报错如下....."addDoc2.jsp": message is already defined in _jspService(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)"userDis2.jsp": reference to print is ambiguous, both method print(char[]) in javax.servlet.jsp.JspWriter and method print(java.lang.String) in javax.servlet.jsp.JspWriter match
提示message 已经被定义了...具体是什么靠你自己找了.
"userDis2.jsp": reference to print is ambiguous, both method print(char[]) in javax.servlet.jsp.JspWriter and method print(java.lang.String) in javax.servlet.jsp.JspWriter match
print(**)里传进去的东西既可以是数组又可以是字符串.编译器找不到该使用哪个方法.
这个又是什么意思?
一个是没引入JAVABEAN。。