算法库(Java实现)_Java_下载.zip

package packInCycle; import java.awt.EventQueue; import java.awt.FlowLayout; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import javax.swing.JFrame; import javax.swing.JTable; import javax.swing.table.TableModel; public class CopyOfPackInCycle { //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)); final int num = Integer.parseInt(in.readLine()); System.out.println("num = " + num); EventQueue.invokeLater(new Runnable() { public void run() { JFrame frame = new MyTableFrame(num); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); } }); } catch (NumberFormatException e) { // TODO Auto-generated catch block System.out.println("NumberFormatException:" + e.getMessage()); } catch (IOException e) { // TODO Auto-generated catch block System.out.println("IOException:" + e.getMessage()); } } } class MyTableFrame extends JFrame { public MyTableFrame(Integer N) { setTitle("螺旋打印数组"); setSize(N*40,N*40); FlowLayout fly = new FlowLayout(); this.setLayout(fly); 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 this.add(table); //关闭窗体时退出程序 this.setDefaultCloseOperation(3); //设置窗体出现时的位置 this.setLocationRelativeTo(null); //将窗体设置为可见 this.setVisible(true); //得到表格模型对象 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(data==null||table==null) { System.out.println("出错"); break; } 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 JTable table; private static MyModel model; }