如http://localhost:8080/bookstore/list.jsp?booktype=所有书籍
String booktype="";
booktype=request.getParameter("booktype");
<%=booktype%>就输出一堆问号什么的?
请问什么原因?
String booktype="";
booktype=request.getParameter("booktype");
<%=booktype%>就输出一堆问号什么的?
请问什么原因?
booktype=new String(request.getParameter("booktype").getBytes(),"UTF-8");
如果是那个加上下面的代码就应该没什么问题了
request.setCharacterEncoding("gb2312");
String title2 =new String(request.getParameter("booktype").getBytes("ISO-8859-1"),"GBK");
String title1 =new String(request.getParameter("booktype").getBytes("ISO-8859-1"),"utf-8");
或者
String title1 =new String(request.getParameter("booktype").getBytes("gb2312"),"utf-8");多试几次 看看那个可以取到值