<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Watermarks</title> </head> <style type="text/css"> html, body { height: 100vh; width: 100%; overflow: hidden; } </style> <body> <script> watermark({ watermark_txt: 'qinhuansky' //设置水印文本 }); function watermark(settings) { //默认设置 let defaultSettings = { watermark_txt: "text", watermark_x: 20, //水印起始位置x轴坐标 watermark_y: 20, //水印起始位置Y轴坐标 watermark_rows: 20, //水印行数 watermark_cols: 20, //水印列数 watermark_x_space: 80, //水印x轴间隔 watermark_y_space: 50, //水印y轴间隔 watermark_color: '#aaa', //水印字体颜色 watermark_alpha: 0.3, //水印透明度 watermark_fontsize: '15px', //水印字体大小 watermark_font: '微软雅黑', //水印字体 watermark_ 100, //水印宽度 watermark_height: 50, //水印长度 watermark_angle: 15 //水印倾斜度数 }; Object.assign(defaultSettings, settings); let oTemp = document.createDocumentFragment(); //获取页面最大宽度 // let p_width = Math.max(document.body.scrollWidth, document.body.clientWidth); // let cutWidth = p_width * 0.0150; // let page_width = p_width - cutWidth; let page_width = document.body.clientWidth; //获取页面最大高度 // let page_height = Math.max(document.body.scrollHeight, document.body.clientHeight) + 450; let page_height = document.body.scrollHeight + document.body.scrollTop; //如果将水印列数设置为0，或水印列数设置过大，超过页面最大宽度，则重新计算水印列数和水印x轴间隔 if (defaultSettings.watermark_cols === 0 || (parseInt(defaultSettings.watermark_x + defaultSettings.watermark_width * defaultSettings.watermark_cols + defaultSettings.watermark_x_space * (defaultSettings.watermark_cols - 1)) > page_width)) { defaultSettings.watermark_cols = parseInt((page_width - defaultSettings.watermark_x + defaultSettings.watermark_x_space) / (defaultSettings.watermark_width + defaultSettings.watermark_x_space)); defaultSettings.watermark_x_space = parseInt((page_width - defaultSettings.watermark_x - defaultSettings.watermark_width * defaultSettings.watermark_cols) / (defaultSettings.watermark_cols - 1)); } //如果将水印行数设置为0，或水印行数设置过大，超过页面最大长度，则重新计算水印行数和水印y轴间隔 if (defaultSettings.watermark_rows === 0 || (parseInt(defaultSettings.watermark_y + defaultSettings.watermark_height * defaultSettings.watermark_rows + defaultSettings.watermark_y_space * (defaultSettings.watermark_rows - 1)) > page_height)) { defaultSettings.watermark_rows = parseInt((defaultSettings.watermark_y_space + page_height - defaultSettings.watermark_y) / (defaultSettings.watermark_height + defaultSettings.watermark_y_space)); defaultSettings.watermark_y_space = parseInt(((page_height - defaultSettings.watermark_y) - defaultSettings.watermark_height * defaultSettings.watermark_rows) / (defaultSettings.watermark_rows - 1)); } let x; let y; for (let i = 0; i < defaultSettings.watermark_rows; i++) { y = defaultSettings.watermark_y + (defaultSettings.watermark_y_space + defaultSettings.watermark_height) * i; for (let j = 0; j < defaultSettings.watermark_cols; j++) { x = defaultSettings.watermark_x + (defaultSettings.watermark_width + defaultSettings.watermark_x_space) * j; let mask_div = document.createElement('div'); mask_div.id = 'mask_div' + i + j; mask_div.className = 'mask_div'; mask_div.appendChild(document.createTextNode(defaultSettings.watermark_txt)); //设置水印div倾斜显示 mask_div.style.webkitTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)"; mask_div.style.MozTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)"; mask_div.style.msTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)"; mask_div.style.OTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)"; mask_div.style.transform = "rotate(-" + defaultSettings.watermark_angle + "deg)"; mask_div.style.visibility = ""; mask_div.style.position = "absolute"; mask_div.style.left = x + 'px'; mask_div.style.top = y + 'px'; mask_div.style.overflow = "hidden"; mask_div.style.zIndex = "9999"; mask_div.style.pointerEvents = 'none'; //pointer-events:none 让水印不遮挡页面的点击事件 mask_div.style.opacity = defaultSettings.watermark_alpha; mask_div.style.fontSize = defaultSettings.watermark_fontsize; mask_div.style.fontFamily = defaultSettings.watermark_font; mask_div.style.color = defaultSettings.watermark_color; mask_div.style.textAlign = "center"; mask_div.style.width = defaultSettings.watermark_width + 'px'; mask_div.style.height = defaultSettings.watermark_height + 'px'; mask_div.style.display = "block"; oTemp.appendChild(mask_div); }; }; document.body.appendChild(oTemp); } </script> </body>
原文链接 ：https://www.jb51.net/article/163216.htm （在此做记录，侵权立删）