可视化程序设计-个人记账本(课程设计).doc

可视化程序设计实验报告学 号：2143214姓 名：李子厚提交日期：2016-11-1成 绩：东北大学秦皇岛分校可视化程序设计 实验报告实验一 控件和窗体【实验内容】做一个简单的小计算器，实现整数的加减法【关键代码】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 WindowsFormsApplication1 public partial class Form1 : Form double outValue = 0; bool c = false; string d; bool f = true; int x = 0; int y = 0; public Form1() InitializeComponent(); private void button1_Click(object sender, EventArgs e) caculate(1); private void button2_Click(object sender, EventArgs e) caculate(2); private void button3_Click(object sender, EventArgs e) caculate(3); private void button4_Click(object sender, EventArgs e) caculate(4); private void button5_Click(object sender, EventArgs e) caculate(5); private void button6_Click(object sender, EventArgs e) caculate(6); private void button7_Click(object sender, EventArgs e) caculate(7); private void button8_Click(object sender, EventArgs e) caculate(8); private void button9_Click(object sender, EventArgs e) caculate(9); private void button14_Click(object sender, EventArgs e) caculate(0); private void button10_Click(object sender, EventArgs e) c = true; d = +; textBox1.Text += +; private void button11_Click(object sender, EventArgs e) c = true; d = -; textBox1.Text += -; private void button12_Click(object sender, EventArgs e) switch (d) case +: outValue = x + y; break; case -: outValue = x - y; break; case *: outValue = x * y; break; case /: outValue = x /y; break; textBox1.Text = outValue + ; c = false; f = false; x = 0; y = 0; private void button13_Click(object sender, EventArgs e) textBox1.Text = ; c = false; f = false; x = 0; y = 0; public void caculate(int z) if (f = false) textBox1.Text = ; f = true; if (c = true) textBox1.Text += z; y = 10 * y + z; else textBox1.Text += z; x = 10 * x + z; private void button15_Click(object sender, EventArgs e) if (c = true) y = 0; textBox1.Text = x + d; else x = 0; textBox1.Text = ; private void button17_Click(object sender, EventArgs e) c = true; d = *; textBox1.Text += *; private void button16_Click(object sender, EventArgs e) c = true; d = /; textBox1.Text += /; private void button18_Click(object sender, EventArgs e) /除法功能只能算整除，由于不知道int换成double怎么改所以没能实现【程序截图】实验二 目录与文件【实验内容】做一个简单的记事本，有打开和保存功能【关键代码】using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;using System.IO;namespace test2 public partial class Form1 : Form public Form1() InitializeComponent(); string filename; private void 打开ToolStripMenuItem_Click(object sender, EventArgs e) OpenFileDialog open = new OpenFileDialog(); filename = open.FileName; open.Filter = txt files (*.txt)|*.txt|All files (*.*)|*.*; open.FilterIndex = 2; open.RestoreDirectory = true; if (open.ShowDialog()=DialogResult.OK) StreamReader reader = new StreamReader(open.FileName, System.Text.Encoding.Default); richTextBox1.Text = reader.ReadToEnd(); reader.Close(); private void 保存ToolStripMenuItem_Click(object sender, EventArgs e) SaveFileDialog save = new SaveFileDialog(); StreamWriter writer; save.Filter = txt files (*.txt)|*.txt|All files (*.*)|*.*; save.FilterIndex = 2; save.RestoreDirectory = true; if (save.ShowDialog() = DialogResult.OK) writer = new StreamWriter(save.FileName); writer.Write(richTextBox1.Text); /写入 writer.Close();/关闭流 【程序截图】实验三 图形图像处理【实验内容】做一个程序，可以读取一个位图并显示，通过点击上下左右按钮，可以调整图片的位置，通过点击放大缩小，可以缩放图片。【关键代码】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 WindowsFormsApplication3 public partial class Form1 : Form Graphics g; int width, height; int x, y; const int per = 5; float rit = 1; public Form1() InitializeComponent(); width = pictureBox1.Width; height = pictureBox1.Height; g = this.pictureBox1.CreateGraphics(); x = y = 0; private void draw() g = this.pictureBox1.CreateGraphics(); g.Clear(this.BackColor); g.TranslateTransform(x, y); g.ScaleTransform(rit, rit); g.DrawImage(pictureBox1.Image, 0, 0, width, height); private void 读取ToolStripMenuItem_Click(object sender, EventArgs e) OpenFileDialog open = new OpenFileDialog(); open.Filter = image Files(*.BMP;*.JPG;*.GIF)|*.BMP;*.JPG;*.GIF|All files (*.*)|*.*; if (open.ShowDialog() = DialogResult.OK) pictureBox1.Image = Image.FromFile(open.FileName); private void pictureBox1_Click(object sender, EventArgs e) private void button1_Click(object sender, EventArgs e) y = y - per; draw(); private void button2_Click(object sender, EventArgs e) y = y + per; draw(); private void button3_Click(object sender, EventArgs e) x = x - per; draw(); private void button4_Click(object sender, EventArgs e) x = x + per; draw(); private void button5_Click(object sender, EventArgs e) rit = (float)(rit + 0.1); draw(); private void button6_Click(object sender, EventArgs e) if (rit 0) rit = (float)(rit - 0.1); draw(); 【程序截图】 实验四 数据操作【实验内容】制作一个程序，输入一个姓名，点击查询。【关键代码】using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;using System.Data.SqlClient;namespace DBOperate public partial class Form1 : Form SqlDataAdapter adapter; DataTable table; DataSet dataset1; public Form1() InitializeComponent(); private void Form1_Load(object sender, EventArgs e) string connStr = Properties.Settings.Default.Database2ConnectionString;/连接字符串 SqlConnection conn = new SqlConnection(connStr);/建立到数据库的连接 adapter = new SqlDataAdapter(select * from Table, conn); SqlCommandBuilder builder = new SqlCommandBuilder(adapter); adapter.InsertCommand = builder.GetInsertCommand(); adapter.DeleteCommand = builder.GetDeleteCommand(); adapter.UpdateCommand = builder.GetUpdateCommand(); table = new DataTable(); adapter.Fill(table); dataGridView1.DataSource = table; private void button2_Click(object