.out.println("rrrrrrrrrrrrrrrrrrr");

data[row][column+1] = num.toString();

column++;

table.updateUI();

}

}else if(dir.equalsIgnoreCase("D")){

if(row<0 || row+1==tableRow || column<0 || column==tableColumn || data[row+1][column] != "0")

{

dir = "L";

num--;

}else{

System.out.println("ddddddddddddddddddd");

data[row+1][column] = num.toString();

row++;

table.updateUI();

}

}else if(dir.equalsIgnoreCase("L")){

if(row<0 || row==tableRow || column-1<0 || column==tableColumn || data[row][column-1] != "0")

{

dir = "T";

num--;

}else{

System.out.println("lllllllllllllllllll");

data[row][column-1] = num.toString();

column--;

table.updateUI();

}

}else if(dir.equalsIgnoreCase("T")){

if(row-1<0 || row==tableRow || column<0 || column==tableColumn || data[row-1][column] != "0")

{

dir = "R";

num--;

}else{

System.out.println("ttttttttttttttttttt");

data[row-1][column] = num.toString();

row--;

table.updateUI();

}

}

table.updateUI();

}

}

private static Integer N;

private static javax.swing.JTable table;

private static MyModel model;

}