Html5文件上传

Html

Css


    
        Select a File to Upload

function fileSelected() {
    var file = document.getElementById('fileToUpload').files[0];
    if (file) {
        var fileSize = 0;
        if (file.size > 1024 * 1024)
            fileSize = (Math.round(file.size * 100 / (1024 * 1024)) / 100).toString() + 'MB';
        else
            fileSize = (Math.round(file.size * 100 / 1024) / 100).toString() + 'KB';
        document.getElementById('fileName').innerHTML = 'Name: ' + file.name;
        document.getElementById('fileSize').innerHTML = 'Size: ' + fileSize;
        document.getElementById('fileType').innerHTML = 'Type: ' + file.type;
    }
}

function uploadFile() {
    var fd = new FormData();
    fd.append("fileToUpload", document.getElementById('fileToUpload').files[0]);
    var xhr = new XMLHttpRequest();
    xhr.upload.addEventListener("progress", uploadProgress, false);
    xhr.addEventListener("load", uploadComplete, false);
    xhr.addEventListener("error", uploadFailed, false);
    xhr.addEventListener("abort", uploadCanceled, false);
    xhr.open("POST", "upload.do"); //修改成自己的接口
    xhr.send(fd);
}

function uploadComplete(evt) {
    /* 服务器端返回响应时候触发event事件*/
    alert(evt.target.responseText);
}

function uploadFailed(evt) {
    alert("There was an error attempting to upload the file.");
}

function uploadCanceled(evt) {
    alert("The upload has been canceled by the user or the browser dropped the connection.");
}

↑上面代码改变，会自动显示代码结果 jQuery调用版本：1.11.3

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Html5文件上传



代码描述：html5文件上传代码

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忆林0

2018/4/4 9:06:26

怎么上传时一堆错误提示呢
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