javascript XMLHttpRequest Object ์˜ˆ์ œ

2014. 11. 13. 17:33ยทLanguages/JavaScript

XMLHttpRequest ๊ฐ์ฒด๋Š” IE6, IE5์—์„œ๋งŒ ๋‹ค๋ฅด๊ฒŒ ์„ ์–ธํ•ด์ฃผ๋ฉด ๋ฉ๋‹ˆ๋‹ค. ์ƒํƒœ์ฝ”๋“œ๋กœ ์„ฑ๊ณต ์œ ๋ฌด๋ฅผ ํ™•์ธ ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค.

form ํƒœ๊ทธ์—์„œ enctype application/json ๋ฐฉ์‹์„ ์ง€์›ํ•ด์ฃผ์ง€ ์•Š์„๋•Œ ์•„๋ž˜์™€๊ฐ™์ด XMLHttpRequest๋ฅผ ์ด์šฉํ•ด์ฃผ์‹œ๋ฉด ๋˜๊ฒ ์Šต๋‹ˆ๋‹ค.

 var parameterVal = '{"id":"'+id+'","passwd":"'+passwd+'"}';
 var xmlhttp;
 if (window.XMLHttpRequest) {
 	// code for IE7+, Firefox, Chrome, Opera, Safari
    xmlhttp=new XMLHttpRequest(); 
} else {
	// code for IE6, IE5
    xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange = function(){
	if (xmlhttp.readyState==4 && xmlhttp.status==200) {
    	/*SUCCESS*/
        var chkresponseText = xmlhttp.responseText;
        chkresponseText = chkresponseText.replace(/(^\s*)|(\s*$)/, '');
        chkresponseText = chkresponseText.replace(/\s*$/, '');
        if(chkresponseText == 'N') {
        	idChk = 'Y';
            finalChkId = admin_id;
        }
    } else {
    	/*Failed*/
    }
}
xmlhttp.open("POST","./test_chk.jsp",true);
xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");
xmlhttp.send(parameterVal);

์ฐธ๊ณ ์‚ฌ์ดํŠธ http://www.w3schools.com/xml/xml_http.asp

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javascript XMLHttpRequest Object ์˜ˆ์ œ
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