PHP使用ajax的post方式下载excel文件简单示例

$filename = 'demo.xlsx';$objWriter = /PHPExcel_IOFactory::createWriter($objectPHPExcel, 'Excel2007');ob_start();$objWriter->save("php://output");$xlsData = ob_get_contents();ob_end_clean();return Api::success(['filename' => $filename, 'file' => "data:application/vnd.ms-excel;base64," . base64_encode($xlsData)]);

$('.download').click(function(){    var url = "http://xxxx.com/group/bi/export";    var params = {      from_date: '2017-09-01',      to_date: '2017-09-08',      group_id: 1    };    $.ajax({      type:'POST',      url: url,      data: params,      beforeSend: function(request) {        request.setRequestHeader("Authorization", "token信息，验证身份");      },      success: function(redata) {        // 创建a标签，设置属性，并触发点击下载        var $a = $("<a>");        $a.attr("href", redata.data.file);        $a.attr("download", redata.data.filename);        $("body").append($a);        $a[0].click();        $a.remove();      }    });});