版权声明： https://blog.csdn.net/weixin_41722928/article/details/85265947
formatter
{
name: '生物质',
type: 'bar',
stack: '能源',
barWidth: '80%',
label: {
normal: {
show: true,
position: 'insideRight',
formatter:function(params){
if (params.value > 0) {
return params.value;
}else{
return "";
}
}
}
},