Java 无法在servlet中解析参数
我正在尝试从jsp page-index.jsp获取凭据 在我的servlet LoginServletwhen包dao下我使用Java 无法在servlet中解析参数,java,jsp,servlets,Java,Jsp,Servlets,我正在尝试从jsp page-index.jsp获取凭据 在我的servlet LoginServletwhen包dao下我使用 String userName = request.getParameter(usrnm_gtalk); String password = request.getParameter(password_gtalk); 它说,usrnm_gtalk和password_gtalk无法解析 在我的jsp中 <form name="LoginForm" method=
String userName = request.getParameter(usrnm_gtalk);
String password = request.getParameter(password_gtalk);
它说,usrnm_gtalk
和password_gtalk
无法解析
在我的jsp中
<form name="LoginForm" method="post" action="/dao/LoginServlet>
<input type="text" name="usrnm_gtalk"/>
<input type="password" name="password_gtalk" />
您需要用双引号将它们表示为字符串,而不是不存在的变量(正如编译器试图告诉您的那样)
另见:
- -包含一个小小的hello world
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<servlet>
<description></description>
<display-name>LoginServlet</display-name>
<servlet-name>LoginServlet</servlet-name>
<servlet-class>dao.LoginServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>LoginServlet</servlet-name>
<url-pattern>/Login</url-pattern>
</servlet-mapping>
String userName = request.getParameter("usrnm_gtalk");
String password = request.getParameter("password_gtalk");