filter问题
编写一个filter. 经过此filter的请求中，header里必须有PARA_TOKEN=[name] 才行，否则终止请求。[name]是你数据库中存储的名字
2017-07-31 16:04 已编辑 Java
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public class TestFillter implements Filter{ @Override public void destroy() { } @Override public void doFilter(ServletRequest arg0, ServletResponse arg1, FilterChain arg2) throws IOException, ServletException { HttpServletRequest request=(HttpServletRequest) arg0; HttpServletResponse response=(HttpServletResponse) arg1; String name=request.getHeader("PARA_TOKEN"); if(name!=null) { arg2.doFilter(request, response); return; } //否则返回主界面 response.sendRedirect(request.getContextPath()+"/"); } @Override public void init(FilterConfig arg0) throws ServletException { } }
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