> setwd("")
> library(openxlsx)
> library(ggvenn)
> data <- read.xlsx("韦恩图种2.xlsx")
data$P <- ifelse(data$P == 0, "F", "T")
data$N <- ifelse(data$N == 0, "F", "T")

> data <- as.data.frame(data)
> data <- as.data.frame(data)
> sapply(data, class)
    species           P           N 
"character"   "logical"   "logical" 
> data$P<- as.logical(data$P)
> data$N<- as.logical(data$N)

> head(data)
                 species    P     N
1     [Candida] glabrata TRUE FALSE
2 [Clostridium] innocuum TRUE  TRUE
3  [Haemophilus] ducreyi TRUE  TRUE
4  [Ruminococcus] gnavus TRUE  TRUE
5  Abiotrophia defectiva TRUE  TRUE
6 Acholeplasma laidlawii TRUE FALSE

> p1 <- ggvenn(data, c("P", "N"))
> p1

> p1 <- p1 + ggtitle("Species") +
+   theme(plot.title.position = "plot") +
+   theme(plot.title = element_text(hjust = 0.5))
> p1

> p1 <- p1 + theme(
+   text = element_text(size = 16)  # 设置字体大小为 16
+ )
> p1

#保存

ggsave("韦恩图.png", plot = p1, width = 10, height = 8, dpi = 150)

分辨率高了很多，这只是最基本的用法，想要画一个好图，得需要多次修改。