效果图如下所示: 废话不多说了,直接给大家贴js代码了. <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>table切换</title> <style type="text/css"> *{ padding: } button{ width: 95px; } .active { background-color: yellow; } #wrap{ width:510px; overflow: hidden; margin: