R语言中有很多读取Excel文件的Package，如RODBC、xlsx、gdata、xlsReadWrite等，但都有很多缺点（依赖Java，依赖操作系统，列数限制、效率等等），而下面要介绍的两个包可以完美地解决这些问题。
知识点 openxlsx: simplifies the the process of writing and styling Excel xlsx files from R and removes the dependency on Java.readxl: Read Excel Files. Works on Windows, Mac and Linux without external dependencies.包安装 install.packages("openxlsx")install.packages("readxl")Read Excel file # readxl 自带的excel文件xls_file <- readxl::readxl_example("datasets.xls")xlsx_file <- readxl::readxl_example("datasets.xlsx")readxl::read_xls(xls_file)readxl::read_xlsx(xlsx_file)openxlsx::read.xlsx(xlsx_file)Write Excel file xlsx_file <- readxl::readxl_example("datasets.xlsx")df <- openxlsx::read.xlsx(xlsx_file)openxlsx::write.xlsx(df, file = "datasets.xlsx")Edit Excel fileopenxlsx 具有以下功能：
操作 WorkSheet操作 Cell & Style插入图片函数设置行高、列宽格式化等等Reference https://ycphs.github.io/openxlsx/index.htmlhttps://readxl.tidyverse.org/