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前面 写过一篇servlet,配置有点麻烦。
1 eclipse右键新建servlet
一般只勾选这两个
2
左上角的这个选项 勾选的话会自动在xml中生成 注册信息和 映射信息。
代码如下:
其中 doGet方法中调用dopost方法可以避免405漏洞(服务器端无法处理前端发过来的get请求)
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class BServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request,response);
System.out.println("doget方法被执行");
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
response.setContentType("text/html;charset=utf-8");
/// ,,,,
System.out.println("dopost方法被执行");
}
}
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