1、先引入jquery.js 2、接着引入luhmCheck.js //银行卡号Luhm校验 3、看下面的案例: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>无标题页</title> <script