function watermark(settings) {
//默认设置
var defaultSettings = {
watermarl_element: "body",
watermark_txt: "",
watermark_x: 200, //水印起始位置x轴坐标
watermark_y: 200, //水印起始位置Y轴坐标
watermark_rows: 5, //水印行数
watermark_cols: 2, //水印列数
watermark_x_space: 70, //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: 0.2, //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_width: 250, //水印宽度
watermark_height: 80, //水印长度
watermark_angle: 15, //水印倾斜度数
}; //采用配置项替换默认值，作用类似jquery.extend
if (arguments.length === 1 && typeof arguments[0] === "object") {
var src = arguments[0] || {};
for (key in src) {
if (src[key] && defaultSettings[key] && src[key] === defaultSettings[key])
continue;
else if (src[key]) defaultSettings[key] = src[key];
}
}
var oTemp = document.createDocumentFragment();
var maskElement =
document.getElementById(defaultSettings.watermarl_element) || document.body; //获取页面最大宽度
var page_width = Math.max(maskElement.scrollWidth, maskElement.clientWidth); //获取页面最大高度
var page_height = Math.max(
maskElement.scrollHeight,
maskElement.clientHeight
); //水印数量自适应元素区域尺寸
defaultSettings.watermark_cols = Math.ceil(
page_width /
(defaultSettings.watermark_x_space + defaultSettings.watermark_width)
);
defaultSettings.watermark_rows = Math.ceil(
page_height /
(defaultSettings.watermark_y_space + defaultSettings.watermark_height)
);
var x;
var y;
for (var i = 0; i < defaultSettings.watermark_rows; i++) {
y =
defaultSettings.watermark_y +
(defaultSettings.watermark_y_space + defaultSettings.watermark_height) *
i;
for (var j = 0; j < defaultSettings.watermark_cols; j++) {
x =
defaultSettings.watermark_x +
(defaultSettings.watermark_width + defaultSettings.watermark_x_space) *
j;
var 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));
mask_div.innerHTML = 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 //兼容IE9以下的透明度设置 //mask_div.style.border="solid #eee 1px";
mask_div.style.filter = "alpha(opacity=50)";
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);
}
}
maskElement.appendChild(oTemp);
}
watermark({
watermarl_element: "pagesContainer", //水印元素的id
watermark_txt: Forguncy.Page.getCell("user").getValue(), //水印内容 |
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