inputonebyone.java

切比雪夫滤波器设计,JAVA编写,VJ编译

import com.ms.wfc.app.*;
import com.ms.wfc.core.*;
import com.ms.wfc.ui.*;

public class inputonebyone extends Form{
public inputonebyone(){
initForm();
}

//定义变量
public int max;//作多可以定义的数据点的数目
public int length=1;//数据序列的长度（为输入的最大序号数）
public double data[];//存放定义后的数据

private void yesButton_click(Object source, Event e)
{
	
}

private void upDown4_upDownChanged(Object source, UpDownChangedEvent e)
{
	
	System.out.println("upDownChanged:value="+this.upDown4.getValue()+",text="+this.edit5.getText());
}

private void edit5_keyUp(Object source, KeyEvent e)
{
	try{
		int p=Math.abs(Integer.parseInt(edit5.getText()));
		if(p>max){
			MessageBox.show("你输入的数据太大！数据序列最多只有"+max+"个数据点。","警告！",MessageBox.OK+MessageBox.ICONWARNING);
			this.label10.setText("？？？");
			}
		else this.label10.setText(String.valueOf(this.data[this.upDown4.getValue()]));
		
	}catch(NumberFormatException ee){
		MessageBox.show("你输入了非法字符，请检查后重新输入！\n注意：此处只能输入整数。","警告！",MessageBox.OK+MessageBox.ICONWARNING);
	}
}

private void button1_click(Object source, Event e)//逐点输入的确认按钮
{
	try{
		int p=Math.abs(Integer.parseInt(edit1.getText()));//获取输入序号
		double pp=Double.valueOf(this.edit2.getText()).doubleValue();//获取输入的数据
		if(p>max){
			this.edit1.setText(String.valueOf(this.max));
			MessageBox.show("你输入的数据太大！最多只允许输入"+max+"个数据点。","警告！",MessageBox.OK+MessageBox.ICONWARNING);
			}
		else{
			this.data[p]=pp;
			this.edit1.setText(String.valueOf(p+1));
			this.edit2.setText("0");
			if(p>length){
				length=p;
				this.yesButton.setEnabled(true);
			}
		}
		
		}catch(NumberFormatException ee){
		MessageBox.show("你输入了非法字符，请检查后重新输入！\n注意：序号数只能输入整数，数据栏只能输入双精度数。","警告！",MessageBox.OK+MessageBox.ICONWARNING);
	}
}

private void upDown4_valueChanged(Object source, Event e)//查询数值的输出
{
	this.label10.setText(String.valueOf(this.data[this.upDown4.getValue()]));
	//System.out.println("valuechanged:value="+this.upDown4.getValue()+",text="+this.edit5.getText());
}

private void button2_click(Object source, Event e)//线性赋值确认按钮
{
	try{
		int n=Math.abs(Integer.parseInt(edit3.getText()));//获取输入序号1
		int m=Math.abs(Integer.parseInt(edit4.getText()));//获取输入序号2
		if(n>max){
			MessageBox.show("你输入的数据太大！最多只允许输入"+max+"个数据点。","警告！",MessageBox.OK+MessageBox.ICONWARNING);
			this.edit3.setText(String.valueOf(this.max));}
		if(m>max){
			MessageBox.show("你输入的数据太大！最多只允许输入"+max+"个数据点。","警告！",MessageBox.OK+MessageBox.ICONWARNING);
			this.edit4.setText(String.valueOf(this.max));}
		if(Math.abs(n-m)<2)
			MessageBox.show("输入有误！这两个数据点之间至少间隔1个数据点，故不能重合或相邻。","警告！",MessageBox.OK+MessageBox.ICONWARNING);
		else{
			int a;
			if(n>m){a=n;n=m;m=a;}
			for(int i=n+1;i<=m-1;i++)
				this.data[i]=(double)(i-n)*this.data[m]/(double)(m-n)+(double)(m-i)*this.data[n]/(double)(m-n);
			if(m>length){
				length=m;
				this.yesButton.setEnabled(true);
			}
			}
		}catch(NumberFormatException ee){
		MessageBox.show("你输入了非法字符，请检查后重新输入！\n注意：此处只能输入整数。","警告！",MessageBox.OK+MessageBox.ICONWARNING);
		}
}


