JavaScript¿ØÖÆ°´Å¥µÄÏÔʾºÍÒþ²Ø
<script language="javascript">
//none±íʾ²»ÏÔʾ°´Å¥
document.getElementById("transFund_bttn").style.display = "none";
document.getElementById("transFundGether_bttn").style.display = "none";
document.getElementById("payGether_bttn").style.display = "none";
function query(){
var r;
for(var i=0;i<2;i++)
if(document.forms[0].isGenerated[i].checked)
r = document.forms[0].isGenerated[i].value;
if (r == "true"){
document.getElementById("transFund_bttn").style.display = "";
document.getElementById("transFundGether_bttn").style.display = "";
document.getElementById("payGether_bttn").style.display = "";
}else{
document.getElementById("transFund_bttn").style.display = "none";
document.getElementById("transFundGether_bttn").style.display = "none";
document.getElementById("payGether_bttn").style.display = "none";
}
document.forms[0].actionType.value = "query";
document.forms[0].submit();
}
¾ÙÀý˵Ã÷£º
<html:radio name="<%=formName%>" property="isGenerated" value="true" >ÒÑÉú³É</html:radio>
<html:radio name="<%=formName%>" property="isGenerated" value="false" >δÉú³É</html:radio>
Ïà¹ØÎĵµ£º
javascriptÖеÄsubstr ºÍsubstringµÄÇø±ð:
1.substr ·½·¨
·µ»ØÒ»¸ö´ÓÖ¸¶¨Î»ÖÿªÊ¼µÄÖ¸¶¨³¤¶ÈµÄ×Ó×Ö·û´®¡£
stringvar.substr(start [, length ])
²ÎÊý
stringvar
±ØÑ¡Ïî¡£ÒªÌáÈ¡×Ó×Ö·û´®µÄ×Ö·û´®ÎÄ×Ö»ò String ¶ÔÏó¡£
start
±ØÑ¡Ïî¡£ËùÐèµÄ×Ó×Ö·û´®µÄÆðʼλÖá£×Ö·û´®ÖеĵÚÒ»¸ö×Ö·ûµÄË÷ÒýΪ 0¡£
length
¿ÉÑ¡Ïî¡£Ô ......
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>ϵͳʱ¼äµÄÏÔʾ</title>
<script type="text/javascript">
function getDate() {
window.setInterval("setDate()", 1000); //Ñ»·µ÷ÓÃ ......
Ò»¡¢ÑéÖ¤Àà
1¡¢Êý×ÖÑéÖ¤ÄÚ
1.1 ÕûÊý
/^(-|\+)?\d+$/¡¡¡¡²»¿ÉÒÔΪ¿Õ
/^[-+]?\d*$/ ¿ÉÒÔΪ¿Õ
1.2 ´óÓÚ0µÄÕûÊý £¨ÓÃÓÚ´«À´µÄIDµÄÑéÖ¤)
/^\d+$/
1.3 ¸ºÕûÊýµÄÑéÖ¤
/^-\d+$/
1.4 ÕûÊý²»ÄÜ´óÓÚiMax
¸ù¾ÝÉÏÃæµÄÕýÔò¿ÉÒÔд³ö¡£
1.5 ÕûÊý²»ÄÜÐ¡Ó ......
substr È¡²¿·Ý×Ö·û´®¡£ Óï·¨: string substr(string string, int start, int [length]); ·µ»ØÖµ: ×Ö·û´® º¯ÊýÖÖÀà: ×ÊÁÏ´¦Àí ÄÚÈÝ˵Ã÷ ±¾º¯Êý½«×Ö·û´® string µÄµÚ start λÆðµÄ×Ö·û´®È¡³ö length ¸ö×Ö·û¡£Èô start Ϊ¸ºÊý£¬Ôò´Ó×Ö·û´®Î²¶ËËãÆð¡£Èô¿ÉÊ¡ÂԵIJÎÊý length ´æÔÚ£¬µ«Îª¸ºÊý£¬Ôò±íʾȡµ½µ¹ÊýµÚ length ¸ö×Ö ......
43¡¢JavaScriptÖ÷Ò³µ¯³ö´°¿Ú¼¼ÇÉ
´°¿ÚÖм䵯³ö
<script>
window.open("http://www.cctv.com","","width=400,height=240,top="+(screen.availHeight-240)/2+",left="+(screen.availWidth-400)/2);
</script>
============
<html>
<head>
<script language="LiveScript">
fu ......