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uploadfile1.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>File Upload Form</title>
<style>
body {
font-family: Arial, sans-serif;
background-color: #f9f9f9;
margin: 0;
padding: 0;
}
.container {
max-width: 600px;
margin: 50px auto;
padding: 20px;
background-color: #fff;
border-radius: 8px;
box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}
h2 {
margin-bottom: 20px;
color: #333;
text-align: center;
}
form {
text-align: center;
}
label {
font-weight: bold;
display: block;
margin-bottom: 10px;
}
#fileInput {
margin-bottom: 20px;
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
}
button {
padding: 10px 20px;
background-color: #2e80b6;
color: #fff;
border: none;
border-radius: 4px;
cursor: pointer;
transition: background-color 0.3s ease;
}
button:hover {
background-color: #d0d5da;
}
.output {
margin-top: 20px;
padding: 20px;
border: 1px solid #ccc;
background-color: #f0f0f0;
border-radius: 4px;
white-space: pre-wrap;
}
#progressBarContainer {
margin-top: 20px;
display: none;
}
#progressBar {
width: 100%;
height: 20px;
background-color: #e0e0e0;
border-radius: 4px;
overflow: hidden;
}
#progressBarFill {
height: 100%;
background-color: #4caf50;
width: 0; /* 初始宽度为0 */
transition: width 0.3s ease;
}
</style>
</head>
<body>
<div class="container">
<h2>Upload a File</h2>
<form id="uploadForm" enctype="multipart/form-data">
<label for="fileInput">Choose a file:</label>
<br>
<input type="file" id="fileInput" name="file" placeholder="Choose a file" />
<br>
<button type="submit">Upload</button>
</form>
<div id="progressBarContainer">
<div id="progressBar">
<div id="progressBarFill"></div>
</div>
</div>
<div id="output" class="output"></div>
</div>
<script>
document.getElementById('uploadForm').addEventListener('submit', function(event) {
event.preventDefault(); // 阻止表单的默认提交行为
var output = document.getElementById('output');
var progressBarContainer = document.getElementById('progressBarContainer');
var progressBarFill = document.getElementById('progressBarFill');
var fileInput = document.getElementById('fileInput');
var file = fileInput.files[0];
if (file) {
progressBarContainer.style.display = 'block'; // 显示进度条
var progress = 0;
var interval = setInterval(function() {
progress += 10; // 每次增加10%
progressBarFill.style.width = progress + '%'; // 更新进度条宽度
if (progress >= 100) {
clearInterval(interval); // 停止增加进度
// 上传完成后隐藏进度条
progressBarContainer.style.display = 'none';
// 上传完成后显示文件内容
displayFileContent(file);
}
}, 500); // 每500ms增加一次进度
} else {
// 输出没有选择文件的信息
output.textContent = 'No file selected. Please choose a file to upload.';
}
});
function displayFileContent(file) {
var output = document.getElementById('output');
var reader = new FileReader();
reader.onload = function(e) {
var fileContent = e.target.result;
var customMessage = 'Upload successful!!!\n';
customMessage += 'RESULTS:\n' + fileContent;
// 输出自定义信息到页面
output.textContent = customMessage;
};
reader.onerror = function(e) {
output.textContent = 'Error reading file';
};
reader.readAsText(file);
}
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>File Upload Form</title>
<style>
body {
font-family: Arial, sans-serif;
background-color: #f9f9f9;
margin: 0;
padding: 0;
}
.container {
max-width: 600px;
margin: 50px auto;
padding: 20px;
background-color: #fff;
border-radius: 8px;
box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}
h2 {
margin-bottom: 20px;
color: #333;
text-align: center;
}
form {
text-align: center;
}
label {
font-weight: bold;
display: block;
margin-bottom: 10px;
}
#fileInput {
margin-bottom: 20px;
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
}
button {
padding: 10px 20px;
background-color: #2e80b6;
color: #fff;
border: none;
border-radius: 4px;
cursor: pointer;
transition: background-color 0.3s ease;
}
button:hover {
background-color: #d0d5da;
}
.output {
margin-top: 20px;
padding: 20px;
border: 1px solid #ccc;
background-color: #f0f0f0;
border-radius: 4px;
white-space: pre-wrap;
}
#progressBarContainer {
margin-top: 20px;
display: none;
}
#progressBar {
width: 100%;
height: 20px;
background-color: #e0e0e0;
border-radius: 4px;
overflow: hidden;
}
#progressBarFill {
height: 100%;
background-color: #4caf50;
width: 0; /* 初始宽度为0 */
transition: width 0.3s ease;
}
</style>
</head>
<body>
<div class="container">
<h2>Upload a File</h2>
<form id="uploadForm" enctype="multipart/form-data">
<label for="fileInput">Choose a file:</label>
<br>
<input type="file" id="fileInput" name="file" placeholder="Choose a file" />
<br>
<button type="submit">Upload</button>
</form>
<div id="progressBarContainer">
<div id="progressBar">
<div id="progressBarFill"></div>
</div>
</div>
<div id="output" class="output"></div>
</div>
<script>
document.getElementById('uploadForm').addEventListener('submit', function(event) {
event.preventDefault(); // 阻止表单的默认提交行为
var output = document.getElementById('output');
var progressBarContainer = document.getElementById('progressBarContainer');
var progressBarFill = document.getElementById('progressBarFill');
var fileInput = document.getElementById('fileInput');
var file = fileInput.files[0];
if (file) {
progressBarContainer.style.display = 'block'; // 显示进度条
var progress = 0;
var interval = setInterval(function() {
progress += 10; // 每次增加10%
progressBarFill.style.width = progress + '%'; // 更新进度条宽度
if (progress >= 100) {
clearInterval(interval); // 停止增加进度
// 上传完成后隐藏进度条
progressBarContainer.style.display = 'none';
// 上传完成后显示文件内容
displayFileContent(file);
}
}, 500); // 每500ms增加一次进度
} else {
// 输出没有选择文件的信息
output.textContent = 'No file selected. Please choose a file to upload.';
}
});
function displayFileContent(file) {
var output = document.getElementById('output');
var reader = new FileReader();
reader.onload = function(e) {
var fileContent = e.target.result;
var customMessage = 'Upload successful!!!\n';
customMessage += 'RESULTS:\n' + fileContent;
// 输出自定义信息到页面
output.textContent = customMessage;
};
reader.onerror = function(e) {
output.textContent = 'Error reading file';
};
reader.readAsText(file);
}
</script>
</body>
</html>