参考
# 安装水印包
npm install vue2-water-marker
// 在main.js上引入
import waterMarker from "vue2-water-marker"
Vue.use(waterMarker)
//在页面中使用
<vue2-water-marker :text="markerMsg" :zIndex="6000" :opacity="0.3"></vue2-water-marker>
created() {
let date = new Date();
let year = date.getFullYear().toString().padStart(4, "0");
let month = (date.getMonth() + 1).toString().padStart(2, "0");
let day = date.getDate().toString().padStart(2, "0");
let today = year + "-" + month + "-" + day;
this.markerMsg = JSON.parse(localStorage.getItem("user")).staffName + " xxg公司 " + today;
}

