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[Ajax] JSON (Javascript Object Notation) »ç¿ëÇϱâ
9³â Àü
JSON Á¤ÀÇ

Javascript ¿¡¼­ °´Ã¼¸¦ ±â¼úÈ­ ÇÏ´Â ¹æ¹ýÀÌ´Ù.
Key ¿Í Value ÀÇ ½ÖÀ¸·Î ±â¼úÇÏ¿© °´Ã¼¸¦ »ý¼º ½Ãų ¼ö ÀÖ´Ù.

  var student = {
   grade : 1 ,
   age : 16 ,
   name : "jihoon",
   home : [
    {address : "seoul" , telephone : "222-2222"}
   ],
   call : function() {
     alert(this.name);
    } ,
   score : [
    { subject : "¼öÇÐ" , mark : 90 , score : "A" } ,
    { subject : "°úÇÐ" , mark : 100 , score : "A+" } ,
    { subject : "»çȸ" , mark : 10 , score : "F" }
   ]
  }

JSON »ç¿ëÀÌÀ¯

AJAX ¿¡¼­ Åë½Å½Ã µ¥ÀÌÅÍÀÇ Çü½ÄÀ» XML ¹æ½ÄÀ¸·Î ¹Þ°Ô µÇ¸é XML ÆÄ½Ì ÄÚµù ÀÛ¾÷¿¡ ´ëÇØ ºÎ´ã°¨ÀÌ Å©´Ù.
AJAX ¿Í °°ÀÌ °æ·®È­ µÈ µ¥ÀÌÅ͸¦ ÁÖ°í ¹ÞÀ»½Ã XML ´ë½Å JSON ÇüŸ¦ ¾²°Ô µÇ¸é ´Ü¼ø ÅؽºÆ® ¹æ½ÄÀ¸·Î µ¥ÀÌÅ͸¦ ¹ÞÀ» ¼ö ÀÖ´Ù.
Áï javascript ÀÇ eval() ÇÔ¼ö¸¦ ½á¼­ ´ÙÀ½°ú °°ÀÌ var student = eval(responseText) ;
°£´ÜÇÏ°Ô ¹ÞÀº µ¥ÀÌÅ͸¦ °´Ã¼È­ ½Ãų ¼ö ÀÖ´Ù.

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>eval.html</title>
</head>

<body>
<script type="text/javascript">
function callback(retrunValue) {
//strJson= eval("(["+"{ id:1, name:'È«±æµ¿'}"+"])");
strJson= eval(retrunValue);
alert(strJson[0].id);
alert(strJson[0].name);
}
// JSONÇ¥±â¹ý  
var strJson= "([" + "{ id:1, name:'È«±æµ¿'}" + "])";
callback(strJson);
  
</script>
    
</body>
</html>

http://blog.naver.com/jiruchi?Redirect=Log&logNo=10021004703
http://musecje.blog.me/10126963299
http://blog.naver.com/jiruchi?Redirect=Log&logNo=10021004703
http://cafe.naver.com/jjdev/1541
http://cafe.naver.com/jjdev/1541


JSON.parse ¿Í JSON.stringify ¼³¸í

1. JSON.parse
-> ¿ì¸®°¡ ¼­¹ö¿¡¼­ ¹Þ¾Æ¿Ã¶§ objectÇüÅ·Π¿À´Âµ¥ ±×°É ¿ì¸®°¡ object_name.º¯¼ö ÀÌ·±½ÄÀ¸·Î ¾µ·Á¸é parseÇؼ­ ½á¾ß ÇÑ´Ù.

2. JSON.stringify
-> ¿ì¸®°¡ ¼­¹ö¿¡ º¸³¾¶§ stringÇüÅ·Πº¸³»¾ß Çϴµ¥ ±×·²¶§ ¾²ÀδÙ.
-> Stringify µÈ list¸¦ ´Ù½Ã jsonÇüÅ·Π¹­À»·Á¸é  list = eval("(" + list + ")");
-> ÀÌ·±½ÄÀ¸·Î ½ºÅ©¸³Æ®¿¡¼­ ÇÏ¸é ´Ù½Ã object·Î ¹­¾îÁø´Ù.

1. $.parseJSON(list); -> json objectÇüÅ·ΠÆĽÌ
for(i in sList) {
    sList[i].strCd = sCd;
  }
2 list = Strigify(list);
-> ÇϳªÀÇ °ª¸¸ ¼öÁ¤ÇÒ ¶§´Â ÀÌ·±½ÄÀ¸·Î »©¿Í¼­ ¼öÁ¤ÇÏ°í ´Ù½Ã ³ÖÀ¸¸é µÊ


Ajax Åë½Å¿¡ ÀÖ¾î json Data¸¦ »ç¿ë ½Ã

1. JSON.parse
¼­¹ö¿¡¼­ µ¥ÀÌÅ͸¦ ¹Þ¾Æ¿Ã¶§ object ÇüÅ·Π¿À°Ô µÈ´Ù.
¹Þ¾Æ¿Â µ¥ÀÌÅ͸¦ object_name.var ÀÇ ÇüÅ·Π»ç¿ëÇÏ·Á¸é µ¥ÀÌÅ͸¦ parse Çؼ­ ½á¾ß ÇÑ´Ù.

- json object ÇüÅ·ΠÆĽÌ
$.parseJSON(list);
for(i in sList) {
    sList[i].strCd = sCd;
}

2. JSON.stringify
µ¥ÀÌÅ͸¦ ¼­¹ö¿¡ º¸³¾¶§ string ÇüÅ·Πº¸³»¾ß ÇÒ¶§,
ex) var sendData = {email : $("#email").val() , pwd : $("#pwd").val()};
data : JSON.stringify(sendData),

- Stringify µÈ list ¸¦ ´Ù½Ã json ÇüÅ·Π¹­À»·Á¸é  list = eval("(" + list + ")"); ÀÇ ¹æ½ÄÀ¸·Î ½ºÅ©¸³Æ®¿¡¼­ ¼öÇàÇÏ¸é ´Ù½Ã object ·Î ¹­¾îÁø´Ù.
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