Container components = new Container();
Button yesButton = new Button();
Button cancelButton = new Button();
GroupBox groupBox1 = new GroupBox();
Label label1 = new Label();
Edit edit1 = new Edit();
UpDown upDown1 = new UpDown();
Label label2 = new Label();
Edit edit2 = new Edit();
GroupBox groupBox2 = new GroupBox();
GroupBox groupBox3 = new GroupBox();
Label label3 = new Label();
Label label4 = new Label();
Label label5 = new Label();
Edit edit4 = new Edit();
UpDown upDown2 = new UpDown();
Edit edit3 = new Edit();
UpDown upDown3 = new UpDown();
Label label6 = new Label();
Label label7 = new Label();
GroupBox groupBox4 = new GroupBox();
Edit edit5 = new Edit();
UpDown upDown4 = new UpDown();
Label label8 = new Label();
Label label9 = new Label();
Label label10 = new Label();
Button button1 = new Button();
Button button2 = new Button();

private void initForm()
{
	// NOTE:  This form is storing resource information in an
	// external file.  Do not modify the string parameter to any
	// resources.getObject() function call. For example, do not
	// modify "foo1_location" in the following line of code
	// even if the name of the Foo object changes: 
	//   foo1.setLocation((Point)resources.getObject("foo1_location"));

	IResourceManager resources = new ResourceManager(this, "inputonebyone");
	yesButton.setEnabled(false);
	yesButton.setLocation(new Point(80, 288));
	yesButton.setSize(new Point(80, 24));
	yesButton.setTabIndex(4);
	yesButton.setText("完成");
	yesButton.setDialogResult(DialogResult.YES);

	cancelButton.setLocation(new Point(312, 288));
	cancelButton.setSize(new Point(80, 24));
	cancelButton.setTabIndex(5);
	cancelButton.setText("取消");
	cancelButton.setDialogResult(DialogResult.CANCEL);

	this.setText("逐点输入数据");
	this.setAutoScaleBaseSize(new Point(6, 12));
	this.setBorderStyle(FormBorderStyle.FIXED_DIALOG);
	this.setCancelButton(cancelButton);
	this.setClientSize(new Point(477, 324));
	this.setIcon((Icon)resources.getObject("this_icon"));
	this.setMaximizeBox(false);
	this.setMinimizeBox(false);
	this.setStartPosition(FormStartPosition.CENTER_SCREEN);

	groupBox1.setLocation(new Point(8, 16));
	groupBox1.setSize(new Point(320, 88));
	groupBox1.setTabIndex(0);
	groupBox1.setTabStop(false);
	groupBox1.setText("基本工具");

	label1.setLocation(new Point(16, 24));
	label1.setSize(new Point(24, 16));
	label1.setTabIndex(0);
	label1.setTabStop(false);
	label1.setText("将第");
	label1.setTextAlign(HorizontalAlignment.CENTER);

	edit1.setLocation(new Point(40, 24));
	edit1.setSize(new Point(48, 19));
	edit1.setTabIndex(1);
	edit1.setText("1");
	edit1.setWordWrap(false);

	upDown1.setBuddyControl(edit1);
	upDown1.setLocation(new Point(88, 24));
	upDown1.setSize(new Point(16, 19));
	upDown1.setTabIndex(2);
	upDown1.setMinimum(1);
	upDown1.setValue(1);

	label2.setLocation(new Point(104, 24));
	label2.setSize(new Point(96, 16));
	label2.setTabIndex(5);
	label2.setTabStop(false);
	label2.setText("个数据点的值设为");

	edit2.setLocation(new Point(200, 24));
	edit2.setSize(new Point(72, 19));
	edit2.setTabIndex(3);
	edit2.setText("0");

	groupBox2.setLocation(new Point(8, 112));
	groupBox2.setSize(new Point(320, 104));
	groupBox2.setTabIndex(1);
	groupBox2.setTabStop(false);
	groupBox2.setText("线性成批赋值工具");

	groupBox3.setLocation(new Point(336, 16));
	groupBox3.setSize(new Point(136, 256));
	groupBox3.setTabIndex(2);
	groupBox3.setTabStop(false);
	groupBox3.setText("说明");

	label3.setLocation(new Point(8, 16));
	label3.setSize(new Point(120, 232));
	label3.setTabIndex(0);
	label3.setTabStop(false);
	label3.setText("（1）可以隔点赋值，未赋值点默认为0；                       （2）输入正确的数值后，点击相应的确认按钮，数值才能有效；                      （3）定义的数据序列的长度，即为你在定义过程中输入的最大的数据点序数；                              （4）线性成批赋值，是指将第n个数据和第m个数据之间的点，按照数据X(n)和X(m)赋值，使这些数据点(包括第n个和第m个)的取值呈线性变化。");

