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控制檯中出現以下錯誤： aes.js加載資源失敗：服務器響應狀態爲404（未找到） script.js加載資源失敗：服務器響應狀態爲404（未找到） aes.js加載資源失敗：服務器響應的狀態爲404（未找到） script.js加載資源失敗：服務器響應的狀態爲404（未找到）Javascript不能在HTML按鈕上工作
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>JavaScript File Encryption App</title>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<script src="Docrypt_function.js"></script>
</head>
<body>
<a class="back"></a>
<div id="stage">
<div id="step1">
<div class="content">
<h1>What do you want to do?</h1>
<a class="button encrypt green">Encrypt a file</a>
<a class="button decrypt magenta">/Decrypt a file</a>
</div>
</div>
<div id="step2">
<div class="content if-encrypt">
<h1>Choose which file to encrypt</h1>
<h2>An encrypted copy of the file will be generated. No data is sent to our server.</h2>
<a class="button browse blue">Browse</a>
<input type="file" id="encrypt-input" />
</div>
<div class="content if-decrypt">
<h1>Choose which file to decrypt</h1>
<h2>Only files encrypted by this tool are accepted.</h2>
<a class="button browse blue">Browse</a>
<input type="file" id="decrypt-input" />
</div>
</div>
<div id="step3">
<div class="content if-encrypt">
<h1>Enter a pass phrase</h1>
<h2>This phrase will be used as an encryption key. Write it down or remember it; you won't be able to restore the file without it. </h2>
<input type="password" />
<input type="button" value="encrypt the file!" id="button proccess red"/>
</div>
<div class="content if-decrypt">
<h1>Enter the pass phrase</h1>
<h2>Enter the pass phrase that was used to encrypt this file. It is not possible to decrypt it without it.</h2>
<input type="password" />
<input type="button" value="dencrypt the file!" id="button proccess green"/>
</div>
</div>
<div id="step4">
<div class="content">
<h1>Your file is ready!</h1>
<input type="button" value="download your file" id="download button"/>
</div>
</div>
</div>
</body>
<script src="assets/js/aes.js"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<script src="assets/js/script.js"></script>
</html>
Javascript code:
/**
* Created by Steven on 07-Feb-17.
*/
(function(){
var body = $('body'),
stage = $('#stage'),
back = $('a.back');
/* Step 1 */
$('#step1 .encrypt').click(function(){
body.attr('class', 'encrypt');
// Go to step 2
step(2);
});
$('#step1 .decrypt').click(function(){
body.attr('class', 'decrypt');
step(2);
});
/* Step 2 */
$('#step2 .button').click(function(){
// Trigger the file browser dialog
$(this).parent().find('input').click();
});
// Set up events for the file inputs
var file = null;
$('#step2').on('change', '#encrypt-input', function(e){
// Has a file been selected?
if(e.target.files.length!=1){
alert('Please select a file to encrypt!');
return false;
}
file = e.target.files[0];
if(file.size > 1024*1024){
alert('Please choose files smaller than 1mb, otherwise you may crash your browser. \nThis is a known issue.');
return;
}
step(3);
});
$('#step2').on('change', '#decrypt-input', function(e){
if(e.target.files.length!=1){
alert('Please select a file to decrypt!');
return false;
}
file = e.target.files[0];
step(3);
});
/* Step 3 */
$('a.button.process').click(function(){
var input = $(this).parent().find('input[type=password]'),
a = $('#step4 a.download'),
password = input.val();
input.val('');
if(password.length<5){
alert('Please choose a longer password!');
return;
}
// The HTML5 FileReader object will allow us to read the
// contents of the selected file.
var reader = new FileReader();
if(body.hasClass('encrypt')){
// Encrypt the file!
reader.onload = function(e){
// Use the CryptoJS library and the AES cypher to encrypt the
// contents of the file, held in e.target.result, with the password
var encrypted = CryptoJS.AES.encrypt(e.target.result, password);
// The download attribute will cause the contents of the href
// attribute to be downloaded when clicked. The download attribute
// also holds the name of the file that is offered for download.
a.attr('href', 'data:application/octet-stream,' + encrypted);
a.attr('download', file.name + '.encrypted');
step(4);
};
// This will encode the contents of the file into a data-uri.
// It will trigger the onload handler above, with the result
reader.readAsDataURL(file);
}
else {
// Decrypt it!
reader.onload = function(e){
var decrypted = CryptoJS.AES.decrypt(e.target.result, password)
.toString(CryptoJS.enc.Latin1);
if(!/^data:/.test(decrypted)){
alert("Invalid pass phrase or file! Please try again.");
return false;
}
a.attr('href', decrypted);
a.attr('download', file.name.replace('.encrypted',''));
step(4);
};
reader.readAsText(file);
}
});
/* The back button */
back.click(function(){
// Reinitialize the hidden file inputs,
// so that they don't hold the selection
// from last time
$('#step2 input[type=file]').replaceWith(function(){
return $(this).clone();
});
step(1);
});
// Helper function that moves the viewport to the correct step div
function step(i){
if(i == 1){
back.fadeOut();
}
else{
back.fadeIn();
}
// Move the #stage div. Changing the top property will trigger
// a css transition on the element. i-1 because we want the
// steps to start from 1:
stage.css('top',(-(i-1)*100)+'%');
}
/* //the encryption button
document.addEventListener('DOMContentLoaded', function() {
document.getElementById('button proccess red').addEventListener('click',function (e) {
})
})
//the decryption button
document.addEventListener('DOMContentLoaded', function() {
document.getElementById('button proccess green').addEventListener('click',function (e) {
})
})
//the download button
document.addEventListener('DOMContentLoaded', function() {
document.getElementById('download button').addEventListener('click',function (e) {
})
})
*/
});
你不打電話給IIFE。你只需創建一個匿名函數'（function（）{}）;'但不要調用它。在JS的最後，它應該是'}）（）;'而不是'}）;'。 – Xufox
一個id不允許包含任何空格字符。頁面中沒有與「a.button.process」選擇器相匹配的元素 – Andreas
id就像'id =「按鈕proccess green」'***可能是有效的，但它們在查詢中使用選擇器......或許（你看起來是你的代碼）你的意思是'class =「button rpocess green」' –