Question

java web 怎么添加expires 表头

Answer 1

JSP / Servlet 的那个 HttpServletResponse.setHeader("expires", "36000");

http://docs.oracle.com/javaee/6/api/javax/servlet/http/HttpServletResponse.html#setHeader(java.lang.String, java.lang.String)

Answer 2

JSP / Servlet 的那个 HttpServletResponse.setHeader("expires", "36000");

http://docs.oracle.com/javaee/6/api/javax/servlet/http/HttpServletResponse.html#setHeader(java.lang.String, java.lang.String)

Answer 3

JSP / Servlet 的那个 HttpServletResponse.setHeader("expires", "36000");

http://docs.oracle.com/javaee/6/api/javax/servlet/http/HttpServletResponse.html#setHeader(java.lang.String, java.lang.String)

Answer 4

数字在里面也是字符串啊，你说的错误是更新失败虚拟机报错还是其他错误？如果是虚拟机报错把错误代码贴出来