<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>js页面水印</title>
<style>
* {
margin: 0;
padding: 0;
}
body {
overflow-x: hidden;
}
.table-sy {
width: 100%;
height: 100%;
position: absolute;
pointer-events: none;
/*主要是这个属性*/
color: #d2d6d9;
z-index: 99999999999;
}
.table-sy>div {
display: flex;
align-items: center;
justify-content: center;
transform: rotate(-40deg);
float: left;
}
.content {
width: 100%;
height: 100vh;
background: #ccc;
}
</style>
</head>
<body>
<div id="sy" class="table-sy"></div>
<div class="content"></div>
</body>
<script>
loadSy(); //一进入页面就调用一下函数
window.onresize = function () { //页面大小发生改变
loadSy();
}
/**
* 页面添加水印
*/
function loadSy() {
var config = {
tw: 300, //内容高度
th: 150, // 内容宽度
c: 80 // 为了避免页面下方有多余的空白, 少显示一行。所以在计算每个水印高度的时候,需要加个差值,使水印分布的更均匀(一般为内容高度的一半即可)
}
var dom = document.getElementById("sy");
var data = {
name: "web张",
code: "0534",
day: "2023年5月6日"
}
var width = document.body.offsetWidth;
dom.style.width = width + "px";
var height = document.body.offsetHeight;
dom.style.height = height + "px";
var wnum = parseInt(width / config.tw) || 1;
var hnum = parseInt(height / config.th) || 1;
var wc = (width - wnum * config.tw) / wnum - 1 || 0;
var hc = (height - hnum * config.th + config.c) / hnum - 1 || 0;
var num = wnum * (hnum - 1);
var html = [];
for (var i = 0; i < num; i++) {
html.push('<div style="width: ' + (config.tw + wc) + 'px;height: ' + (config.th + hc) + 'px">', data.name, '<br/>', data.code, '<br/>', data.day, '</div>');
}
dom.innerHTML = html.join("");
}
</script>
</html>
JavaScript agrega marca de agua a la página html
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Origin blog.csdn.net/m0_63873004/article/details/130529285
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