package priv.lwx.javaex.servlet_demo.web.servletcontext;
/*** 获取MIME类型** @author liaowenxiong* @date 2022/1/12 15:34*/import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.annotation.*;
import java.io.File;
import java.io.IOException;@WebServlet("/servlet_context_demo01")
public class ServletContextDemo01 extends HttpServlet {@Overrideprotected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {this.doPost(request, response);}@Overrideprotected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {File file = new File("druid.properties");String name = file.getName();System.out.println(name);ServletContext context = this.getServletContext();String mimeType = context.getMimeType(name);System.out.println(mimeType); // 结果为null，properties文件没有对应的MIME类型String name1 = "a.jpeg";String mimeType1 = context.getMimeType(name1);System.out.println(mimeType1); // 结果为image/jpeg}
}