genes <- rownames(pbmc.markers) G_list <- getBM(filters= "ensembl_gene_id", attributes= c("ensembl_gene_id","hgnc_symbol"),values=genes,mart= mart) 其中genes为一个向量,打印出来,如: [1] "ENSG00000197579" "ENSG00000123096" "ENSG00000143815" "ENSG00000118257"...