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DelphiÌṩµÄ×Ö·û´®º¯ÊýÀïÓÐÒ»¸öPosº¯Êý£¬ËüµÄ¶¨ÒåÊÇ£º
function Pos(Substr: string; S: string): Integer;
ËüµÄ×÷ÓÃÊÇÔÚ×Ö·û´®SÖвéÕÒ×Ö·û´®Substr£¬·µ»ØÖµÊÇSubstrÔÚSÖеÚÒ»´Î³öÏÖµÄλÖã¬Èç¹ûûÓÐÕÒµ½£¬·µ»ØÖµÎª0¡£
ʹÓÃposº¯ÊýÀ´²éÕÒ×Ö·ûµÚÒ»´Î³öÏÖµÄλÖÃ
var
str1:string;
i,j:integer;
begin
str1:='dsf4654f6<ds>ad' ;
j:=pos('<',str1);//ÔÚ×Ö·û´®str1ÖвéÕÒ"<"
if j<>0 then   //µÃµ½µÄjÊÇ×Ö·û´®ÖгöÏÖµÄλÖã¬ÊÇÕûÐÍ
showmessage('<'+'ÔÚµÚ'+inttostr(j)+'¸öλÖÃ');  //µÚÊ®¸öλÖÃ
end;
===============================================
Êײ¿ function StrPos(const Str1, Str2: PChar): PChar; $[SysUtils.pas
¹¦ÄÜ ·µ»ØÖ¸Õë×Ö·û´®Str2ÔÚStr1ÖеÚÒ»¸ö³öÏֵĵØÖ·
˵Ã÷ ûÓÐÕÒµ½Ôò·µ»Ø¿ÕÖ¸Õë;StrPos('12345', '3') = '345'
²Î¿¼ <NULL>
Àý×Ó Edit3.Text := StrPos(PChar(Edit1.Text), PChar(Edit2.Text));
===================================================
StrScan : ·µ»ØÒ»¸ö×Ö·ûÔÚÒ»¸ö PChar ´®ÖеÚÒ»´Î³öÏÖµÄλÖÃÖ¸Õë;
StrRScan : ·µ»ØÒ»¸ö×Ö·ûÔÚÒ»¸ö PChar ´®ÖÐ×îºóÒ»´Î³öÏÖµÄλÖÃÖ¸Õ ......

ÓÃJavascriptÀ´²Ù×÷Cookie

ÍøÕ¾¾­³£Óõ½µÄÒ»¸ö¶«Î÷ÓÃÀ´ÔÝ´æÒ»Ð©Ïà¹ØÐÅÏ¢µÄCookieÓÐÓŵãÒ²ÓÐȱµã£¬ËüÄܹ»²»Õ¼Ó÷þÎñÆ÷×ÊÔ´£¬´æ´¢ÔÚ¿Í»§¶ËµÄµçÄÔÀ¿ÉÕâÑùÒ²ÓÐÒ»¶¨µÄΣÏÕÐÔ£¬ÒòΪÏà¹ØÐÅÏ¢±ÈÈç˵µÇ¼ij¸öÍøÕ¾µÄÓû§ÃûºÍÃÜÂëÖ®ÀàµÄÐÅÏ¢£¬¶¼»á´æÔÚ¿Í»§¶ËµÄµçÄÔÀÕâÑù»á±»Ä³Ð©“ÓÐÐÄÖ®ÈË”ÀûÓã¬ËùÒÔ£¬ÓÐЩÈËϰ¹ßÔÚ¹«¹²³¡ºÏʹÓÃÍêµçÄÔºóÇåµôCookieÐÅÏ¢£¬µ±È»Ç°ÌáÊǴ˵çÄÔδ“ÑøÂ픣¬²»¹ý±¾ÎÄÌÖÂÛÎĵÄÎÊÌâ²»ÊÇCookieµÄ°²È«ÎÊÌ⣬¶øÊÇÒ»¸ö¼òµ¥µÄÀûÓÃjsÀ´²Ù×÷CookieµÄÀý×Ó£¬Ò»Æð¿´¿´°É¡£¡£¡£
<mce:script type="text/javascript"><!--
¡¡
function Set(Cookie_name)¡¡¡¡
{¡¡¡¡
¡¡var Then = new Date()¡¡¡¡
¡¡Then.setTime(Then.getTime() + 1*3600000 ) //Сʱ¡¡¡¡
¡¡document.cookie = Cookie_name+"=true;expires="+ Then.toGMTString()¡¡¡¡
}¡¡¡¡
function Get(Cookie_name)¡¡¡¡
{¡¡¡¡
¡¡var cookieString = new String(document.cookie)¡¡¡¡
¡¡var cookieHeader = Cookie_name+"="¡¡¡¡
¡¡var beginPosition = cookieString.indexOf(cookieHeader)¡¡¡¡
¡¡if (beginPosition != -1) //cookieÒѾ­ÉèÖÃÖµ£¬Ó¦¸Ã ²»ÏÔʾÌáʾ¿ò¡¡¡¡
¡¡{¡¡¡¡
¡¡¡¡ alert(Cookie_n ......

