项目介绍

今天给大家讲解一下WinForm窗体应用程序之打字软件。WinForm打字软件是C#初学者的必经之路。通过这次学习，我们可以巩固C#的不少语法、属性，让我们深入学习编程的逻辑，让我们距C#大佬更进一步！

需求说明书

1、WINFORM窗体尺寸640*480；

2、窗体标题栏注明软件名称及开发人员信息；

3、用“多选一”按钮组，分别是代表字母（A-Z）、数字（0-9）、字母数字（A-Z，a-z，0-9），供用户选择打字的范围；

4、给出一个“开始”按钮，用户点击按钮后，打字练习开始，同时计时2分钟，开始倒计时，以分秒显示，倒计时为0时，用户不可再进行打字；

5、程序根据用户选择的“多选一”按钮组字符的范围产生相应的一组随机字符，字符长度为30，以蓝色、宋体、四号、半角模式显示在文本框中；

6、产生30个随机字符后，用户可以通过键盘在另一文本框中输入字符，与随机产生的字符一一对比，输入正确的字符，则原随机字符串中该字符颜色显示为“黑色”，不正确字符则该字符显示为“红色”，同时在界面左上方累计显示正确和错误的次数；

7、一行字符完成输入练习后，第二行自动随机产生出现，用户可继续练习打字；

8、需要在每段代码后面打上注释；

除以上要求外，可以自己完善拓展其功能，但功能必须和打字练习有关，可额外加10分。

UI设计

属性

控件类型	控件ID	主要属性设置	说明
GroupBox	GbxModel	无	训练模式GroupBox
	BbxGenerate	无	生成区GroupBox
	BbxInput	无	输入区GroupBox
Label	lblLastTimeShow	无	“剩余时间”提示文字

	lblCorrectShow	无	“正确数”提示文字
	lblWrongShow	无	“错误数”提示文字
	lblTIme	无	剩余时间
	lblRight	无	正确数
	lblWrong	无	错误数
RichTextBox	RtbGenerate	"BorderStyle"属性值为None	生成框
RichTextBox	RtbInput	"BorderStyle"属性值为None	输入框
RadioButton	RbtnA	“Text”：A-Z，a-z，0-9	“RadioButton”的A-Z，a-z，0-9选择按钮
	RtbnB	“Text”：A-Z，a-z	“RadioButton”的A-Z，a-z选择按钮
	RtbnC	“Text”：0-9	“RadioButton”的0-9选择按钮
Button	btnStart	“Text”：开始	“开始“按钮
	btnStop	“Text”：暂停	“暂停“按钮
	btnHelp	“Text”：帮助	“帮助“按钮
	btnReset	“Text”：重置	“重置“按钮

