StringfileName=realPath.substring(realPath.lastIndexOf("\\")+1);//获取最后一个\再加1就是文件名 //3,设置Content-Disposition resp.setHeader("Content-Disposition","attachment;filename="+URLEncoder.encode(fileName,"UTF-8") ); //4,获取输入流 FileInputStreamin=newFileInputStream(realPath); //...
然后新建一个servlet,名称为ServletDownload,URL映射为/ServletDownload 添加代码如下: package com.lsgjzhuwei.servlet.response; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import javax.servlet.Servlet...
http://xmlns.jcp.org/xml/ns/javaee/web-app_3_0.xsd" version="3.0"> <welcome-file-list> <welcome-file>/MyFirstServlet</welcome-file> </welcome-file-list> <servlet> <servlet-name>MyFirstServlet</servlet-name> <servlet-class>com.howtodoinjava.servlets.MyFirstServlet</servlet-class> </...
JavaWeb-使用ServletContext下载文件 代码如下: publicclassDownloadServletextendsHttpServlet { @OverrideprotectedvoiddoGet(HttpServletRequest req, HttpServletResponse resp)throwsServletException, IOException {//获取文件存放路径String filePath =this.getServletContext().getRealPath("/WEB-INF/classes/测试.txt");/...
Java Web学习总结(七)——HttpServletResponse对象(一) 服务器收到客户端的http请求,会针对每一次请求,分别创建一个用于代表请求的request对象、和代表响应的response对象。request和response对象即然代表请求和响应,那我们要获取客户机提交过来的数据,只需要找request对象就行了。要向客户机输出数据,只需要找response对象...
一、问题描述 IDEA中显示找不到javax.servlet. 二、解决方案 这是我们少了servlet-api.jar这个jar包(在tomcat的lib目录里面找) 三、解决步骤 1、打开Project Structure (你能看到servlet-api是因为我已经引入了) 2、先点击lib再点击上面的+号 3、选择Java,在打开的窗口中到tomcat的目录中找到servlet-api.jar ...
within Jakarta EE and Spring Boot.Specifically, we will look at two ways to register a Java Servlet in Jakarta EE — one using aweb.xmlfile, and the other using annotations. Then we’ll register servlets in Spring Boot using XML configuration, Java configuration, and through configurable ...
you want to compile them with different JDK releases. You can get JAF 1.2.0 Java Source Code Files from JAF GitHub Website in the "activation/src/main/java/" folder. You can also browse JAF 1.2.0 Client Source Code files below: Or download all of t...2023-01-06, ∼5485🔥, 0...
package com.leo.crazy;import java.io.InputStream;import java.io.RandomAccessFile;import java.net.HttpURLConnection;import java.net.URL;/** *下载 *download()方法负责按如下步骤来实现多线程下载。（1）创建URL对象。（2）获取指定URL对象所指向资源的大小（通过getContentLength()方法获得），此处用到了...
importjavax.servlet.ServletException;importjavax.servlet.annotation.WebServlet;importjavax.servlet.http.HttpServlet;importjavax.servlet.http.HttpServletRequest;importjavax.servlet.http.HttpServletResponse;importjava.io.IOException;@WebServlet("/download")publicclassFileDownloadServletextendsHttpServlet{@Overrideprotec...