c php applet

c 將波浪寫入txt檔

#include <stdio.h>
#include <stdlib.h>
void helloworld(int e){
  FILE *fp1;
  fp1=fopen("output.txt","w");
  int s,point;
  for(s=1;s<=e;s++){
    fprintf(fp1,"Hello World"); //fprintf主要目的是供你將資料，以格式化方式寫入某檔案內
    /*fprintf( )和printf( )兩者唯一的差別是，
    printf( )會將資料列印在螢幕上，而fprintf( )會將資料列印在某個檔案內。*/
    for(point=1;point<=s;point++){
      fprintf(fp1,"!");
    }
    fprintf(fp1,"\n");
  }
  for(s=e-1;s>0;s--){
    fprintf(fp1,"Hello World");
    for(point=1;point<=s;point++){
      fprintf(fp1,"!");
    }
    fprintf(fp1,"\n");
  }
    fclose(fp1);
}
int main(int argc, char** argv) { //
    int number;
    if(argc > 1)
        number = (int)atoi(argv[1]);
    else
        number = 50;
    helloworld(number);
    return 0;
}

php 取得值並呼叫c執行檔

<?php
/**************************************************
 File：phpCallexe.php
 Name：執行exe
 Explain：呼叫C語言並執行
****************************************By QQBoxy*/

if(isset($_GET['n']))
 $num = $_GET['n'];
else
 $num = 20;

$cmd = exec('c1.exe '.$num);
execInBackground($cmd);
echo 'It OK!!';

//-------------------------------------------------------
function execInBackground($cmd) {
     if (substr(php_uname(), 0, 7) == "Windows"){
         pclose(popen("start /B ".$cmd."", "r"));
     }
     else {
         exec($cmd." ".$num." > /dev/null &"); 
     }
}
//-------------------------------------------------------
?>

import java.applet.Applet;
import java.awt.*;

// for Frame Exit
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;


public class HelloWorldApp extends Applet {

       Stroke drawingStroke = new BasicStroke(2);

       public void init()
   {

   }

   public void paint(Graphics g) {
            int i,p;
            String peakNumber = "";
            peakNumber = getParameter("peakNumber");
            if(peakNumber != null) {
                    // 轉成整數使用 Integer.parseInt()
                    // 轉為浮點數使用 Float.parseFloat()
                    p = Integer.parseInt(peakNumber);
            } else {
                    // 若 peakNumber 取不到值, 則內定為 5
                    p = 10;
            }
            
      Graphics2D graph = (Graphics2D)g;
      graph.setStroke(drawingStroke);
      graph.setPaint(Color.black);
             for(i=1;i<=p;i++)
             {
        graph.drawString("Hello World", 10, 10+i*20);
               printC(graph,i, 80, 10+i*20);
              }
             for(i=p-1;i>=1;i--)
             {
        //graph.drawString("Hello World", 10, 10+(10+10-i)*20);
               //printC(graph,i, 80, 10+(10+10-i)*20);
               graph.drawString("Hello World", 10, 20+10+(2*p-1)*20-20*i);
               printC(graph,i, 80, 20+10+(2*p-1)*20-20*i);
              }
   }

   public void stop()
   {

   }

         public void printC(Graphics g, int m, int x, int y){
            Graphics2D graph = (Graphics2D)g;
            int i;
            for(i=0;i<m;i++)
            {
      graph.drawString("!", x+i*10, y);
            }
          }

    public static void main(String[] args) {

        Frame frm = new Frame("我的主方法(函式)框架");
        Applet applet = new HelloWorldApp();

        frm.addWindowListener(new WindowAdapter()
        {
          public void windowClosing(WindowEvent e)
          {
            System.exit(0);
          }
        });

        frm.setSize(100, 100);
        frm.setVisible(true);

        // 將 applet 加入 Frame 中
        frm.add(applet);
        frm.setSize(300, 300);
        frm.setVisible(true);
        applet.init();
        } // 結束 main

        /* Command Lines
        int i = 0;
        for(i=1;i<=10;i++)
        {
            System.out.print("Hello World");
            printC(i);
            System.out.print("\n");
        }

        for(i=9;i>=1;i--)
        {
            System.out.print("Hello World");
            printC(i);
            System.out.print("\n");
        }
    }
    static void printC(int m){
        int i;
        for(i=0;i<m;i++)
        {
            System.out.print("!");
        }
    }
    */
} // 結束 HelloWorldApp class

java applet由php 取值給入

<applet code="HelloWorldApp" height="500" width="500">
 <param name="peakNumber" value="10" />
</applet>

import java.applet.Applet;
import java.awt.*;

public class HelloWorldApp extends Applet {
    Stroke drawingStroke = new BasicStroke(2);
    // static 變數才可以在各方法中共用
    String peakNumber = "";
    int number;
    public void init()
    {
        peakNumber = getParameter("peakNumber");
        if(peakNumber != null) {
            // 轉成整數使用 Integer.parseInt()
            // 轉為浮點數使用 Float.parseFloat()
            number = Integer.parseInt(peakNumber);
        } else {
            // 若 peakNumber 取不到值, 則內定為 5
            number = 5;
        }
    }

    public void paint(Graphics g) {
        int i;
        Graphics2D graph = (Graphics2D)g;
        graph.setStroke(drawingStroke);
        graph.setPaint(Color.black);
        for(i=1;i<=number;i++) {
            // 每一行向下增量 20 單位
            graph.drawString("Hello World", 10, 10+i*20);
            
            printC(graph,i, 80, 10+i*20);
        }
        for(i=number-1;i>=1;i--) {
            // 必須考慮前半部已經增量 number*20
            graph.drawString("Hello World", 10, 10+(number+number-i)*20);
            printC(graph,i, 80, 10+(number+number-i)*20);
        }
    }

    public void printC(Graphics g, int m, int x, int y){
        Graphics2D graph = (Graphics2D)g;
        int i;
        for(i=0;i<m;i++) {
            graph.drawString("!", x+i*10, y);
        }
        s(graph,20,20,15);
    }
    public void s(Graphics g, int x, int y, int s){
        Graphics2D graph = (Graphics2D)g;
        graph.drawLine(x, y, x+s, y);
        graph.drawLine(x+s, y, x+s, y+s);
        graph.drawLine(x+s, y+s, x, y+s);
        graph.drawLine(x, y+s, x, y);
    }
    public void square(Graphics g, int x, int y, int s){
        Graphics2D graph = (Graphics2D)g;
        graph.drawLine(x, y, x+s, y+s);
    }
}