//let a = [{"name":"在库","value":1021,"bfb":"1.00"},{"name":"出库","value":2,"bfb":"0.00"},{"name":"维修","value":0,"bfb":"0.00"},{"name":"报废","value":0,"bfb":"0.00"}];
//let a = [{"name":"在库","value":1021,"bfb":"1.00"},{"name":"出库","value":2,"bfb":"0.00"},{"name":"维修","value":0,"bfb":"0.00"},{"name":"报废","value":0,"bfb":"0.00"}];