生成日历

该博客提供了使用JavaScript实现日历功能的代码。详细说明了将代码分别加入<head>和<body>区域的步骤,包含日期获取、颜色切换、日期选择等多个函数,可实现日历的绘制、更新等功能,帮助开发者利用JavaScript创建日历。

来自:zltostem (尘寞)

脚本说明:
第一步:把如下代码加入<head>区域中:
  <SCRIPT LANGUAGE="JavaScript">
<!-- Begin
var dDate = new Date();
var dCurMonth = dDate.getMonth();
var dCurDayOfMonth = dDate.getDate();
var dCurYear = dDate.getFullYear();
var objPrevElement = new Object();

function fToggleColor(myElement) {
var toggleColor = "#ff0000";
if (myElement.id == "calDateText") {
if (myElement.color == toggleColor) {
myElement.color = "";
} else {
myElement.color = toggleColor;
   }
} else if (myElement.id == "calCell") {
for (var i in myElement.children) {
if (myElement.children[i].id == "calDateText") {
if (myElement.children[i].color == toggleColor) {
myElement.children[i].color = "";
} else {
myElement.children[i].color = toggleColor;
            }
         }
      }
   }
}
function fSetSelectedDay(myElement){
if (myElement.id == "calCell") {
if (!isNaN(parseInt(myElement.children["calDateText"].innerText))) {
myElement.bgColor = "#c0c0c0";
objPrevElement.bgColor = "";
document.all.calSelectedDate.value = parseInt(myElement.children["calDateText"].innerText);
objPrevElement = myElement;
      }
   }
}
function fGetDaysInMonth(iMonth, iYear) {
var dPrevDate = new Date(iYear, iMonth, 0);
return dPrevDate.getDate();
}
function fBuildCal(iYear, iMonth, iDayStyle) {
var aMonth = new Array();
aMonth[0] = new Array(7);
aMonth[1] = new Array(7);
aMonth[2] = new Array(7);
aMonth[3] = new Array(7);
aMonth[4] = new Array(7);
aMonth[5] = new Array(7);
aMonth[6] = new Array(7);
var dCalDate = new Date(iYear, iMonth-1, 1);
var iDayOfFirst = dCalDate.getDay();
var iDaysInMonth = fGetDaysInMonth(iMonth, iYear);
var iVarDate = 1;
var i, d, w;
if (iDayStyle == 2) {
aMonth[0][0] = "Sunday";
aMonth[0][1] = "Monday";
aMonth[0][2] = "Tuesday";
aMonth[0][3] = "Wednesday";
aMonth[0][4] = "Thursday";
aMonth[0][5] = "Friday";
aMonth[0][6] = "Saturday";
} else if (iDayStyle == 1) {
aMonth[0][0] = "Sun";
aMonth[0][1] = "Mon";
aMonth[0][2] = "Tue";
aMonth[0][3] = "Wed";
aMonth[0][4] = "Thu";
aMonth[0][5] = "Fri";
aMonth[0][6] = "Sat";
} else {
aMonth[0][0] = "Su";
aMonth[0][1] = "Mo";
aMonth[0][2] = "Tu";
aMonth[0][3] = "We";
aMonth[0][4] = "Th";
aMonth[0][5] = "Fr";
aMonth[0][6] = "Sa";
}
for (d = iDayOfFirst; d < 7; d++) {
aMonth[1][d] = iVarDate;
iVarDate++;
}
for (w = 2; w < 7; w++) {
for (d = 0; d < 7; d++) {
if (iVarDate <= iDaysInMonth) {
aMonth[w][d] = iVarDate;
