Juqery error () 出现 parsererror 问题

var ajaxPage = function(url, params) { 
    var html = "";
    var rspData;
    var resultList;

    $.ajax({
        type:"POST",
        url: url,
        data: params,
        dataType:"json",
        beforeSend:function(){
            //$(‘.ajax_loading‘).show() //显示加载时候的提示
        },
        success:function(data){
            result = data;
            rspData = result.resultList;
            //将ajxa请求的数据追加到内容里面
            for(var i = 0, len = rspData.length; i < len; i++) { 
                html += ‘<a href="jobDetail.jsp?recruit_no=‘ + rspData[i].recruitNo + ‘" class="eachlist">‘;
                html += ‘<b>‘ + rspData[i].station + ‘</b>‘;
                html += ‘<b>‘ + rspData[i].c_name + ‘</b>‘;
                html += ‘<b>‘ + rspData[i].work_loc_1st + ‘ | ‘ +  rspData[i].salary + ‘ | ‘ + rspData[i].reg_date + ‘</b>‘;
                html += ‘<em class="icon"></em>‘;
                html += ‘</a>‘;
            }

            $(‘#jobList‘).append(html);
            $(‘#totalPage‘).val(result.tpage);
            $("#newPage").val(1);
            //$(‘.ajax_loading‘).hide(); //请求成功,隐藏加载提示
        },
        error: function(xhr, type){
           alert("页面载入出错,请重试！"+xhr.readyState+"  "+xhr.status+" "+type);
           $("#newPage").val(1);
        }
    })
}