hexo防止被镜像-省流版

master ，这是我的小站,欢迎访问哦~~

为网站添加 JavaScript 脚本

原理是检测当前站点是否为正确站点，否则：

弹窗提示框，说明此站点非官方站点。或直接重定向到官方站点。

站点加上水印

var validDomain = 'uuanqin.top';  
var redirectUrl = 'https://blog.uuanqin.top';  
var hostname = document.location.hostname;  
var isLocalHost =  (hostname === 'localhost' || hostname === '127.0.0.1');  
  
  
if (!isLocalHost && !hostname.endsWith(validDomain)) {  
    createWatermark(validDomain)  
    var userResponse = confirm(\`警告：本页面非官方页面，可能存在有害信息！建议您立即跳转 ${validDomain} 并向站长举报该镜像站：${hostname}！\`);  
    if (userResponse) {  
        window.location.replace(redirectUrl);  
    }  
}  
  
function createWatermark(text) {  
    var watermarkDiv = document.createElement('div');  
    watermarkDiv.style.pointerEvents = 'none';  
    watermarkDiv.style.position = 'fixed';  
    watermarkDiv.style.top = '0';  
    watermarkDiv.style.left = '0';  
    watermarkDiv.style.width = '100%';  
    watermarkDiv.style.height = '100%';  
    watermarkDiv.style.zIndex = '9999';  
    watermarkDiv.style.opacity = '0.1';  
    watermarkDiv.style.background = 'transparent';  
    watermarkDiv.style.overflow = 'hidden';  
    watermarkDiv.style.display = 'flex';  
    watermarkDiv.style.justifyContent = 'center';  
    watermarkDiv.style.alignItems = 'center';  
    watermarkDiv.style.flexWrap = 'wrap';  
  
    var watermarkText = document.createElement('div');  
    watermarkText.innerText = text;  
    watermarkText.style.color = 'black';  
    watermarkText.style.fontSize = '30px';  
    watermarkText.style.transform = 'rotate(-30deg)';  
    watermarkText.style.whiteSpace = 'nowrap';  
    watermarkText.style.margin = '20px';  
  
    for (var i = 0; i < 100; i++) {  
        watermarkDiv.appendChild(watermarkText.cloneNode(true));  
    }  
  
    document.body.appendChild(watermarkDiv);  
}