	label4.setLocation(new Point(16, 24));
	label4.setSize(new Point(24, 16));
	label4.setTabIndex(0);
	label4.setTabStop(false);
	label4.setText("将第");

	label5.setLocation(new Point(104, 24));
	label5.setSize(new Point(72, 16));
	label5.setTabIndex(4);
	label5.setTabStop(false);
	label5.setText("个数据点和第");

	edit4.setLocation(new Point(40, 24));
	edit4.setSize(new Point(48, 19));
	edit4.setTabIndex(1);
	edit4.setText("1");
	edit4.setWordWrap(false);

	upDown2.setBuddyControl(edit4);
	upDown2.setLocation(new Point(88, 24));
	upDown2.setSize(new Point(16, 19));
	upDown2.setTabIndex(3);
	upDown2.setMinimum(1);
	upDown2.setValue(1);

	edit3.setLocation(new Point(176, 24));
	edit3.setSize(new Point(48, 19));
	edit3.setTabIndex(5);
	edit3.setText("1");
	edit3.setWordWrap(false);

	upDown3.setBuddyControl(edit3);
	upDown3.setLocation(new Point(224, 24));
	upDown3.setSize(new Point(16, 19));
	upDown3.setTabIndex(7);
	upDown3.setMinimum(1);
	upDown3.setValue(1);

	label6.setLocation(new Point(240, 24));
	label6.setSize(new Point(72, 16));
	label6.setTabIndex(2);
	label6.setTabStop(false);
	label6.setText("个数据点之间");

	label7.setLocation(new Point(16, 56));
	label7.setSize(new Point(240, 16));
	label7.setTabIndex(6);
	label7.setTabStop(false);
	label7.setText("的所有数据点用这两个数据点线性填充赋值。");

	groupBox4.setLocation(new Point(8, 224));
	groupBox4.setSize(new Point(320, 48));
	groupBox4.setTabIndex(3);
	groupBox4.setTabStop(false);
	groupBox4.setText("查看赋值");

	edit5.setLocation(new Point(64, 24));
	edit5.setSize(new Point(48, 19));
	edit5.setTabIndex(3);
	edit5.setText("1");
	edit5.setHideSelection(false);
	edit5.setWordWrap(false);
	edit5.addOnKeyUp(new KeyEventHandler(this.edit5_keyUp));

	upDown4.setBuddyControl(edit5);
	upDown4.setLocation(new Point(112, 24));
	upDown4.setSize(new Point(16, 19));
	upDown4.setTabIndex(4);
	upDown4.setMinimum(1);
	upDown4.setValue(1);
	upDown4.addOnValueChanged(new EventHandler(this.upDown4_valueChanged));

	label8.setLocation(new Point(16, 24));
	label8.setSize(new Point(40, 16));
	label8.setTabIndex(0);
	label8.setTabStop(false);
	label8.setText("查询第");

	label9.setLocation(new Point(128, 24));
	label9.setSize(new Point(96, 16));
	label9.setTabIndex(1);
	label9.setTabStop(false);
	label9.setText("个数据点的值为：");

	label10.setLocation(new Point(224, 24));
	label10.setSize(new Point(88, 16));
	label10.setTabIndex(2);
	label10.setTabStop(false);
	label10.setText("");
	label10.setBorderStyle(BorderStyle.FIXED_3D);

	button1.setLocation(new Point(256, 56));
	button1.setSize(new Point(56, 24));
	button1.setTabIndex(4);
	button1.setText("确认");
	button1.addOnClick(new EventHandler(this.button1_click));

	button2.setLocation(new Point(256, 72));
	button2.setSize(new Point(56, 24));
	button2.setTabIndex(8);
	button2.setText("确认");
	button2.addOnClick(new EventHandler(this.button2_click));

	this.setNewControls(new Control[] {
						groupBox4, 
						groupBox3, 
						groupBox2, 
						groupBox1, 
						cancelButton, 
						yesButton});
	groupBox1.setNewControls(new Control[] {
							 button1, 
							 edit2, 
							 label2, 
							 upDown1, 
							 edit1, 
							 label1});
	groupBox2.setNewControls(new Control[] {
							 button2, 
							 label7, 
							 label6, 
							 upDown3, 
							 edit3, 
							 label5, 
							 upDown2, 
							 edit4, 
							 label4});
	groupBox3.setNewControls(new Control[] {
							 label3});
	groupBox4.setNewControls(new Control[] {
							 label10, 
							 label9, 
							 label8, 
							 upDown4, 
							 edit5});
}
}