echarts toolbox 自定义工具

toolbox: {
        show : true,
        feature : {
            lineButtons:{//自定义按钮 danielinbiti,这里增加，lineButtons可以随便取名字  
                   show:true,//是否显示  
                   title:'折线图切换', //鼠标移动上去显示的文字  
                   icon:'../../p_w_picpaths/line_1.png', //图标  
                   option:{},  
                    {//点击事件,这里的option1是chart的option信息  
                    opt1.series.forEach(function(e) {
             e.type = "line";
             e.stack = null;
             });
                    chart.setOption(opt1);
                   }  
             },
             barButtons:{//自定义按钮 danielinbiti,这里增加，barButtons可以随便取名字  
                   show:true,//是否显示  
                   title:'柱形图切换', //鼠标移动上去显示的文字  
                   icon:'../../p_w_picpaths/bar_1.png', //图标  
                   option:{},  
                    {//点击事件,这里的option1是chart的option信息  
                         console.log(opt2);
                         opt2.series.forEach(function(e) {
             e.type = "bar";
             if(e.name != capName){
             e.stack = "线路电量";
             }
              });
                         chart.setOption(opt2);
                   }  
             }
        }
    },