<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <script src="http://cdn.bootcss.com/jquery/1.12.4/jquery.min.js"></script> <script> 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() { if ( typeof(document.getElementById('fileToUpload').files[0])=='undefined' ) return alert('未选择任何文件'); var fd = new FormData(); fd.append("fileToUpload", document.getElementById('fileToUpload').files[0]); var Form1=new Object(); var Form1_serializeArray = $("#form1").serializeArray(); for (k in Form1_serializeArray) { Form1[Form1_serializeArray[k]['name']]=Form1_serializeArray[k]['value']; } fd.append("form1", JSON.stringify(Form1)); 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", "var_dump.php");//修改成自己的接口 xhr.send(fd); } function uploadProgress(evt) { if (evt.lengthComputable) { var percentComplete = Math.round(evt.loaded * 100 / evt.total); document.getElementById('progressNumber').innerHTML = percentComplete.toString() + '%'; } else { document.getElementById('progressNumber').innerHTML = 'unable to compute'; } } 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."); } </script> </head> <body> <form id="form1" onsubmit="return false"> <div class="row"> <label for="fileToUpload">Select a File to Upload</label><br><br> file:<input type="file" name="fileToUpload" id="fileToUpload" onchange="fileSelected()"><br><br> aa:<input type="text" name="aa"><br><br> bb:<input type="text" name="bb"><br><br> cc:<input type="text" name="cc"><br><br> dd:<input type="text" name="dd"><br><br> </div> <div id="fileName"></div> <div id="fileSize"></div> <div id="fileType"></div> <div class="row"> <input type="button" onclick="uploadFile()" value="Upload"> </div> <div id="progressNumber"></div> </form>
这段代码可以简化吗?我总感觉
var Form1 = new Object(); var Form1_serializeArray = $("#form1").serializeArray(); for (k in Form1_serializeArray) { Form1[Form1_serializeArray[k]['name']]=Form1_serializeArray[k]['value']; } fd.append("form1", JSON.stringify(Form1));
这段代码复杂了
当然,其他可以简化的地方,我也很想知道 嘿