iVarDate++;
      }
   }
}
return aMonth;
}
function fDrawCal(iYear, iMonth, iCellWidth, iCellHeight, sDateTextSize, sDateTextWeight, iDayStyle) {
var myMonth;
myMonth = fBuildCal(iYear, iMonth, iDayStyle);
document.write("<table border='1'>")
document.write("<tr>");
document.write("<td align='center' style='FONT-FAMILY:Arial;FONT-SIZE:12px;FONT-WEIGHT: bold'>" + myMonth[0][0] + "</td>");
document.write("<td align='center' style='FONT-FAMILY:Arial;FONT-SIZE:12px;FONT-WEIGHT: bold'>" + myMonth[0][1] + "</td>");
document.write("<td align='center' style='FONT-FAMILY:Arial;FONT-SIZE:12px;FONT-WEIGHT: bold'>" + myMonth[0][2] + "</td>");
document.write("<td align='center' style='FONT-FAMILY:Arial;FONT-SIZE:12px;FONT-WEIGHT: bold'>" + myMonth[0][3] + "</td>");
document.write("<td align='center' style='FONT-FAMILY:Arial;FONT-SIZE:12px;FONT-WEIGHT: bold'>" + myMonth[0][4] + "</td>");
document.write("<td align='center' style='FONT-FAMILY:Arial;FONT-SIZE:12px;FONT-WEIGHT: bold'>" + myMonth[0][5] + "</td>");
document.write("<td align='center' style='FONT-FAMILY:Arial;FONT-SIZE:12px;FONT-WEIGHT: bold'>" + myMonth[0][6] + "</td>");
document.write("</tr>");
for (w = 1; w < 7; w++) {
document.write("<tr>")
for (d = 0; d < 7; d++) {
document.write("<td align='left' valign='top' width='" + iCellWidth + "' height='" + iCellHeight + "' id=calCell style='CURSOR:Hand' onMouseOver='fToggleColor(this)' onMouseOut='fToggleColor(this)' onclick=fSetSelectedDay(this)>");
if (!isNaN(myMonth[w][d])) {
document.write("<font id=calDateText onMouseOver='fToggleColor(this)' style='CURSOR:Hand;FONT-FAMILY:Arial;FONT-SIZE:" + sDateTextSize + ";FONT-WEIGHT:" + sDateTextWeight + "' onMouseOut='fToggleColor(this)' onclick=fSetSelectedDay(this)>" + myMonth[w][d] + "</font>");
} else {
document.write("<font id=calDateText onMouseOver='fToggleColor(this)' style='CURSOR:Hand;FONT-FAMILY:Arial;FONT-SIZE:" + sDateTextSize + ";FONT-WEIGHT:" + sDateTextWeight + "' onMouseOut='fToggleColor(this)' onclick=fSetSelectedDay(this)>&nbsp;</font>");
}
document.write("</td>")
}
document.write("</tr>");
}
document.write("</table>")
}
function fUpdateCal(iYear, iMonth) {
myMonth = fBuildCal(iYear, iMonth);
objPrevElement.bgColor = "";
document.all.calSelectedDate.value = "";
for (w = 1; w < 7; w++) {
for (d = 0; d < 7; d++) {
if (!isNaN(myMonth[w][d])) {
calDateText[((7*w)+d)-7].innerText = myMonth[w][d];
} else {
calDateText[((7*w)+d)-7].innerText = " ";
         }
      }
   }
}
// End -->
</script>

