在编译时总是提示“tbSelYear”、“tbSelMonth”未定义
var gdCtrl = new Object();
var goSelectTag = new Array();
var gcGray = "#808080 ";
var gcToggle = "#FFFF00 ";
var gcred = "#FF0000 ";
var gcBG = "#F8F9EE ";
var gcGreen = "#00FF00 "
var gdCurDate = new Date();
var giYear = gdCurDate.getFullYear();
var giMonth = gdCurDate.getMonth()+1;
var giDay = gdCurDate.getDate();
function fSetDate(iYear, iMonth, iDay){
gdCtrl.value = iYear+ "- "+iMonth+ "- "+iDay;
}
function fSetSelected(aCell){
var iOffset = 0;
var iYear =parseInt(tbSelYear.value);//动态改变文本框的年
var iMonth = parseInt(tbSelMonth.value);//动态改变文本框的月
aCell.bgColor = gcBG;
with (aCell.children[ "cellText "]){
var iDay = parseInt(innerText);
if (color==gcGray)
iOffset = (Victor <10)?-1:1;
iMonth += iOffset;
if (iMonth <1) {
iYear--;
iMonth = 12;
}else if (iMonth> 12){
iYear++;
iMonth = 1;
}
}
}
function fBuildCal(iYear, iMonth) {
var aMonth=new Array();
for(i=1;i <7;i++)
aMonth[i]=new Array(i);
var dCalDate=new Date(iYear, iMonth-1, 1);
var iDayOfFirst=dCalDate.getDay();
var iDaysInMonth=new Date(iYear, iMonth, 0).getDate();
var iOffsetLast=new Date(iYear, iMonth-1, 0).getDate()-iDayOfFirst+1;
var iDate = 1;
var iNext = 1;
for (d = 0; d < 7; d++)
aMonth[1][d] = (d <iDayOfFirst)?-(iOffsetLast+d):iDate++;
for (w = 2; w < 7; w++)
for (d = 0; d < 7; d++)
aMonth[w][d] = (iDate <=iDaysInMonth)?iDate++:-(iNext++);
return aMonth;
}
function fDrawCal(iYear, iMonth, iCellHeight, iDateTextSize) {
var i = 0;
var w = 0;
var d = 0;
var WeekDay = new Array( "日 ", "一 ", " 二 ", " 三 ", " 四 ", " 五 ", " 六 ");
var styleTD = "bgcolor= ' "+gcBG+ " ' valign= 'middle ' align= 'center ' height= ' "+iCellHeight+ " ' style= 'font-size: "+iDateTextSize+ "; 宋体; ";
with (document) {
write( " <tr> ");
for(i=0; i <7; i++)
write( " <td " + styleTD + "color:purple '> " + WeekDay[i] + " </td> ");
write( " </tr> ");
for (w = 1; w < 7; w++) {
write( " <tr> ");
for (d = 0; d < 7; d++) {
//write( " <td id=calCell " + styleTD + "cursor:hand; ' onMouseOver= 'this.bgColor=gcToggle ' onMouseOut= 'this.bgColor=gcBG ' onclick= 'fSetSelected(this) '> ");
write( " <td id=calCell " + styleTD + "cursor:hand; ' onMouseOver= 'this.bgColor=gcToggle ' onMouseOut= 'this.bgColor=gcBG ' '> ");
write( " <font id=cellText Victor= 'Liming Weng '> </font> ");
write( " </td> ")
}
write( " </tr> ");
}
}
}
function fUpdateCal(iYear, iMonth) {
myMonth = fBuildCal(iYear, iMonth);
var i = 0;
var w = 0;
var d = 0;
for (w = 0; w < 6; w++)
for (d = 0; d < 7; d++)
with (cellText[(7*w)+d]) {
Victor = i++;
if (myMonth[w+1][d] <0) {
color = gcGray;
innerText = -myMonth[w+1][d];
}
else
{
if (myMonth[w+1][d] == giDay && iYear == giYear && iMonth == giMonth)
