js解析json

$.ajax({
type: "POST",
url: "PGmain.ashx",
data: "action=DisplaySummarys",
//dataType:"json",
success: function(response, status, xhr){
if(response == "error")
{
alert("DisplaySummarys失败!!");
}
else
{
eval('var tmp = ' + response);
$.each(tmp.totle,function(i,n){
alert(n.first);
});
//alert(response);
}
}

});



// eval('var tmp=' + response);


后台组织:

        string json = "{\"summarys\":[";
        foreach (string key in DataBufMgr.ms_mapStatueCache.Keys)
        {
            json += "{\"first\":";
            RXGmc2Cockpit_ServerStatus newObj = (RXGmc2Cockpit_ServerStatus)DataBufMgr.ms_mapStatueCache[key]["summary"];
            string summary = newObj.szHtml;
            json += "\"" + key + "\"" ;
            json += "},";
        }
        json = json.Substring(0, json.Length-1);
        json += "]}";
        
        return json;

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