function watermark(settings) {
    //默认设置
    var defaultSettings={
        watermarl_element:"body",
        watermark_txt:"",
        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:2000,//水印行数
        watermark_cols:2000,//水印列数
        watermark_x_space:70,//水印x轴间隔
        watermark_y_space:30,//水印y轴间隔
        watermark_color:'#aaa',//水印字体颜色
        watermark_alpha:0.4,//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:300,//水印宽度
        watermark_height:200,//水印长度
        watermark_angle:0,//水印倾斜度数
        watermark_num:0
    };
    //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);
    var page_width = $(window).width();

    //获取页面最大高度
    //var page_height = Math.max(maskElement.scrollHeight, maskElement.clientHeight);
    var page_height = $(window).height();

    //角度
    var watermark_angle = 360 * Math.atan(page_height / page_width) / (2 * Math.PI)

    //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;
    if (defaultSettings.watermark_num == 0) {
        for (var i = 0; i < defaultSettings.watermark_cols - 2; i++) {
            y = defaultSettings.watermark_y + (defaultSettings.watermark_y_space + defaultSettings.watermark_height) * i;
            for (var j = 0; j < defaultSettings.watermark_cols - 1; 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(-" + watermark_angle + "deg)";
                mask_div.style.MozTransform = "rotate(-" + watermark_angle + "deg)";
                mask_div.style.msTransform = "rotate(-" + watermark_angle + "deg)";
                mask_div.style.OTransform = "rotate(-" + watermark_angle + "deg)";
                mask_div.style.transform = "rotate(-" + watermark_angle + "deg)";
                mask_div.style.visibility = "";
                mask_div.style.position = "absolute";
                mask_div.style.left = (x + 50) + 'px';
                mask_div.style.top = (y + 50) + '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.border="solid #eee 1px";　　　　　　　　　　//兼容IE9以下的透明度设置                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.paddingTop = "10px";
                mask_div.style.display = "block";
                mask_div.style["word-break"] = "break-all";
                mask_div.style["word-wrap"] = "break-word";
                oTemp.appendChild(mask_div);
            };
        }
    } else {
        var xi = 0, yi = -1, xt = Math.round(window.innerWidth / (defaultSettings.watermark_x + (defaultSettings.watermark_width + defaultSettings.watermark_x_space)))
        for (var i = 0; i < defaultSettings.watermark_num; i++) {
            xi = i % xt;
            if (xi == 0) {
                yi = yi + 1;
            } 
            x = defaultSettings.watermark_x + (defaultSettings.watermark_width + defaultSettings.watermark_x_space) * xi;
            y = defaultSettings.watermark_y + (defaultSettings.watermark_y_space + defaultSettings.watermark_height) * yi;
            var mask_div = document.createElement('div');
            mask_div.id = 'mask_div' + i;
            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(-" + watermark_angle + "deg)";
            mask_div.style.MozTransform = "rotate(-" + watermark_angle + "deg)";
            mask_div.style.msTransform = "rotate(-" + watermark_angle + "deg)";
            mask_div.style.OTransform = "rotate(-" + watermark_angle + "deg)";
            mask_div.style.transform = "rotate(-" + watermark_angle + "deg)";
            mask_div.style.visibility = "";
            mask_div.style.position = "absolute";
            mask_div.style.left = (x + 50) + 'px';
            mask_div.style.top = (y + 50) + '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.border="solid #eee 1px";　　　　　　　　　　//兼容IE9以下的透明度设置                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.paddingTop = "10px";
            mask_div.style.display = "block";
            mask_div.style["word-break"] = "break-all";
            mask_div.style["word-wrap"] = "break-word";
            oTemp.appendChild(mask_div);
        }
    }
    maskElement.appendChild(oTemp);
}
$.ajax({
    type: "post",
    url: apiurljs.login + "g2app/dataabase/queryDataByCol",
    contentType: "application/json",
    headers: {
        Authorization: "Bearer " + localStorage.getItem("GlWorkPlatform-AccessToken"),
    },
    dataType: "json",
    data: JSON.stringify({
        data: s4.encryptData_CBC(JSON.stringify({
            tablename: "SHUIYIN",
            colums: "*",
            order: "ID",
            sqlwhere: { SORTID: 1 },
            sqlinwhere: "",
            sqllikewhere: ""
        }))
    }),
    success: (function (obj) {
        var res = strToJson(s4.decryptData_CBC(obj.data));
        console.log(res)
        if (res.data.length != 0) {
            if (res.data[0].STATUS == "true") {
                watermark({
                    "watermarl_element": "app",
                    "watermark_txt": s4.encryptData_CBC(res.data[0].CNAME + ($.cookie("GlWorkPlatform-chineseName") != null ? " " + $.cookie("GlWorkPlatform-chineseName") + " " : " ") + sp.myIP()),
                    "watermark_width": 300,
                    "watermark_height": 200,
                    "watermark_num": parseInt(res.data[0].SHULIANG)
                })
            }
            $("head").append("<style> html,body{overflow:hidden !important;}</style>")
        }
    })
})