我是菜鸟一枚,求大神帮忙!我的index.jsp页面可以出来,但是一提交就出问题:HTTP Status 404 - /HelloServlet/HelloServlet
下面是我的web.xml代码:
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/2002/xmlspec/dtd/2.10/xmlspec.dtd">
<document>
<!--Servlet声明 -->
<servlet>
<!-- Servlet的名称 -->
<servlet-name>HelloServlet</servlet-name>
<!-- Servlet类名 -->
<servlet-class>ccnu.zhaop.servlet.util.HelloServlet</servlet-class>
</servlet>
<!-- Servlet映射 -->
<servlet-mapping>
<!-- Servlet名称 -->
<servlet-name>HelloServlet</servlet-name>
<!--Servlet映射URL地址 -->
<url-pattern>/HelloServlet</url-pattern>
</servlet-mapping>
</document>
下面是我的Helloservlet.java代码
public class HelloServlet extends HttpServlet{
private static final long serialVersionUID = 1L;
//处理get请求
protected void doGet(HttpServletRequest request,
HttpServletResponse response)throws ServletException,IOException{
doPost(request,response);
}
//处理POST请求
protected void doPost(HttpServletRequest request,
HttpServletResponse response)throws ServletException,IOException{
request.setCharacterEncoding("UTF-8");
response.setContentType("text/html;charset=UTF-8");
String name = request.getParameter("name");
PrintWriter writer = response.getWriter();
if(name!=null){
writer.write("Hello"+name+"!");
}
writer.flush();
writer.close();
}
}
下面是我的index.jsp的代码:
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<form action="HelloServlet" method="Post">
<p>请输入你的姓名:<input type="text" name="name"></p>
<p><input type="submit" value="提交"></p>
</form>
</body>
</html>
这是我的项目结构