开发环境 tomcat7.0,MyEclipse 10
1、建一个简单的Web Project ,项目名jspServlet;
2、在src目录下建一个package ,为com.fandy.servlet,并在该包底下键相应的servlet,
3、servlet的相关代码,部分代码已省略,只记录主要代码:
public class RegisterServlet extends HttpServlet{
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
String uname=request.getParameter("uname");
String pwd=request.getParameter("pwd");
String cpwd=request.getParameter("comPwd");
response.sendRedirect("../index.jsp");
}
}
4、jsp相关的代码
<form action="register.do" method="post">
<div>
<label>用户名:</label>
<input type="text" id="uname" name="uname">
</div>
<div>
<label>密码:</label>
<input type="password" id="pwd" name="pwd">
</div>
<div>
<label>确认密码:</label>
<input type="password" id="comPwd" name="comPwd">
</div>
<div>
<input type="submit" value="提交">
</div>
</form>
5、在WEB-INFO的web.xml,修改相关配置
<servlet>
<servlet-name>RegisterServlet</servlet-name>
<servlet-class>com.fandy.servlet.RegisterServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>RegisterServlet</servlet-name>
<url-pattern>/register.do</url-pattern>
</servlet-mapping>
6、web.xml的相关配置说明
<url-parttern>/xxx</url-parttern>:精确匹配,如<url-parttern>/helloServlet</url-parttern>;
<url-parttern>/xxx/*</url-parttern>:路径匹配,如果没有精确匹配,对/xxx/路径的所有请求将由该Servlet进
行处理,如<url-parttern>/helloServlet/*</url-parttern>;
<url-parttern>*.do</url-parttern>:如果没有精确匹配和精确匹配,则所有.do扩展名的请求将由该Servlet处理;