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success:function(contents){
    bo_count = contents;
    hd_count = contents;
}

ºÚ¸ç£¬·µ»ØµÄcontentsÊÇ¡°bo_count=3 <br>hd_count=3¡±ÕâÑùÒ»¸ö×Ö·û´®°¡£¬
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bo_count = "bo_count=3 <br>hd_count=3";
hd_count = "bo_count=3 <br>hd_count=3";

°´ÄãµÄÒâ˼£¬bo_countµÄÖµÓ¦¸ÃΪ¶àÉÙ£¿hd_countµÄÖµÓ¦¸ÃΪ¶àÉÙ£¿

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µÃµ½µÄjsÎļþÀïÃæÁ½¸ö±äÁ¿·Ö±ðΪ
bo_count=3
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hd_count=3


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¸ù¾ÝÄãÕâ¸öÎÊÌâµÄ»°£¬ÊÔÒ»ÏÂeval(contents);

PHP code:
<?php
//Éú³Éjson´®,Õâ¸öÄã¿ÉÒÔ¿¼ÂÇphp×Ô´øµÄjson_encodeº¯Êý,Ò²¿ÉÒÔgoogle¸ö¿ªÔ´µÄphp jsonÀà
$return = "{'bo_count':'123','hd_count':'456'}";
?>
<script type='text/javascript'>
var content = eval("(<?php echo $return;?>)");//ÕâÀïµÄ$returnÏ൱ÓÚajax·¢Ëͺó·þÎñÆ÷¶Ë·µ»ØµÄ´®
for(var i in content){
window[i] = content[i];
}
alert(bo_count);//123
alert(hd_count);//456
</script>


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