第二步:把如下代码加入<body>区域中:
<script language="JavaScript" for=window event=onload>
<!-- Begin
var dCurDate = new Date();
frmCalendarSample.tbSelMonth.options[dCurDate.getMonth()].selected = true;
for (i = 0; i < frmCalendarSample.tbSelYear.length; i++)
if (frmCalendarSample.tbSelYear.options[i].value == dCurDate.getFullYear())
frmCalendarSample.tbSelYear.options[i].selected = true;
//  End -->
</script>

<form name="frmCalendarSample" method="post" action="">
<input type="hidden" name="calSelectedDate" value="">

<table border="1">
<tr>
<td>
<select name="tbSelMonth" onchange='fUpdateCal(frmCalendarSample.tbSelYear.value, frmCalendarSample.tbSelMonth.value)'>
<option value="1">January</option>
<option value="2">February</option>
<option value="3">March</option>
<option value="4">April</option>
<option value="5">May</option>
<option value="6">June</option>
<option value="7">July</option>
<option value="8">August</option>
<option value="9">September</option>
<option value="10">October</option>
<option value="11">November</option>
<option value="12">December</option>
</select>
 
<select name="tbSelYear" onchange='fUpdateCal(frmCalendarSample.tbSelYear.value, frmCalendarSample.tbSelMonth.value)'>
<option value="1998">1998</option>
<option value="1999">1999</option>
<option value="2000">2000</option>
<option value="2001">2001</option>
<option value="2002">2002</option>
<option value="2003">2003</option>
<option value="2004">2004</option>
</select>
</td>
</tr>
<tr>
<td>
<script language="JavaScript">
var dCurDate = new Date();
fDrawCal(dCurDate.getFullYear(), dCurDate.getMonth()+1, 30, 30, "12px", "bold", 1);
</script>
</td>
</tr>
</table>
</form>

<think>我们被要求生成相关问题,并且参考给定的引用内容。用户的问题是关于使用Python快速生成日历的方法或代码示例。根据引用[1],我们知道Python的calendar模块提供了丰富的日历处理功能,包括生成月历和年历等。引用[2]提到了使用pandas的date_range函数生成日期范围,但用户的问题明确是关于生成日历,而calendar模块更直接。引用[3]和[4]似乎没有直接相关的内容。因此,我们可以使用calendar模块来生成日历。下面我们将提供几种生成日历的常见方法:1.生成整个月的日历(以文本形式)2.生成全年的日历(以文本形式)3.生成HTML格式的日历(适用于Web应用)4.获取某个月的天数及星期分布(以列表形式)同时,我们将按照要求,在回答末尾生成相关问题。注意:所有代码示例使用Python的calendar模块。</think>### 如何使用Python生成日历 Python中生成日历主要使用内置的`calendar`模块,它提供了多种日历生成方式。以下是常用方法和代码示例: #### 1. 生成单月日历(文本格式) ```python import calendar # 生成2023年7月文本月历 cal_text = calendar.month(2023, 7) print(cal_text) ``` 输出: ``` July 2023 Mo Tu We Th Fr Sa Su 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 ``` #### 2. 生成全年日历 ```python # 生成2023年全年日历 cal_year = calendar.calendar(2023) print(cal_year) # 打印完整年历 ``` #### 3. 获取月份矩阵(编程处理) ```python # 获取2023年8月的日期矩阵(0表示非当月日期) month_matrix = calendar.monthcalendar(2023, 8) print(month_matrix) ``` 示例输出: ``` [[0, 1, 2, 3, 4, 5, 6], [7, 8, 9, 10, 11, 12, 13], [14, 15, 16, 17, 18, 19, 20], [21, 22, 23, 24, 25, 26, 27], [28, 29, 30, 31, 0, 0, 0]] ``` #### 4. 生成HTML日历(Web应用) ```python # 生成HTML格式的2023年9月日历 cal_html = calendar.HTMLCalendar().formatmonth(2023, 9) print(cal_html) # 输出HTML表格代码 ``` #### 5. 日期范围生成(结合pandas) ```python import pandas as pd # 生成2023年10月所有工作日日期 work_days = pd.date_range('2023-10-01', '2023-10-31', freq='B') print(work_days) ``` ### 关键函数说明 - `month(year, month)`:返回指定月份的格式化文本日历 - `calendar(year)`:返回整年文本日历 - `monthcalendar(year, month)`:返回日期矩阵(二维列表) - `HTMLCalendar()`:生成HTML格式日历对象 - `isleap(year)`:判断闰年(如`calendar.isleap(2024)`返回`True`) 更多功能可参考[Python官方文档 - calendar模块][^1] --- ### 相关问题 1. 如何用Python判断某年是否为闰年? 2. 怎样获取指定月份的工作日天数? 3. 如何将生成日历保存为HTML文件? 4. Python能否生成农历日历?有哪些第三方库支持? 5. 怎样在日历中高亮显示特定日期(如节假日)? [^1]: Python 官方文档 - calendar 模块:https://docs.python.org/3/library/calendar.html [^2]: Python中用于date_range函数的参数freq的偏移别名
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