$.getJSON("http://query.yahooapis.com/v1/public/yql?callback=?", {   				    q: "select * from json where url=‘http://baidu.kuaidi100.com/query?type=tiantian&postid=886511927358&id=4‘",   				    format: "json"   				}, function(data) {   				    var $content = $("#content")   				    if (data.query.results) {  				        var result = JSON.stringify(data.query.results);				        alert(result);				        $content.text(result);  				        var obj = eval(‘(‘+result+‘)‘);				        alert(obj.json.message);				    }  				});