myeclipse 2017 CI 中如何修改Servlet模板

　　在实际开发中，这些生成的代码和注释一般我们都用不到的，每次都要手工删除这些注释和代码，很麻烦，因此可以根据开发的实际情况修改Servlet的模板代码，改成符合实际开发需求的模板代码。

下面以MyEclipse 2017为例进行说明如何修改Servlet的模板代码，具体步骤如下：

　　找到 MyEclipse 2017 CI 安装目录下的 plugins 文件夹，比如我的：D:\learn\Java\MyEclipse\MyEclipse 2017 CI\plugins，然后找到 com.genuitec.eclipse.wizards_13.0.0.me201612231634.jar 这个jar文件，

　　打开 com.genuitec.eclipse.wizards_13.0.0.me201612231634.jar 这个jar文件后，可以看到里面有一个 templates 文件夹，进入 templates 文件夹，可以看到里面有一个 Servlet.java 文件。

　　修改里面的代码：删除 doGet 和 doPost 里面的代码和方法注释，在 doPost 方法里面调用 doGet ，这是根据实际情况修改成的模板代码，修改好之后，保存，重启 MyEclipse 2017 CI，使用MyEclipse创建Servlet，此时就是用刚才修改过的模板进行生成了。

　　(注意：在 MyEclipse 10 安装目录下的 \Common\plugins文件夹 ，注意文件夹的不同哦！)

　　<aw:import>　　表示的是要导入的包，

　　<aw:parentClass>　　表示该servlet继承的父类，

　　<aw:constructor　　表示的是构造器，

　　<aw:method 　　表示的是方法的声明，　　

　　新的 Servlet.java 文件中的内容如下：

#---------------------------------------------#
# <aw:description>Template for Servlet</aw:description>
# <aw:version>1.1</aw:version>
# <aw:date>04/05/2003</aw:date>
# <aw:author>Ferret Renaud</aw:author>
#---------------------------------------------#<aw:import>java.io.IOException</aw:import>
<aw:import>java.io.PrintWriter</aw:import><aw:import>javax.servlet.ServletException</aw:import>
<aw:import>javax.servlet.http.HttpServlet</aw:import>
<aw:import>javax.servlet.http.HttpServletRequest</aw:import>
<aw:import>javax.servlet.http.HttpServletResponse</aw:import><aw:parentClass>javax.servlet.http.HttpServlet</aw:parentClass><aw:constructor name="c1">public <aw:className/>() {super();}</aw:constructor> <aw:method name="doGet">public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {}</aw:method><aw:method name="doPost">public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {doGet(request,response);}</aw:method>

示例 XxxServlet.java 文件

 1 package com.itheima.product.web.servlet;
 2
 3 import java.io.IOException;
 4
 5 import javax.servlet.ServletException;
 6 import javax.servlet.http.HttpServlet;
 7 import javax.servlet.http.HttpServletRequest;
 8 import javax.servlet.http.HttpServletResponse;
 9
10 public class PayOnlineServlet extends HttpServlet {
11
12     @Override
13     public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
14
15     }
16
17     @Override
18     public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
19         doGet(request, response);
20     }
21
22 }

XxxServlet.java

附上：旧的 Servlet.java 文件中的内容如下：

#---------------------------------------------#
# <aw:description>Template for Servlet</aw:description>
# <aw:version>1.1</aw:version>
# <aw:date>04/05/2003</aw:date>
# <aw:author>Ferret Renaud</aw:author>
#---------------------------------------------#<aw:import>java.io.IOException</aw:import>
<aw:import>java.io.PrintWriter</aw:import><aw:import>javax.servlet.ServletException</aw:import>
<aw:import>javax.servlet.http.HttpServlet</aw:import>
<aw:import>javax.servlet.http.HttpServletRequest</aw:import>
<aw:import>javax.servlet.http.HttpServletResponse</aw:import><aw:parentClass>javax.servlet.http.HttpServlet</aw:parentClass><aw:constructor name="c1">/*** Constructor of the object.*/public <aw:className/>() {super();}</aw:constructor> <aw:method name="doGet">/*** The doGet method of the servlet. <br>** This method is called when a form has its tag value method equals to get.* * @param request the request send by the client to the server* @param response the response send by the server to the client* @throws ServletException if an error occurred* @throws IOException if an error occurred*/public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {response.setContentType("text/html");PrintWriter out = response.getWriter();out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");out.println("<HTML>");out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");out.println("  <BODY>");out.print("    This is ");out.print(this.getClass());out.println(", using the GET method");out.println("  </BODY>");out.println("</HTML>");out.flush();out.close();}</aw:method><aw:method name="doPost">/*** The doPost method of the servlet. <br>** This method is called when a form has its tag value method equals to post.* * @param request the request send by the client to the server* @param response the response send by the server to the client* @throws ServletException if an error occurred* @throws IOException if an error occurred*/public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {response.setContentType("text/html");PrintWriter out = response.getWriter();out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");out.println("<HTML>");out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");out.println("  <BODY>");out.print("    This is ");out.print(this.getClass());out.println(", using the POST method");out.println("  </BODY>");out.println("</HTML>");out.flush();out.close();}</aw:method><aw:method name="doPut">/*** The doPut method of the servlet. <br>** This method is called when a HTTP put request is received.* * @param request the request send by the client to the server* @param response the response send by the server to the client* @throws ServletException if an error occurred* @throws IOException if an error occurred*/public void doPut(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {// Put your code here
    }</aw:method><aw:method name="doDelete">/*** The doDelete method of the servlet. <br>** This method is called when a HTTP delete request is received.* * @param request the request send by the client to the server* @param response the response send by the server to the client* @throws ServletException if an error occurred* @throws IOException if an error occurred*/public void doDelete(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {// Put your code here
    }</aw:method><aw:method name="init">/*** Initialization of the servlet. <br>** @throws ServletException if an error occurs*/public void init() throws ServletException {// Put your code here
    }</aw:method><aw:method name="destroy">/*** Destruction of the servlet. <br>*/public void destroy() {super.destroy(); // Just puts "destroy" string in log// Put your code here
    }</aw:method><aw:method name="getServletInfo">/*** Returns information about the servlet, such as * author, version, and copyright. ** @return String information about this servlet*/public String getServletInfo() {return "This is my default servlet created by Eclipse";}</aw:method>

　　具体操作如下图所示：

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