页面打印pdf格式文件

'<td><button type="button" class="btn btn-primary" data-loading-text="Loading..." onclick="printReports(\'' + task_ids + '\')">打印</button></td>'

    function printReports(task_ids) {
        $.ajax({
            url:"webVisual/printReport/admin/" + task_ids,
            async:false,
            dataTyoe:"json",
            success:function(json){
                var printEntity = json.data;
                var poiIdsss = printEntity.poiIds;

                var oPop = window.open('','oPop');
                var str = '<!DOCTYPE html>';
                    str +='<html>';
                    str +='<head>';
                    str +='<meta charset="utf-8">';
                    str += '<title>爬取错误poi打印</title>';
                    str +='</head>';
                    str +='<body>';
                    str +=    '<table  border="1px" cellspacing="0" width="100%" align="center">';
                    str +=            '<tr>'+
                                        '<th colspan="3">爬取错误poi打印</th>'
                                    '</tr>';
                    str +=            '<tr>'+
                                        '<th>任务名</th>' +
                                        '<th>来源</th>' +
                                        '<th>总数</th>' +
                                    '</tr>';
                   str +=  '<tr>'+
                                '<td align="center">' + printEntity.taskName + '</td>' +
                                '<td align="center">' + printEntity.source + '</td>' +
                                '<td align="center">' + printEntity.geoNums.length + '</td>' +
                            '</tr>';

                    $(printEntity.geoNums).each(function(index_num, errorGeoNum) {
                        str +=  '<tr>'+
                                    '<th align="center">网格编码: ' + errorGeoNum.geo_num + '</th>' +
                                    '<th align="center">创建时间: ' + errorGeoNum.create_time + '</th>' +
                                    '<td align="center">总计: ' + errorGeoNum.poi_ids.length + '</td>' +
                                '</tr>';
                            $(errorGeoNum.poi_ids).each(function(num_index, errorPoi) {
                                str +=  '<tr>'+
                                            '<td align="center">(' + (num_index+) + ')</td>' +
                                            '<td align="center" colspan="2">' + errorPoi + '</td>' +
                                        '</tr>';
                            })
                    })    

                    str +='</table>';
                    str +=    '</body>' +
                        '</html>';

                oPop.document.write(str);
                oPop.print();
                oPop.close();
            }
        });
    }