feat: 云平台添加水印

src/layouts/BasicLayout.js

@@ -17,6 +17,7 @@ import { WEB_GIS_TYPE } from '../constants';
 import SecurityLayout from './SecurityLayout';
 import Site from './Site';
 import layoutStyles from './BasicLayout.less';
+import { waterMark } from '../utils/mark';
 const ArcgisMap = React.lazy(() => import('../pages/map/arcgis'));
 const AMap = React.lazy(() => import('../pages/map/amap'));
 const CesiumMap = React.lazy(() => import('../pages/map/cesiumMap'));
@@ -239,6 +240,18 @@ const Layout = props => {
     };
   }, []);
 
+  useEffect(() => {
+    const needMark = () =>
+      (props.global.isHaveMark || window.location.origin.replace(/^(http|https):\/\//, '') === 'panda-water.cn') &&
+      document.querySelectorAll('.pandawatermark_mask_div').length <= 0 &&
+      props.global.userInfo
+    if(needMark()) {
+      waterMark({
+        watermark_txt: `${props.global.userInfo.fullName}（${props.global.userInfo.loginName}）`
+      });
+    }
+  }, [props.global, props.global.userInfo]);
+
   const handleUpdateCurrentIndex = index => {
     props.updateCurrentIndex(index);
     window.share && window.share.event.emit('trigger:updateMenuIndex', index);

src/utils/mark.js

+
+// 添加水印方法
+export const waterMark = function(settings = {}) {
+    //默认设置
+    var defaultSettings = {
+        watermark_txt: settings.watermark_txt || "",
+        watermark_x: 100, //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: 200, //水印x轴间隔
+        watermark_y_space: 150, //水印y轴间隔
+        watermark_color: '#aaa', //水印字体颜色
+        // watermark_color: 'red', //水印字体颜色
+        watermark_alpha: 0.2, //水印透明度
+        watermark_fontsize: '16px', //水印字体大小
+        watermark_font: '微软雅黑', //水印字体
+        watermark_width: 200, //水印宽度
+        watermark_height: 160, //水印长度
+        watermark_angle: 330 //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 (let 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();
+
+    //获取页面最大宽度
+    var page_width = Math.max(document.body.scrollWidth, document.body.clientWidth);
+    var cutWidth = page_width * 0.0150;
+    var page_width = page_width - cutWidth;
+    //获取页面最大高度
+    var page_height = Math.max(document.body.scrollHeight, document.body.clientHeight) + 450;
+    // var 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));
+    }
+    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;
+
+            let watermark_mask_div = document.createElement('div');
+            watermark_mask_div.id = 'pandawatermark_mask_div' + i + j;
+            watermark_mask_div.className = 'pandawatermark_mask_div';
+            watermark_mask_div.appendChild(document.createTextNode(defaultSettings.watermark_txt));
+            //设置水印div倾斜显示
+            watermark_mask_div.style.webkitTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
+            watermark_mask_div.style.MozTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
+            watermark_mask_div.style.msTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
+            watermark_mask_div.style.OTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
+            watermark_mask_div.style.transform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
+            watermark_mask_div.style.visibility = "";
+            watermark_mask_div.style.position = "absolute";
+            watermark_mask_div.style.left = x + 'px';
+            watermark_mask_div.style.top = y + 'px';
+            watermark_mask_div.style.overflow = "hidden";
+            watermark_mask_div.style.zIndex = "10000";
+            watermark_mask_div.style.pointerEvents = 'none'; //pointer-events:none  让水印不遮挡页面的点击事件
+            //watermark_mask_div.style.border="solid #eee 1px";
+            watermark_mask_div.style.opacity = defaultSettings.watermark_alpha;
+            watermark_mask_div.style.fontSize = defaultSettings.watermark_fontsize;
+            watermark_mask_div.style.fontFamily = defaultSettings.watermark_font;
+            watermark_mask_div.style.color = defaultSettings.watermark_color;
+            watermark_mask_div.style.textAlign = "center";
+            watermark_mask_div.style.width = defaultSettings.watermark_width + 'px';
+            watermark_mask_div.style.height = defaultSettings.watermark_height + 'px';
+            watermark_mask_div.style.display = "flex";
+            watermark_mask_div.style.alignItems='center';
+            watermark_mask_div.style.justifyContent='center';
+            oTemp.appendChild(watermark_mask_div);
+            var img = document.createElement('img');
+            img.src='/web4/assets/images/logo/单独图案-蓝绿色.svg';
+            img.style.marginRight='10px'
+            img.style.width='44px'
+            img.style.height='24px'
+            img.style.marginRight='10px'
+            img.style.opacity='0.4'
+            watermark_mask_div.prepend(img)
+        };
+    };
+    document.body.appendChild(oTemp);
+}
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