下面是实现的代码，没有背景，大家可以自己添加，还可以实现其他功能。packagelpdswt1;importorg.eclipse.jface.dialogs.MessageDialog;importorg.eclipse.swt.widgets.Combo;importorg.eclipse.swt.widgets.Display;importorg.eclipse.swt.widgets.Label;importorg.eclipse.swt.widgets.Shell;importorg.eclipse.swt.widgets.Text;importorg.eclipse.swt.SWT;importorg.eclipse.swt.widgets.Button;importorg.eclipse.swt.events.SelectionAdapter;importorg.eclipse.swt.events.SelectionEvent;importorg.eclipse.swt.widgets.List;importjava.io.BufferedReader;importjava.io.BufferedWriter;importjava.io.FileReader;importjava.io.FileWriter;importjava.io.IOException;importjava.util.*;publicclassssss{protectedstaticShellshell;privatestaticListlist;//容器list框privatestaticTextimportText1,importText2,fruitText;//输入框1，输入框2，结果框privatestaticComboalgorithmCombo;//下拉框（运算）privatestaticButtonbtnCheckButton,btnCheckButton_1,btnCheckButton_2;//分别+0.1，0.01，0.001privatestaticButtonbtnRadioButton,button_1;//变为正数，变为负数；privatestaticButtonmemoryButton,resultButton1,resultButton2,deleteButton,countButton;//分别是记忆，结果1，结果2，删除，计算privatestaticButtonkeepButton,fetchButton;//存档和读取按钮；privatestaticArrayList<String>la=newArrayList<String>();//一个新的容器privatestaticStrings;//变量，用来做比较privatestaticDoubleoutput,input1,input2;//变量，用来运算privatestaticButtonopenButton;//打开新窗口的按钮protectedstaticShellshell1;//从原有窗口中打开的一个新窗口，而且实现，此窗口不关闭的情况下，无法对原窗口进行控制privatestaticDisplaydisplay=Display.getDefault();privatestaticTextfruitText1,yearText,rateText;//分别是结果框，年数，利率框privatestaticButtonbyeButton,equalButton;//运算符和等号publicstaticvoidmain(String[]args){try{sssswindow=newssss();window.open();}catch(Exceptione){e.printStackTrace();}}publicvoidopen(){createContents();shell.open();shell.layout();while(!shell.isDisposed()){if(!display.readAndDispatch()){display.sleep();}}while(!shell1.isDisposed()){if(!display.readAndDispatch()){display.sleep();}}}//个个变量protect