var queryUrl = "/"http://www.kuaidi100.com/query?type=" + $("#type").val() + "&postid=" + $("#postid").val() + "/"";    $.ajax({     url: 'http://query.yahooapis.com/v1/public/yql', //jsonp代理api     dataType: "jsonp",     data: {      q: "select * from json where url=" + queryUrl,      format: "json"     },     success: function(result) {      var res = result.query.results.json;      console.log(res);      }     },    })   });