servlet之doGet,doPost方法

ゝ一纸荒年。 2024-05-23 14:11 76阅读 0赞

### servlet之doGet,doPost方法 ###

1、servlet之doGet  
前端页面代码：

![在这里插入图片描述][e97b59e563354bb9a39b0bc5efea981c.png]  
后端servlet代码：

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        
            response.setCharacterEncoding("utf-8");
            response.setContentType("text/html;charset=UTF-8");
            request.setCharacterEncoding("utf-8");
            String show = request.getParameter("kw");       //获取提交过来的文本内容
            response.getWriter().write("this is get method");

![在这里插入图片描述][5d70846393524c808b7ddff0b40b641f.png]  
1、servlet之doPost  
前端页面代码：

前端页面：  
![在这里插入图片描述][d1c999251e624296bb500cdca45f9286.png]servlet代码：

response.setCharacterEncoding("utf-8");
            response.setContentType("text/html;charset=UTF-8");
            request.setCharacterEncoding("utf-8");
            String show = request.getParameter("kw");       //获取提交过来的文本内容
            response.getWriter().write("this is post method");
            response.getWriter().write(show);   //打印输入的内容

![在这里插入图片描述][7e8a4ac311fd412981fbaddbb71faa7c.png]

[e97b59e563354bb9a39b0bc5efea981c.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/05/23/17d3c13ebef04ecb9daee7ec149ea38f.png
[5d70846393524c808b7ddff0b40b641f.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/05/23/7109d90685c74eb99c45e201516fa0bd.png
[d1c999251e624296bb500cdca45f9286.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/05/23/cf7a6bd803b8486794ef47c536641369.png
[7e8a4ac311fd412981fbaddbb71faa7c.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/05/23/2ac1044b98dd4ee8b1bdf6e59fd985ad.png