初始化项目

public/util/screen/screen.css

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+.el-tip {
+    position: fixed;
+    left: 50%;
+    top: 50%;
+    width: 500px;
+    padding: 8px 16px;
+    margin: 0;
+    margin-left: -250px;
+    margin-top: -60px;
+    box-sizing: border-box;
+    border-radius: 4px;
+    position: relative;
+    background-color: #fff;
+    overflow: hidden;
+    opacity: 1;
+    display: flex;
+    align-items: center;
+    transition: opacity .2s;
+}
+
+.el-tip--warning {
+    background-color: #fdf6ec;
+    color: #e6a23c;
+}
+
+.el-tip__title {
+    line-height: 18px;
+}
+.el-tip_img img{
+    width: 80px;
+    height: 80px;
+}

public/util/screen/screen.js

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+function util() {
+    this.flag = true;
+    var body = document.body;
+    var safe = this;
+    var validVersion = function() {
+        var browser = navigator.appName
+        var b_version = navigator.appVersion
+        var version = b_version.split(";");
+        var trim_Version = version[1].replace(/[ ]/g, "");
+        if (trim_Version == 'WOW64') {
+            safe.flag = false
+        } else if (browser == "Microsoft Internet Explorer" && trim_Version == "MSIE6.0") {
+            safe.flag = false
+        } else if (browser == "Microsoft Internet Explorer" && trim_Version == "MSIE7.0") {
+            safe.flag = false
+        } else if (browser == "Microsoft Internet Explorer" && trim_Version == "MSIE8.0") {
+            safe.flag = false
+        } else if (browser == "Microsoft Internet Explorer" && trim_Version == "MSIE9.0") {
+            safe.flag = false
+        }
+    }
+    this.setBody = function() {
+        var str = '<div class="el-tip el-tip--warning" id="tip">' +
+            '<div class="el-tip_content">' +
+            '<span class="el-tip__title">' +
+            '您乘坐的浏览器版本太低了,你可以把浏览器从兼容模式调到极速模式' +
+            '<br /> 实在不行就换浏览器吧;' +
+            '</span>' +
+            '<div class="el-tip_img">' +
+            '<img src="/manage/util/screen/huohu.png" alt="">' +
+            '<img src="/manage/util/screen/guge.png" alt="">' +
+            '</div>' +
+            '</div>' +
+            '</div>';
+        body.innerHTML = str + body.innerHTML
+    }
+    this.init = function() {
+        validVersion(); //检测浏览器的版本
+        return this;
+    }
+}
+
+var creen = new util().init();
+var flag = creen.flag;
+if (!flag) {
+    creen.setBody();
+}