設(shè)計(jì)一個(gè)windows應(yīng)用程序,輸入一個(gè)正整數(shù),逆序打印出每一個(gè)位數(shù)

1、1.設(shè)計(jì)一個(gè) windows 應(yīng)用程序，輸入一個(gè)正整數(shù)，逆序打印出每一個(gè)位數(shù)using system;using system.collections.generic;using system.componentmodel;using system.data;using system.drawing;using system.linq;using system.text;using system.windows.forms;namespace windowsformsapplication1public partial class form1 : formpublic form1()initi

2、alizecomponent();private void button1_click(object sender, eventargs e)textbox1.text = ;textbox2.text = ;textbox1.focus();private void button2_click(object sender, eventargs e)int a = int.parse(textbox1.text);int b = 0;while (a 0)b = b * 10 + a % 10;a = a / 10;textbox2.text = b.tostring();2. 設(shè)計(jì)一個(gè)簡(jiǎn)單的

3、 windows 應(yīng)用程序，輸入聯(lián)系人的姓名，電話和 email ，單擊“添加”按鈕，顯示聯(lián)系人的相應(yīng)信息using system;using system.collections.generic;using system.componentmodel;using system.data;using system.drawing;using system.linq;using system.text;using system.windows.forms;namespace windowsformsapplication1public partial class form1 : formpubl

4、ic form1()initializecomponent();private void button1_click(object sender, eventargs e)string name = textbox1.text;string phone = textbox2.text;string email = textbox3.text;addressbook ab = new addressbook(name,phone,email);label4.text += 姓名： + ab.name + n + 電話： + ab.phone + n +email： + ab.email + n;

5、private void button2_click(object sender, eventargs e)textbox1.text = ;textbox2.text = ;textbox3.text = ;textbox1.focus();3. 自定義一個(gè)時(shí)間類(lèi)。該類(lèi)包含小時(shí)，分，秒字段與屬性，具有將秒增加1 秒的方法using system;using system.collections.generic;using system.componentmodel;using system.data;using system.drawing;using system.linq;using s

6、ystem.text;using system.windows.forms;namespace windowsformsapplication1public partial class form1 : formpublic form1()initializecomponent();private void button1_click(object sender, eventargs e) int hour = int.parse(textbox1.text);int minute = int.parse(textbox2.text);int second = int.parse(textbox

7、3.text);time t = new time(hour, minute, second);t.addsecond();textbox1.text = t.hour.tostring();textbox2.text = t.minute.tostring();textbox3.text = t.second.tostring();private void button2_click(object sender, eventargs e)textbox1.text = ;textbox2.text = ;textbox3.text = ;private void form1_load(obj

8、ect sender, eventargs e)time t = new time();textbox1.text = t.hour.tostring();textbox2.text = t.minute.tostring();textbox3.text = t.second.tostring();4. 設(shè)計(jì)一個(gè) windows 應(yīng)用程序，在該程序中首先構(gòu)造一個(gè)學(xué)生基本類(lèi)，再分別構(gòu)造小學(xué)生，中學(xué)生，大學(xué)生等派生類(lèi)，當(dāng)輸入相關(guān)數(shù)據(jù)，單擊不同按鈕（小學(xué)生，中學(xué)生，大學(xué)生）將分別創(chuàng)建不同的學(xué)生對(duì)象， 并輸入當(dāng)前的學(xué)生總?cè)藬?shù)， 該學(xué)生的姓名， 學(xué)生類(lèi)型和平均成績(jī)using system;using s

9、ystem.collections.generic;using system.componentmodel;using system.data;using system.drawing;using system.linq;using system.text;using system.windows.forms;namespace windowsformsapplication1public partial class form1 : formpublic form1()initializecomponent();private void button1_click(object sender,

10、 eventargs e) string name = textbox1.text;int age = int.parse( textbox2.text );double chinese = double.parse( textbox3.text );double math = double.parse( textbox4.text );pupil stu = new pupil(name,age,chinese,math);label6.text += 總?cè)藬?shù)： + student.number + , +姓名： + stu.name + , +小學(xué)生 , 平均成績(jī)?yōu)椋?+ stu.aver

11、age() + n;private void button2_click(object sender, eventargs e) string name = textbox1.text;int age = int.parse(textbox2.text);double chinese = double.parse(textbox3.text);double math = double.parse(textbox4.text);double english = double.parse(textbox5.text);middle stu = new middle(name, age, chinese, math,english);label6.text += 總?cè)藬?shù)： + student.number + , + 姓名： + stu.name + , +中學(xué)生 , 平均成績(jī)?yōu)椋?+ stu.average() + n;private void button3_click(object sender, eventargs e)string name = textbox1.text;int age = int.parse(textbox2.text);double bixiu = double.parse(textbox3.text);double xuanxiu =