{
//color = ((d==0)||(d==6))? "blue ": "black ";
color = "red ";
innerText = myMonth[w+1][d];
}
else
{
color = ((d==0)||(d==6))? "blue ": "black ";
innerText = myMonth[w+1][d];
}
}
}
}
//该函数动态改变年后引起表格中的变化
function fSetYearMon(iYear, iMon){
tbSelMonth.options[iMon-1].selected = true;
for (i = 0; i < tbSelYear.length; i++)
if (tbSelYear.options[i].value == iYear)
tbSelYear.options[i].selected = true;
fUpdateCal(iYear, iMon);//将改变厚的值传给fUpdateCal（）以便以在表格中显示变化
}
function fPrevMonth(){
var iMon = tbSelMonth.value;
var iYear = tbSelYear.value;
if (--iMon <1) {
iMon = 12;
iYear--;
}
fSetYearMon(iYear, iMon);
}
function fNextMonth(){
var iMon = tbSelMonth.value;
var iYear = tbSelYear.value;
if (++iMon> 12) {
iMon = 1;
iYear++;
}
fSetYearMon(iYear, iMon);
}
function ShowCalendar()
{
var gMonths = new Array( " 1月 ", " 2月 ", " 3月 ", " 4月 ", " 5月 ", " 6月 ", " 7月 ", " 8月 ", " 9月 ", "10月 ", "11月 ", "12月 ");
with (document) {
write( " <table border= '0 ' bgcolor= '#F8F9EE '> ");
write( " <TR> ");
write( " <td valign= 'middle ' align= 'center '> <input type= 'button ' name= 'PrevMonth ' value= '＜ ' style= 'height:18;width:18 ' onClick= 'fPrevMonth() '> ");
write( " <SELECT name= 'tbSelYear ' onChange= 'fUpdateCal(tbSelYear.value, tbSelMonth.value) ' style= 'font-color:#000080;width:50;border:1 solid #99CCFF; font-size:9pt; background-color:#F8F9EE ' Victor= 'Won '> ");
for(i=1900;i <=2100;i++)
write( " <OPTION value= ' "+i+ " '> "+i+ " </OPTION> ");
write( " </SELECT> ");
write( " <select name= 'tbSelMonth ' onChange= 'fUpdateCal(tbSelYear.value, tbSelMonth.value) ' style= 'font-color:#000080;width:50;border:0 solid #99CCFF; font-size:9pt; background-color:#F8F9EE ' Victor= 'Won '> ");
for (i=0; i <12; i++)
write( " <option value= ' "+(i+1)+ " '> "+gMonths[i]+ " </option> ");
write( " </SELECT> ");
write( " <input type= 'button ' name= 'PrevMonth ' value= '＞ ' style= 'height:18;width:18 ' onclick= 'fNextMonth() '> ");
write( " </td> ");
write( " </TR> <TR> ");
write( " <td align= 'center '> ");
write( " <table border= '0 ' cellspacing= '0 ' cellpadding= '0 ' width= '100% '> <tr> <td> <table border= '0 ' cellspacing= '0 ' width= '100% ' cellpadding= '0 '> ");
fDrawCal(giYear, giMonth, 12, 12);
write( " </table> </td> </tr> </table> ");
write( " </td> </TR> </TABLE> ");
fSetYearMon(giYear, giMonth);
}
}
我的问题就如同标题，我的这个代码在运行的时候，总是报“tbSelYear”、“tbSelMonth”未定义，我查了好久没有找出问题所在，请高手们帮忙找找问题。而它报的两个未定义的对象是两个下拉列表控件，我在代码中已经写了，它怎么会报未定义呢。
[解决办法]
定义个全局变量：
var tbSelYear = document.getElementsByName( "tbSelYear ")[0];
var tbSelMonth = document.getElementsByName( "tbSelMonth ")[0];
这个要写在上面那俩对象下面。