如何使用eventHandler将其他参数与事件一起传递

时间:2020-09-21 18:23:59

标签: javascript ajax events upload event-handling

所以...我有这个代码:

    function uploadFile(arquivo, id) {

    alert(id)        

    var file = _(id).files[0];
    // alert(file.name+" | "+file.size+" | "+file.type);
    var formdata = new FormData();
    formdata.append(id, file);
    var ajax = new XMLHttpRequest();
    ajax.upload.addEventListener("progress", progressHandler.bind(id), false);
    //ajax.addEventListener("load", completeHandler, false);
    ajax.addEventListener("error", errorHandler, false);
    ajax.addEventListener("abort", abortHandler, false);
    ajax.open("POST", ""); 
    ajax.send(formdata);
}

function progressHandler(id) {
    //_("loaded_n_total").innerHTML = "Uploaded " + event.loaded + " bytes of " + event.total;
    console.log('id --->' + id)
    console.log('event.loaded -----> ' +event.loaded)
    var percent = (event.loaded / event.total) * 100;
    console.log('percent ---> ' + percent)
    if (percent === 100) {
        console.log('Upload concluído')           
    }
    //_("progressBar").value = Math.round(percent);
    

但是在这一行:

console.log('id --->' + id)

我收到此回复:

id ---> [对象ProgressEvent]

所有帮助将不胜感激

0 个答案:

没有答案