原帖来自nodeseek的jsllxx大佬：
1 工具简介
最近下动作片的时候发现除了正片老是下载一堆广告文件夹
就搓了一个清理工具，只下载正片文件夹
适用于什么情况呢，适用于网盘添加磁力链接无法选择下载什么文件的时候
如果有需要的可以用一下
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>磁力链接清理工具</title>
<style>
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background: linear-gradient(135deg, #e0eafc, #cfdef3);
margin: 0;
padding: 20px;
display: flex;
flex-direction: column;
align-items: center;
min-height: 100vh;
}
.container {
background: white;
padding: 20px;
border-radius: 10px;
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
width: 90%;
max-width: 700px;
}
h2 {
color: #333;
text-align: center;
margin-bottom: 20px;
}
.input-box {
margin: 15px 0;
}
label {
font-size: 16px;
color: #555;
margin-bottom: 5px;
display: block;
}
textarea {
width: 100%;
height: 150px;
padding: 10px;
font-size: 14px;
border: 1px solid #ddd;
border-radius: 5px;
resize: vertical;
box-sizing: border-box;
background-color: #f9f9f9;
}
textarea[readonly] {
background-color: #f0f0f0;
}
.button-group {
text-align: center;
margin-top: 20px;
}
button {
padding: 10px 25px;
font-size: 16px;
border: none;
border-radius: 5px;
cursor: pointer;
transition: background-color 0.3s;
margin: 0 10px;
}
#convertBtn {
background-color: #4CAF50;
color: white;
}
#convertBtn:hover {
background-color: #45a049;
}
#copyBtn {
background-color: #2196F3;
color: white;
}
#copyBtn:hover {
background-color: #1e87db;
}
#clearBtn {
background-color: #f44336;
color: white;
}
#clearBtn:hover {
background-color: #da190b;
}
</style>
</head>
<body>
<div class="container">
<h2>磁力链接清理工具</h2>
<div class="input-box">
<label for="inputMagnet">输入处理前的磁力链接（支持多行）:</label>
<textarea id="inputMagnet" placeholder="粘贴你的磁力链接，每行一个，例如：
magnet:?xt=urn:btih:72745371c77dd2a630d7dece1e120f88bdbea93b&dn=MIDA-022-C&tr=...
magnet:?xt=urn:btih:abcdef1234567890abcdef1234567890abcdef12&tr=..."></textarea>
</div>
<div class="button-group">
<button id="convertBtn" onclick="cleanMagnet()">转换</button>
<button id="copyBtn" onclick="copyResult()">复制结果</button>
<button id="clearBtn" onclick="clearContent()">清除</button>
</div>
<div class="input-box">
<label for="outputMagnet">处理后的磁力链接:</label>
<textarea id="outputMagnet" placeholder="处理结果会显示在这里，每行一个" readonly></textarea>
</div>
</div>
<script>
function cleanMagnet() {
// 获取输入框内容并按行分割
const input = document.getElementById("inputMagnet").value.trim();
const lines = input.split('\n');
const pattern = /(magnet:\?xt=urn:btih:[0-9a-fA-F]{40})(&dn=[^&]*)?/i;
let results = [];
// 处理每一行
lines.forEach(line => {
const match = line.match(pattern);
if (match) {
const result = match[2] ? match[1] + match[2] : match[1];
results.push(result);
} else if (line.trim()) { // 非空行但无效时提示
results.push("无效的磁力链接: " + line.trim());
}
});
// 输出结果
document.getElementById("outputMagnet").value = results.join('\n');
}
function copyResult() {
const output = document.getElementById("outputMagnet");
output.select();
document.execCommand("copy");
alert("已复制到剪贴板！");
}
function clearContent() {
// 清除两个输入框的内容
document.getElementById("inputMagnet").value = "";
document.getElementById("outputMagnet").value = "";
}
</script>
</body>
</html>
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