<%@ page contentType="text/html; charset=GBK" language="java" errorPage=""%> <!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>输出表达式</title> </head> <%! public int count = 0; public String info(){ return "hello"; } %> <body> <%=count++ %> <br /> <%=info() %> </body> </html>