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HttpServletResponse response = ServletActionContext.getResponse();
response.setContentType("text/html;charset=UTF-8");
response.setCharacterEncoding("UTF-8");//防止弹出的信息出现乱码
PrintWriter out = null;
try {
out = response.getWriter();
out.print("<script>alert('抱歉，您的链接已失效，您可以返回首页重新申请')</script>");
out.print("<script>window.location.href='/index.action'</script>");
out.flush();
out.close();
} catch (IOException e) {
e.printStackTrace();
}
附：
if(***){//表单提交
PrintWriter out = null;
try {
out = response.getWriter();
out.println(Items);//可以是一个自动提交的表单
out.flush();
out.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}else{
response.sendRedirect(Items);//url地址发送
}
return null;