JavaScriptÕýÔò±í´ïʽ

//УÑéÊÇ·ñÈ«ÓÉÊý×Ö×é³É 
function isDigit(s) 

var patrn=/^[0-9]{1,20}$/; 
if (!patrn.exec(s)) return false 
return true 

//УÑéµÇ¼Ãû£ºÖ»ÄÜÊäÈë5-20¸öÒÔ×Öĸ¿ªÍ·¡¢¿É´øÊý×Ö¡¢“_”¡¢“.”µÄ×Ö´® 
function isRegisterUserName(s)
{
var patrn=/^[a-zA-Z]{1}([a-zA-Z0-9]|[._]){4,19}$/;
if (!patrn.exec(s)) return false
return true
}
 
//УÑéÓû§ÐÕÃû£ºÖ»ÄÜÊäÈë1-30¸öÒÔ×Öĸ¿ªÍ·µÄ×Ö´® 
function isTrueName(s)
{
var patrn=/^[a-zA-Z]{1,30}$/;
if (!patrn.exec(s)) return false
return true
}
}}
//УÑéÃÜÂ룺ֻÄÜÊäÈë6-20¸ö×Öĸ¡¢Êý×Ö¡¢Ï»®Ïß
<pre name="code" class="java">function isPasswd(s)
{
var patrn=/^(\w){6,20}$/;
if (!patrn.exec(s)) return false
return true
}
</pre>
<br>
<br>//УÑéÆÕͨµç»°¡¢´«ÕæºÅÂ룺¿ÉÒÔ“+”¿ªÍ·£¬³ýÊý×ÖÍ⣬¿Éº¬ÓГ-”
<br><pre name="code" class="java">function isTel(s)
{
//var patrn=/^[+]{0,1}(\d){1,3}[ ]?([-]?(\d){1,12})+$ ......

JavaScript ½âÎö¶ÁÈ¡XMLÎĵµ


JavaScript½âÎö¶ÁÈ¡XMLÎļþ£¬Ö÷Òª¾ÍÊǼÓÔØ²¢½âÎöXMLÎļþ£¬È»ºó¾Í¿ÉÒÔ²âÊÔ½âÎöµÄXMLÎļþµÄÄÚÈÝ£¬´òÓ¡Êä³öÀ´¡£
±àдÁËÒ»¸öJavaScriptµÄÀàÀ´ÊµÏÖ¶Áȡһ¸öXMLÎļþÖеÄÊý¾Ý£¬ÊµÏÖ´úÂëÈçÏÂËùʾ£º
<mce:script type="text/javascript"><!--

/**
* @author Shirdrn
*/
function XMLDoc(){}; // ¶¨ÒåÒ»¸öXMLDocÀà
XMLDoc.prototype.xmlFile = ""; // xmlFileΪXMLDocµÄÒ»¸ö³ÉÔ±£¬ÊÇÖ¸“.xml”Îļþ
XMLDoc.prototype.parseXMLDoc = function(){ // ¼ÓÔØ½âÎöXMLÎļþµÄ³ÉÔ±·½·¨
var docParser;
if(window.ActiveXObject) { // IEä¯ÀÀÆ÷Ö§³Ö
docParser = new ActiveXObject("Microsoft.XMLDOM");
docParser.async = "false";
docParser.load(this.xmlFile);
return docParser;
}
else if(window.DOMParser) { // Mozilliaä¯ÀÀÆ÷Ö§³Ö
docParser = new DOMParser()
return docParser.parsefromString(this.xmlFile,"text/xml");
}
else { // Èç¹û²»ÊÇIEºÍMozilliaä¯ÀÀÆ÷ÔòÎÞ·¨½âÎö£¬·µ»Øfalse¡£
return false;
}
}
XMLDoc.prototype.print = function(readTagName,readTagCnt) { // ´òÓ¡Êä³ö¶ÁÈ¡µÄXMLÎļþµÄÄÚÈÝÐÅÏ¢ ......

JavaScript ½âÎö¶ÁÈ¡XMLÎĵµ


JavaScript½âÎö¶ÁÈ¡XMLÎļþ£¬Ö÷Òª¾ÍÊǼÓÔØ²¢½âÎöXMLÎļþ£¬È»ºó¾Í¿ÉÒÔ²âÊÔ½âÎöµÄXMLÎļþµÄÄÚÈÝ£¬´òÓ¡Êä³öÀ´¡£
±àдÁËÒ»¸öJavaScriptµÄÀàÀ´ÊµÏÖ¶Áȡһ¸öXMLÎļþÖеÄÊý¾Ý£¬ÊµÏÖ´úÂëÈçÏÂËùʾ£º
<mce:script type="text/javascript"><!--

