Java语言程序设计基础篇_编程练习题*17.13 (带GUI的组合文件工具)

题目：*17.13 (带GUI的组合文件工具)

代码示例

结果展示

题目：*17.13 (带GUI的组合文件工具)

改写编程练习题17.12使之带有GUI，如图1721b所示

可以使用编程练习题17.11的GUI代码和编程练习题17.12的程序代码：

Java语言程序设计基础篇_编程练习题**17.11 (带GUI的分割文件工具)-CSDN博客

Java语言程序设计基础篇_编程练习题*17.12 (组合文件)-CSDN博客

代码示例

package chapter_17;import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;import javafx.application.Application;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.ContentDisplay;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;public class 编程练习题17_13GUIcombinedFile extends Application{private Label lbInfo;private TextField tfFile;private TextField tfNum;@Overridepublic void start(Stage primaryStage) throws Exception {lbInfo = new Label("If the base file is named temp.txt with three pieces,\n"+ "temp.txt.1, temp.txt.2,and temp.txt.3 are combined into temp.txt");tfFile = new TextField();tfNum = new TextField();Label lbFile = new Label("Enter a file:");lbFile.setContentDisplay(ContentDisplay.RIGHT);Label lbNum = new Label("Specify the number of smaller files:");lbNum.setContentDisplay(ContentDisplay.RIGHT);Button btStart = new Button("Start");GridPane gridPane = new GridPane();gridPane.add(lbFile, 0, 0);gridPane.add(tfFile, 1, 0);gridPane.add(lbNum, 0, 1);gridPane.add(tfNum, 1, 1);VBox vBox = new VBox(5);vBox.setAlignment(Pos.CENTER);vBox.getChildren().addAll(lbInfo, gridPane, btStart);btStart.setOnMouseClicked(e ->{try{String[] list = tfFile.getText().split(" ");for(String s:list)System.out.println(s);BTstart(list);}catch (IOException ex) {ex.printStackTrace();// TODO: handle exception}});Scene scene = new Scene(vBox);primaryStage.setTitle("编程练习题17_13GUIcombinedFile");primaryStage.setScene(scene);primaryStage.show();}public static void main(String[] args) {Application.launch(args);}public void BTstart(String[] args) throws FileNotFoundException,IOException{int length = args.length;for(int i = 0;i < length-1;i++) {DataOutputStream output = new DataOutputStream(new FileOutputStream(args[length-1],true));DataInputStream input = new DataInputStream(new FileInputStream(args[i]));int bytes = input.read();while (bytes != -1) {output.write((char)bytes);bytes = input.read();}output.close();input.close();}System.out.println("Done!");}
}