part 这几句话是啥意思?part 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 第一句相当于从map中获取值的方式,这个Content-Disposition相当于是key,得到这个值赋值为:header字符串,然后,从这个字符串中截取一段出来,这一段的开始是碰到filename="的后面部分,到最后一个\符号为止 package cc.openhome;import java.io.BufferedReader;import java.io.IOException;import java.io.PrintWriter;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;@WebServlet("/body.view")public class BodyServlet extends HttpServlet { /** * */ private static final long serialVersionUID = 1L; protected void doGet(HttpServletRequest request,HttpServletResponse response)throws IOException ,ServletException{ request.setCharacterEncoding("UTF-8"); String body = readBody(request); PrintWriter out = response.getWriter(); out.println("<html>"); out.println("<head>"); out.println("<title>Servlet Bodyview</title>"); out.println("</head>"); out.println("<body>"); out.println(body); out.println("</body>"); out.println("</html>"); out.close(); } private String readBody(HttpServletRequest request)throws IOException{ BufferedReader reader = request.getReader(); String input=null; String requestBody=""; while((input =reader.readLine()) != null){ requestBody = requestBody + input +"<br>"; } return requestBody; } protected void doPost(HttpServletRequest request,HttpServletResponse response)throws IOException ,ServletException{ doGet(request,response); }}这是我的代码,具体就是用getReader()方法获取body的内容,然后如果你传上去的是个图片的话,它会有个标头:,那这个获取filename是从我的上传html里的路径得到的吗? 第一句从header中胡获取Content-Disposition这个key的value,然后从这个字符串中截取一段出来,这一段的开始是碰到filename="的后面部分,到最后一个\符号为止 。至于你说的filename,你可以从你的选择的url截图,也可以传到后台获取! 程序包出现错误,请帮忙解决呗 jpa OneToMany 不能级联删除 java里如何做异步通知机制 在java中如何从DOM中删除空的text节点 JavaEE 5 中,使用EntityManager的find方法时,总是报NullPointerException!!!??? 昨天去富士康面试遇到了一个试题,大家来看看 JTable 标题 struts关于标签库的问题 weblogic生成EAR时出错-100分解决了马上给。急! WEBService紧急问题? spring 注入属性报空指针 java匹配英文单词
import java.io.IOException;
import java.io.PrintWriter;import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;@WebServlet("/body.view")
public class BodyServlet extends HttpServlet {
/**
*
*/
private static final long serialVersionUID = 1L;
protected void doGet(HttpServletRequest request,HttpServletResponse response)throws
IOException ,ServletException{
request.setCharacterEncoding("UTF-8");
String body = readBody(request);
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<title>Servlet Bodyview</title>");
out.println("</head>");
out.println("<body>");
out.println(body);
out.println("</body>");
out.println("</html>");
out.close();
}
private String readBody(HttpServletRequest request)throws IOException{
BufferedReader reader = request.getReader();
String input=null;
String requestBody="";
while((input =reader.readLine()) != null){
requestBody = requestBody + input +"<br>";
}
return requestBody;
}
protected void doPost(HttpServletRequest request,HttpServletResponse response)throws
IOException ,ServletException{
doGet(request,response);
}
}
这是我的代码,具体就是用getReader()方法获取body的内容,然后如果你传上去的是个图片的话,它会有个标头:,那这个获取filename是从我的上传html里的路径得到的吗?
至于你说的filename,你可以从你的选择的url截图,也可以传到后台获取!