6.WinFor练习--简单记事本程序

Love The Way You Lie 2022-01-16 16:07 271阅读 0赞

namespace \_6.简单记事本程序  
\{  
public partial class Form1 : Form  
\{  
public Form1()  
\{  
InitializeComponent();  
\}

private void Form1_Load(object sender, EventArgs e)
        {
            //一开始将不需要显示的控件进行隐藏
            txtWord.WordWrap = false;
            btnWrap.Visible = false;
            btnSave.Visible = false;
            txtWord.Visible = false;
        }
    
        private void btnLoging_Click(object sender, EventArgs e)
        {
            //单击登录按钮时判断用户密码是否正确
            //获取输入的用户及密码
            string name = txtName.Text.Trim();
            string pwd = txtPwd.Text;
            //判断用户密码是否正确
            if(name=="admin" && pwd == "admin")
            {
                MessageBox.Show("登录成功");
                //之前隐藏控件要显示出来
                btnWrap.Visible = true;
                btnSave.Visible = true;
                txtWord.Visible = true;
                //现显示的控件要进行隐藏
                labName.Visible = false;
                labPwd.Visible = false;
                txtName.Visible = false;
                txtPwd.Visible = false;
                btnLoging.Visible = false;
                btnReset.Visible = false;
    
            }
            else
            {
                //登录失败时弹出一个提示框
                MessageBox.Show("用户或密码错误，请重新输入");
                //清除用户框和密码框输入的字符
                txtName.Clear();
                txtPwd.Clear();
                //让用户框获得焦点，光标停留在用户输入框
                txtName.Focus();
            }
        }
    
        private void btnWrap_Click(object sender, EventArgs e)
        {
            //程序刚开始初始化时已将textWord设为不自动换行
            //判断btnWrap的文本来决定是否自动换行
            if (btnWrap.Text == "自动换行")
            {
                txtWord.WordWrap = true;
                btnWrap.Text = "取消自动换行";
            }
            else
            {
                txtWord.WordWrap = false;
                btnWrap.Text = "自动换行";
            }
        }
    
        private void btnSave_Click(object sender, EventArgs e)
        {
            //保存，将文件保存到指定路径
            using (FileStream fsWrite = new FileStream(@"C:\Users\Administrator.USER-20180925HC\Desktop\1.txt", FileMode.OpenOrCreate, FileAccess.Write))
            {
                //先拿到用户输入的内容
                string str = txtWord.Text.Trim();
                //转成字符串数组
                byte[] buffer = System.Text.Encoding.Default.GetBytes(str);
                //调用写的对象
                fsWrite.Write(buffer,0, buffer.Length);
            }
            MessageBox.Show("保存成功");
        }
    }

转载于:https://blog.51cto.com/12679593/2397975