实现代码以及解释

public partial class Form1 : Form{public Form1(){InitializeComponent();}public int time = 119;//设置总时间为120秒public int countRight, CountWrong;//定义错误计数和正确计数public int Right, Wrong;//定义正确数和错误数private void BtnRestart_Click(object sender, EventArgs e){this.Hide();//原先窗体隐藏Form1 form = new Form1();//实例化窗体form.ShowDialog();//窗体打开this.Close();//原先窗体关闭}private void RtbnA_CheckedChanged(object sender, EventArgs e){string[] a = new string[]{"Q","W","E","R","T","Y","U","I","O","P","A","S","D","F","G","H","J","K","L","Z","X","C","V","B","N","M","q","w","e","r","t","y","u","i","o","p","a","s","d","f","g","h","j","k","l","z","x","c","v","b","n","m","0","1","2","3","4","5","6","7","8","9"};//罗列所有的字符Random ra = new Random();//生成一个随机数string s = "";//定义一个名字为s的空字符串int num;//定义一个用于存放数组下标的变量for (int i = 0; i <= 30; i++)//循环生成30个数{num = ra.Next(0, 61);//生成随机数范围为 0-61 共计62个字符s += a[num];//将这个字符不断赋值给s}RtbGenerate.Text = s;//把s赋值为生成框RtbGenerate.SelectAll();//选中生成框里的所有字符RtbGenerate.SelectionColor = Color.Blue;//将所有的颜色设置为蓝色}private void Rtbn2_CheckedChanged(object sender, EventArgs e){string[] a = new string[]{"Q","W","E","R","T","Y","U","I","O","P","A","S","D","F","G","H","J","K","L","Z","X","C","V","B","N","M","q","w","e","r","t","y","u","i","o","p","a","s","d","f","g","h","j","k","l","z","x","c","v","b","n","m"};Random ra = new Random();//罗列所有的字符string s = "";//生成一个随机数int num;//定义一个名字为s的空字符串for (int i = 0; i <= 30; i++)//循环生成30个数{num = ra.Next(0, 51);//生成随机数范围为 0-61 共计62个字符s += a[num];//将这个字符不断赋值给s}RtbGenerate.Text = s;//把s赋值为生成框RtbGenerate.SelectAll();//选中生成框里的所有字符RtbGenerate.SelectionColor = Color.Blue;//将所有的颜色设置为蓝色}private void Rtbn3_CheckedChanged(object sender, EventArgs e)//同上{string[] a = new string[]{"0","1","2","3","4","5","6","7","8","9"};Random ra = new Random();string s = "";int num;for (int i = 0; i <= 30; i++){num = ra.Next(0, 9);s += a[num];}RtbGenerate.Text = s;RtbGenerate.SelectAll();RtbGenerate.SelectionColor = Color.Blue;}private void Form1_Load(object sender, EventArgs e)//窗体加载的时候{RtbGenerate.Enabled = false;//生成框不可用RtbInput.Enabled = false;//输入框不可用lblTime.Text = "2:00";//时间显示为2:00}private void BtnStart_Click(object sender, EventArgs e){timer1.Enabled = true;//设置计时器不可用BtnStart.Enabled = false;//一开始的开始键不可用RtbInput.Enabled = true;//输入框可以输入}private void timer1_Tick(object sender, EventArgs e)//timer的tick事件{time--;//时间减少int q, w;//定义q和w来存放分和秒q = time / 60;//分钟等于总时间除60w = time % 60;//秒等于总时间除60的余数string str = q.ToString() + ":" + w.ToString();//定义字符串并连接字符串lblTime.Text = str;//时间文本框显示连接好的字符}private void BtnStop_Click(object sender, EventArgs e){if (BtnStop.Text == "暂停")//当停止被按下{BtnStop.Text = "继续";//暂停变为继续timer1.Enabled = false;//计时器暂停}else if (BtnStop.Text == "继续")//当继续被按下{BtnStop.Text = "暂停";//开始变为暂停timer1.Enabled = true;//计时器打开}}private void RtbInput_TextChanged(object sender, EventArgs e){Wrong = Right = 0;//正确数和错误数清空RtbGenerate.Select(RtbInput.TextLength,1);//选择输入框输入字符长度后的一个字符RtbGenerate.SelectionColor = Color.Blue;//将颜色改为蓝色RtbGenerate.Select(0, 0);//不选择任何字符if (RtbInput.TextLength <= 30)//当输入框字符数小于等于30的时候{for (int i = 0; i < RtbInput.TextLength; i++)//for循环用于逐个字符进行比较{if (RtbGenerate.Text[i] != RtbInput.Text[i])//当两个同位置字符不相同的时候{RtbGenerate.Select(i, 1);//选中那个字符RtbGenerate.SelectionColor = Color.Red;//将他改为红色RtbGenerate.Select(i + 1, 0);//光标放在那个字符后并且不选中任何字符Wrong++;//正确数++}else{RtbGenerate.Select(i, 1);//否则两个字符相等，则正确RtbGenerate.SelectionColor = Color.Black;//将他改为黑色RtbGenerate.Select(i + 1, 0);//光标放在那个字符后并且不选中任何字符Right++;//错误数++}}}if (RtbInput.TextLength == 30)//当字符数等于30的时候{countRight += Right;//把正确数加给CountRightCountWrong += Wrong;//把错误数加给CountWrongRtbGenerate.Text = "";//清空生成框RtbInput.Text = "";//清空输入框if (RbtnA.Checked)//如果第一个被选中{RtbnA_CheckedChanged(null, null);//调用第一个生成方法}else if (RtbnB.Checked)//如果第二个被选中{Rtbn2_CheckedChanged(null, null);//调用第二个生成方法}else//否则Rtbn3_CheckedChanged(null, null);//调用第三个生成方法}lblRight.Text = Convert.ToString(Right + countRight);//正确提示框等于正确数lblWrong.Text = Convert.ToString(Wrong + CountWrong);//错误提示框等于错误数}private void BtnHelp_Click(object sender, EventArgs e){MessageBox.Show("有问题请联系作者！");//提示}}

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