/**
* @author Shirdrn
*/
function XMLDoc(){}; // ¶¨ÒåÒ»¸öXMLDocÀà
XMLDoc.prototype.xmlFile = ""; // xmlFileΪXMLDocµÄÒ»¸ö³ÉÔ±£¬ÊÇÖ¸“.xml”Îļþ
XMLDoc.prototype.parseXMLDoc = function(){ // ¼ÓÔØ½âÎöXMLÎļþµÄ³ÉÔ±·½·¨
var docParser;
if(window.ActiveXObject) { // IEä¯ÀÀÆ÷Ö§³Ö
docParser = new ActiveXObject("Microsoft.XMLDOM");
docParser.async = "false";
docParser.load(this.xmlFile);
return docParser;
}
else if(window.DOMParser) { // Mozilliaä¯ÀÀÆ÷Ö§³Ö
docParser = new DOMParser()
return docParser.parsefromString(this.xmlFile,"text/xml");
}
else { // Èç¹û²»ÊÇIEºÍMozilliaä¯ÀÀÆ÷ÔòÎÞ·¨½âÎö£¬·µ»Øfalse¡£
return false;
}
}
XMLDoc.prototype.print = function(readTagName,readTagCnt) { // ´òÓ¡Êä³ö¶ÁÈ¡µÄXMLÎļþµÄÄÚÈÝÐÅÏ¢ ......

javascript °ü¹ü½Úµã

Ä£·ÂjQuey£¬´´½¨¼¸¸ö°ü¹ü½ÚµãµÄ·½·¨£¬·¢ÏÖjQueryµÄ·½·¨ºÜµÍЧ°¡£¬ÏÂÒ»´ÎËûÓÖ¿ÉÒÔ˵Õ⼸¸ö·½·¨¿ÉÒÔÌáÉýÁ˶àÉÙ¶àÉÙÁË¡£Ô­Àí»ù±¾ÊÇÕâÑù£¬Èç¹û´«ÈëµÄÊÇ×Ö·û´®£¬ÄÇôÈÃËüÃDZä³ÉÒ»¸öÔªËØ½Úµã£¬²»¹ýÕâÔªËØ½ÚµãÒ²¿ÉÒÔÓÐÐí¶à²ã£¬ÔÚ×îÄÚ²ã°ÑÒª°ü¹üµÄÔªËØ·Å½ø¡£°Ñ×Ö·û´®±ä³ÉÔªËØ½ÚµãµÄ·½·¨ÓÐÈçϼ¸¸ö¡£1£¬createElement£¬IE¿ÉÒÔÁ¬ÔªËØÊôÐÔÒ²Ò»Æð´´½¨£¬µ«Ö»ÄÜ´´½¨Ò»²ã¡£2£¬innerHTML£¬²»¹ýÐèÒª¶ÔÔ­À´µÄ×Ö·û´®½øÐд¦Àí£¬IEÓëFF¶¼ÓÐÐí¶àÒâÏë²»µ½µÄĬÈÏÐÐΪ£¬¿ÉÒÔΪÄã¶à¼ÓÒ»µã¶«Î÷»òÉÙ¼ÓÒ»µã¶«Î÷¡£3£¬createContextualFragment£¬ÓÉÓÚOperaµÄÐÐΪÓеã¹ÖÒ죬ÐèҪѡÖÐÐÞ¸ÄÔªËØµÄλÖ᣾­ÈÕ±¾È˵IJâÊÔ£¬Ëüת»»×Ö·û´®³É½ÚµãµÄЧÂʱÈinnerHTML¸ß¶àÁË£¬Ò²°²È«¶àÁË£¬ÕæÊÇÇ¿ÕßÓúÇ¿£¬ÈõÕßÓúÈõ¡£Èç¹ûÊÇ´«ÈëÔªËØ½Úµã£¬ÐèÒª¿Ë¡һÏ£¬Òª²»¶¼±ä³ÉwrapAll¡£Èç¹ûÊǺ¯Êý£¬°Ñµ±Ç°ÔªËØ´«½øÈ¥£¬ÀûÓÃËüµÄijЩÊôÐÔ´´½¨Ò»¸ö°ü¹üÔªËØ¡£
×î³õµÄʵÑ鯷£¨ÕâÀïµÄwrapOuterÏ൱ÓÚjQueryµÄwrap£©£º
var parseHTML = function(str) {
if(document.createRange){
var range = document.createRange()
range.setStartAfter(document.body)
return range.createCon ......

ÔÚhtmlÎļþÒýÈëÆäËühtmlÎļþµÄ¼¸ÖÖ·½·¨

¼ò½é£ºÔÚÂÛ̳Öг£³£ÓÐÍøÓÑÎʵ½£¬¿ÉÒÔÔÚÒ»¸öhtmlµÄÎļþµ±ÖжÁÈ¡ÁíÒ»¸öhtmlÎļþµÄÄÚÈÝÂ𣿴ð°¸ÊÇÈ·¶¨µÄ£¬¶øÇÒ·½·¨²»Ö»Ò»ÖÖ£¬ÔÚÒÔǰÎÒÖ»»áʹÓÃiframeÀ´ÒýÓ㬺óÀ´·¢ÏÖÁËÁíÍâµÄ¼¸ÖÖ·½·¨£¬ÄǽñÌì¾Í×ܽáÕ⼸ÖÖ·½·¨Èôó¼Ò²Î¿¼Ò»Ï£¬±¾È˾õµÃµÚÈýÖÖ·½Ê½½ÏºÃ£¡
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