sendapplet.java

来自「我也是网上找的,换积分.对文件进行数字鉴名：」· Java 代码 · 共 62 行

package twoappletscom;


import java.awt.*;

import java.awt.event.*;

import java.applet.*;




public class SendApplet extends Applet {
 
  TextField tfSend = new TextField("你好,能收到信息了吗?",20); // 定义文本框
  
  Button btnSend = new Button("发送到Receiver");            // 定义发送按钮



  public void init() {

    setLayout(new FlowLayout());

    add(tfSend);

    add(btnSend);

  }


  public boolean action(Event ev, Object obj){  // 处理按钮事件

      if(ev.target instanceof Button){

      String msgSend = tfSend.getText();

      ReceiveApplet receiveApplet = (ReceiveApplet)getAppletContext().getApplet("ReceiveApplet");
                 if(receiveApplet != null){

        receiveApplet.AppendText(msgSend); // 调用ReceiveApplet中的方法

        return true;
 
      }

      else{

        tfSend.setText("没有找到ReceiveApplet");

        return false;

      }

    }

    return false;
 
 }

}