npm i elesigncode --save-dev

import EleSign from "elesigncode"
    var ele = document.getElement("xxx");
    var eleSign = new EleSign();//实例化对象
    eleSign.init(); //初始化
    eleSign.moutedEle(ele) //将签名节点放入到传入的element节点中

var ele = document.getElement("xxx"); 
    var eleSign = new EleSign();//实例化对象
    eleSign.init(); //初始化
    eleSign.moutedEle(ele) //将签名节点放入到传入的element节点中

$.fn.EleSign = function(option){
        this.each(function(){
            var eleSign = new EleSign(option);//实例化对象
            eleSign.init(); //初始化
            eleSign.moutedEle(this); //将签名节点放入到传入的element节点中
            //给节点扩展方法好获取电子签名实例对象
            this.getEleSign = function(){
                return eleSign;
            }
        });
        return this;
    }
    //这样我们就可以使用jq的方法来实例化我们的对象了
    $("#xxx").EleSign({
        color:"#ccc"
    });

import penCall from "./../untils/penCall" //这里的文件可以打开查看
        main.addPen("default", "", penCall.default.penCall, function () {
            loadIndex++
            if (loadIndex === 2) {
                self.draw.unlock();
            }
        });
        main.addPen("writing", penUrl.writing, penCall.writing.penCall, function () {
            loadIndex++
            if (loadIndex === 2) {
                self.draw.unlock();
            }
        }, penCall.writing.start, penCall.writing.move, penCall.writing.end);

cnpm i
 npm run dev