네트워크응용 Spring 업로드 웹사이트

Posted by PeEn

2020. 4. 20. 14:08 Programing/Web Programming

build

group 'io.goorm'
version '0.0.1'

buildscript{
    repositories{
        jcenter();
    }
    dependencies{
        classpath 'org.akhikhl.gretty:gretty:+'
    }
}

apply plugin: 'java'
apply plugin: 'org.akhikhl.gretty'
apply plugin: 'war'

sourceCompatibility = 1.8
targetCompatibility = 1.8

compileJava.options.encoding = 'UTF-8'


repositories {
    mavenCentral()
}

dependencies {
    providedCompile 'javax.servlet:javax.servlet-api:3.1.0'
    testCompile group: 'junit', name: 'junit', version: '4.12'
    
}
def webappDir = "$rootDir/src/main/webapp"

gretty{
    httpPort = 8080
    contextPath = "/"
    servletContainer = "jetty9"
}

upload.html

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8"/>
        <title>FILE UPLOAD</title>
        
    </head>
    
    <body>
        <h1>
            FILE UPLOAD
        </h1>
        <form method="post" action="upload" enctype="multipart/form-data">
            업로드 할 파일 선택 : <input type="file" name="fileupload" id="fileupload"/>
            <input type="submit" value="파일전송"/>
        </form>
        
    </body>
</html>

UploadServlet.java

package iotnetwork;

import java.io.IOException;
import java.rmi.ServerException;

import javax.servlet.annotation.MultipartConfig;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.Part;

@WebServlet(name="UploadServlet",urlPatterns = {"/upload"})
@MultipartConfig(
    fileSizeThreshold = 1024 * 1024 *2, //1MB
    maxFileSize = 1024 * 1024 * 10, //10MB/
    maxRequestSize = 1024 * 1024 * 30,
    location = "/workspace/IoTNetwork/src/main/webapp/upload"
)
public class UploadServlet extends HttpServlet{
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse res)throws ServerException, IOException{
        res.setContentType("text/html");
        req.setCharacterEncoding("UTF-8");
        res.setCharacterEncoding("UTF-8");
        
        //multipart/form-data 는  HttpServletRequest의 part형태로 전달
        try{
            final Part filePart = req.getPart("fileupload");
        //파일 이름
            final String fileName = getFileName(filePart);
            System.out.println(fileName);
        
        }catch(Exception e){
            System.out.println("Error Upload");
        }
 
    }
    
    private String getFileName(final Part part){
        final String partHeader = part.getHeader("content-disposition");
        System.out.println(part.getSize()+", name:"+part.getName());
        System.out.println(partHeader);
        for(String content: part.getHeader("content-disposition").split(";")){
            if(content.trim().startsWith("filename")){
                return content.substring(content.indexOf("=")*1).trim().replace("\"","");
            
            }
        }
        return null;
    }
}

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