rigister.jsp





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function isValid(form){
    if(form.user_id.value==""){
        alert("µÇ¼Ãû²»ÄÜΪ¿Õ!");
return false;
    }
    else if((form.password.value.length8)){
        alert("ÃÜÂë±ØÐëÊÇ3-8λ×Öĸ»òÊý×Ö!");
return false;
    }
    else if(form.password.value!=form.re_password.value){
        alert("Á½´ÎÊäÈëµÄÃÜÂë²»Ïàͬ!");
return false;
    }
    else if ((form.e_mail.value=="")||(form.e_mail.value.indexOf('@',0)==-1)||(form.e_mail.value.indexOf('.',0)==-1)||(form.e_mail.value.length




Heylo,,Çë¼ì²éÄúµÄ×¢²áÐÅÏ¢




    µÇ¼Ãû£º
    


    ÃÜÂ룺
    (²»ÏÔʾ)


    E-mail£º
    


    qq£º
    




      
    






产生如下错误：

/wangzhan/register_confirm.jsp:

null
java.lang.NullPointerException
at jrun__wangzhan__register_confirm2ejsp1e._jspService(jrun__wangzhan__register_confirm2ejsp1e.java:61)
at allaire.jrun.jsp.HttpJSPServlet.service(HttpJSPServlet.java:40)
at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1013)
at allaire.jrun.servlet.JRunSE.runServlet(JRunSE.java:925)
at allaire.jrun.servlet.JRunNamedDispatcher.forward(JRunNamedDispatcher.java:34)
at allaire.jrun.jsp.JSPServlet.service(JSPServlet.java:174)
at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1013)
at allaire.jrun.servlet.JRunSE.runServlet(JRunSE.java:925)
at allaire.jrun.servlet.JRunRequestDispatcher.forward(JRunRequestDispatcher.java:88)
at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1131)
at allaire.jrun.servlet.JvmContext.dispatch(JvmContext.java:330)
at allaire.jrun.http.WebEndpoint.run(WebEndpoint.java:107)
at allaire.jrun.ThreadPool.run(ThreadPool.java:267)
at allaire.jrun.WorkerThread.run(WorkerThread.java:74)

String name1=request.getParameter("user_id");
  String password=request.getParameter("password");
  String e_mail=request.getParameter("e_mail");
  String qq=request.getParameter("qq");
  String sql="select * from shadeuser where name='" + name1 + "'";
  ResultSet rs = RegisterBean.executeQuery(sql); 

这些变量中有的没有初始化成功