这篇文章主要讲解了“C#如何实现日历效果”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“C#如何实现日历效果”吧！
展示：
主要代码：
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public partial class calendar : Form
{
public calendar()
{
InitializeComponent();
}
int year, month;
private void textBoxMonth_TextChanged(object sender, EventArgs e)
{
if (textBoxMonth.Text == "")
month = 0;
month = Convert.ToInt32(textBoxMonth.Text);
}
private void buttonSearch_Click(object sender, EventArgs e)
{
seach();
}
private void textBoxYear_TextChanged(object sender, EventArgs e)
{
year = Convert.ToInt32(textBoxYear.Text);
}
private void buttonLastMonth_Click(object sender, EventArgs e)
{
int year = Convert.ToInt32(textBoxYear.Text);
int month=Convert.ToInt32(textBoxMonth.Text);
if (year == 1 && month == 1)
{
year = 1;
month = 1;
}
else
{
if (month > 1)
{
month--;
textBoxMonth.Text = Convert.ToString(month);
seach();
}
else
{
textBoxMonth.Text = Convert.ToString(12);
year--;
textBoxYear.Text = Convert.ToString(year);
seach();
}
}
}
private void buttonNextMonth_Click(object sender, EventArgs e)
{
int month = Convert.ToInt32(textBoxMonth.Text);
if (month < 12)
{
month++;
textBoxMonth.Text = Convert.ToString(month);
seach();
}
else
{
textBoxMonth.Text = Convert.ToString(1);
int year = Convert.ToInt32(textBoxYear.Text);
year++;
textBoxYear.Text = Convert.ToString(year);
seach();
}
}
private void buttonLastYear_Click(object sender, EventArgs e)
{
int year = Convert.ToInt32(textBoxYear.Text);
if(year>1)
{
year--;
textBoxYear.Text = Convert.ToString(year);
textBoxMonth.Text = Convert.ToString(1);
seach();
}
}
private void buttonNextYear_Click(object sender, EventArgs e)
{
int year = Convert.ToInt32(textBoxYear.Text);
year++;
textBoxYear.Text = Convert.ToString(year);
textBoxMonth.Text = Convert.ToString(1);
seach();
}
public void seach()
{
if (textBoxYear.Text == "" || textBoxMonth.Text == "")
labelAlert.Text = "请输入年份及月份";
else
if (Convert.ToInt32(textBoxYear.Text) <= 0 || Convert.ToInt32(textBoxMonth.Text) <= 0 || Convert.ToInt32(textBoxMonth.Text) > 12)
labelAlert.Text = "输入的年份与月份不能小于0，月份不能大于12";
else
{
textBoxDemonstrate.Text = "周一 周二 周三 周四 周五 周六 周日" + "\r\n" + "\r\n" + "\r\n";
textBoxDemonstrate.Text += compute(year, month);
}
}
public bool leap_Year(int year)
{
if ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0))
return true;
else
return false;
}
public string compute(int year, int month)
{
int days1 = (year - 1) * 365;
for (int i = 1; i < year; i++)
{
if (leap_Year(i))
days1++;
}
int[] monthArray = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
if (leap_Year(year))
monthArray[1] = 29;
int days2 = 0, monthDays = monthArray[month - 1];
for (int i = 0; i < month - 1; i++)
{
days2 += monthArray[i];
}
int days = days1 + days2;
string strCalendar="";
for (int i = 0; i < days % 7; i++)
strCalendar += " ";
for(int i=1;i<monthDays+1;i++)
{
if (i < 10)
strCalendar += " " + i + " ";
else
strCalendar += Convert.ToString(i + " ");
if ((i+ days % 7) % 7 == 0)
strCalendar += "\r\n"+"\r\n" + "\r\n";
}
return strCalendar;
}
}感谢各位的阅读，以上就是“C#如何实现日历效果”的内容了，经过本文的学习后，相信大家对C#如何实现日历效果这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是亿速云，小编将为大家推送更多相关知识点的文章，欢迎关注！
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