直击PHP使用ajax的post方式下载excel文件简单示例

PHP后端使用base64:

$filename = &＃39;demo.xlsx&＃39;;
$objWriter = \PHPExcel_IOFactory::createWriter($objectPHPExcel, &＃39;Excel2007&＃39;);
ob_start();
$objWriter->save("php://output");
$xlsData = ob_get_contents();
ob_end_clean();
return Api::success([&＃39;filename&＃39; => $filename, &＃39;file&＃39; => "data:application/vnd.ms-excel;base64," . base64_encode($xlsData)]);

JS前端：

$(&＃39;.download&＃39;).click(function(){
    var url = "http://xxxx.com/group/bi/export";
    var params = {
      from_date: &＃39;2017-09-01&＃39;,
      to_date: &＃39;2017-09-08&＃39;,
      group_id: 1
    };
    $.ajax({
      type:&＃39;POST&＃39;,
      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.attr("href", redata.data.file);
        $a.attr("download", redata.data.filename);
        $("body").append($a);
        $a[0].click();
        $a.remove();
      }
    });
});

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