๐Ÿฉท ์Šˆ ๐Ÿงก 2010. 7. 15. 20:00
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//XMLHttpRequest ๊ฐ์ฒด ๋ณ€์ˆ˜ ์„ ์–ธ
var req = null;
//XMLHttpRequest ๊ฐ์ฒด ์ƒ์„ฑ
function getXMLHttpRequest(){
 //๊ฐ์ฒด ํƒ์ง€ ๊ธฐ๋ฒ•์œผ๋กœ XHR ๊ฐ์ฒด ๋ฆฌํ„ด
 if(window.XMLHttpRequest){ //mozilla ff,safari,opera
  return new XMLHttpRequest();
 }else if(window.ActiveXObject){ //ie
  try{
    return new ActiveXObject("Msxml2.XMLHTTP");
  }catch(e){
   try{
    return new ActiveXObject(
      "Microsoft.XMLHTTP");
   }catch(e){ return null; }
  }
 }
 return null;
}
//์„œ๋ฒ„์— ์ „์†ก์„ ๋‹ด๋‹นํ•˜๋Š” ํ•จ์ˆ˜
/*
 * method : ์ „์†ก๋ฐฉ์‹(get,post)
 * url : ์„œ๋ฒ„ ์ฃผ์†Œ
 * data : ์ „๋‹ฌํ•  ํŒŒ๋ผ๋ฏธํ„ฐ
 * handler : ์‘๋‹ต์‹œ ๋ฐ˜์‘ํ•  ํ•จ์ˆ˜
 */
function sendRequest(method, url, data, handler){
 //์ „์†ก๋ฐฉ์‹ ๊ฒ€์‚ฌ
 if(method == null || method == ''){
  //๊ธฐ๋ณธ์œผ๋กœ get๋ฐฉ์‹์„ ์ง€์ •ํ•œ๋‹ค
  method = "get";
 }
 //๋ชจ๋“  ์ฃผ์†Œ๊ฐ€ ๋˜‘๊ฐ™์ด ์ธ์‹๋˜์ง€ ์•Š๊ฒŒ ํ•˜๋Š” ๊ธฐ๋ฒ•
 url = url + ";now=" + new Date();
 //๋งŒ์•ฝ ์ „์†ก๋ฐฉ์‹์ด get์ด๋ฉด url ๋’ค์— data๋ฅผ ๋ถ™์—ฌ์•ผ ํ•œ๋‹ค.
 if(method == 'get'){
  url = url + "?" + data;
  //๊ทธ๋Ÿฌ๊ณ ๋Š” post๋ฐฉ์‹ ์ „์†ก์— ๋Œ€๋น„ํ•ด null๋กœ ๋ณ€๊ฒฝ
  data = null;
 }
 
 //์ด์ œ ์Šฌ์Šฌ ์ „์†กํ•ด ๋ณด์ž
 req = getXMLHttpRequest();
 req.open(method, url, true);
 req.onreadystatechange = handler;
 req.setRequestHeader(
  "Content-Type",
  "application/x-www-form-urlencoded");
 req.send(data);
}

//๋ฌธ์„œ์—์„œ id์— ํ•ด๋‹นํ•˜๋Š” ์š”์†Œ์˜ ๊ฐ’์„ ๋ฆฌํ„ดํ•˜๋Š” ํ•จ์ˆ˜
function getValue(obj) {
 var ele = document.getElementById(obj);
 if(ele == null) {
  return = "no data";
 }
 return ele.Value;
}


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