HTML组件(HTML COMPONENTS)之七

<PUBLIC:COMPONENT tagName="CALENDAR"> 
<ATTACH EVENT="oncontentready" ONEVENT="fnInit()"/> 
</PUBLIC:COMPONENT>

<STYLE> 
TD { 
background-color:tan; 
width:50; 
height:50; 
} 
</STYLE> 
</HEAD>

<BODY> 
<SCRIPT LANGUAGE="javascript"> 
<!--

setCal();

function leapYear(year) { 
if (year % 4 == 0) {// basic rule 
return true; // is leap year 
} 
/* else */ // else not needed when statement is "return" 
return false; // is not leap year 
}

function getDays(month, year) { 
// create array to hold number of days in each month 
var ar = new Array(12); 
ar[0] = 31; // January 
ar[1] = (leapYear(year)) ? 29 : 28; // February 
ar[2] = 31; // March 
ar[3] = 30; // April 
ar[4] = 31; // May 
ar[5] = 30; // June 
ar[6] = 31; // July 
ar[7] = 31; // August 
ar[8] = 30; // September 
ar[9] = 31; // October 
ar[10] = 30; // November 
ar[11] = 31; // December

// return number of days in the specified month (parameter) 
return ar[month]; 
}

function getMonthName(month) { 
// create array to hold name of each month 
var ar = new Array(12); 
ar[0] = "January"; 
ar[1] = "February"; 
ar[2] = "March"; 
ar[3] = "April"; 
ar[4] = "May"; 
ar[5] = "June"; 
ar[6] = "July"; 
ar[7] = "August"; 
ar[8] = "September"; 
ar[9] = "October"; 
ar[10] = "November"; 
ar[11] = "December";

// return name of specified month (parameter) 
return ar[month]; 
}

function setCal() { 
// standard time attributes 
var now = new Date(); 
var year = now.getFullYear(); 
var month = now.getMonth(); 
var monthName = getMonthName(month); 
var date = now.getDate(); 
now = null;

// create instance of first day of month, and extract the day on which it occurs 
var firstDayInstance = new Date(year, month, 1); 
var firstDay = firstDayInstance.getDay(); 
firstDayInstance = null;

// number of days in current month 
var days = getDays(month, year);

// call function to draw calendar 
drawCal(firstDay + 1, days, date, monthName, year); 
}

function drawCal(firstDay, lastDate, date, monthName, year) { 
// constant table settings 
//var headerHeight = 50 // height of the table's header cell 
var border = 2; // 3D height of table's border 
var cellspacing = 4; // width of table's border 
var headerColor = "midnightblue"; // color of table's header 
var headerSize = "+3"; // size of tables header font 
var colWidth = 60; // width of columns in table 
var dayCellHeight = 25; // height of cells containing days of the week 
var dayColor = "darkblue"; // color of font representing week days 
var cellHeight = 40; // height of cells representing dates in the calendar 
var todayColor = "red"; // color specifying today's date in the calendar 
var timeColor = "purple"; // color of font representing current time

// create basic table structure 
var text = ""; // initialize accumulative variable to empty string 
text += '<TABLE BORDER=' + border + ' CELLSPACING=' + cellspacing + '>'; // table settings 
text += '<TH COLSPAN=7 HEIGHT=' + 10 + '>'; // create table header cell 
text += '<FONT COLOR="' + headerColor + '" SIZE=' + headerSize + '>'; // set font for table header 
text += monthName + ' ' + year; 
text += '</FONT>'; // close table header's font settings 
text += '</TH>'; // close header cell

// variables to hold constant settings 
var openCol = '<TD WIDTH=' + colWidth + ' HEIGHT=' + dayCellHeight + '>'; 
openCol += '<FONT COLOR="' + dayColor + '">'; 
var closeCol = '</FONT></TD>';

// create array of abbreviated day names 
var weekDay = new Array(7); 
weekDay[0] = "Sun"; 
weekDay[1] = "Mon"; 
weekDay[2] = "Tues"; 
weekDay[3] = "Wed"; 
weekDay[4] = "Thu"; 
weekDay[5] = "Fri"; 
weekDay[6] = "Sat";

// create first row of table to set column width and specify week day 
text += '<TR ALIGN="center" VALIGN="center">'; 
for (var dayNum = 0; dayNum < 7; ++dayNum) { 
text += openCol + weekDay[dayNum] + closeCol; 
} 
text += '</TR>';

// declaration and initialization of two variables to help with tables 
var dayOfMonth = 1; 
var curCell = 1;

for (var row = 1; row <= Math.ceil((lastDate + firstDay - 1) / 7); ++row) { 
text += '<TR ALIGN="right" VALIGN="top">'; 
for (var col = 1; col <= 7; ++col) { 
if ((curCell < firstDay) || (dayOfMonth > lastDate)) { 
text += '<TD></TD>'; 
curCell++ 
} else { 
if (dayOfMonth == date) { // current cell represents today's date 
text += '<TD><TODAY:DAY value=' + dayOfMonth + '></TODAY:DAY></TD>'; 
} else { 
text += '<TD><ANYDAY:DAY value=' + dayOfMonth + '></ANYDAY:DAY></TD>'; 
} 
dayOfMonth++; 
} 
} 
text += '</TR>'; 
}

// close all basic table tags 
text += '</TABLE>'; 
text += '</CENTER>';

// print accumulative HTML string 
document.write(text); 
}

// --> 
</SCRIPT> 
</BODY> 
</HTML>

HTML组件(HTML COMPONENTS)之七

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