fileupload+zip+qrcode

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上传文件+解压+qrcode解析逻辑

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package com.esen.gxdc.action;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.lingala.zip4j.core.ZipFile;
import net.lingala.zip4j.model.FileHeader;

import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.junit.Test;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import com.esen.gxdc.util.DeletFileUtil;
import com.esen.gxdc.util.QrcodeUtil;
import com.esen.util.FileFunc;
import com.esen.util.StrFunc;
import com.esen.util.sso.util.StmFunc;
import com.esen.weblib.action.Action;

/**
 * @author fangjun
 * @method 文件上传逻辑代码
 */

@Controller
@RequestMapping("/jump2upload")
public class ActionUpload extends Action {

	@Override
	public String execute(HttpServletRequest req, HttpServletResponse res)
			throws Exception {
		String cmd = req.getParameter("cmd");
		if (StrFunc.isNull(cmd)) {
			return "gxdc/upload";
		} else if ("uploadimg".equals(cmd)) {
			return uploadimg(req, res);
		}

		return null;
	}

	@Test
	private String uploadimg(HttpServletRequest req, HttpServletResponse res)
			{
		// 获取本地上传的文件
		// (1)创建临时文件目录存上传的文件
		String tmpPath = System.getProperty("java.io.tmpdir") + "upload";
		File tmpFile=new File(tmpPath);
		if (!tmpFile.exists()) {
			try {
				tmpFile.createNewFile();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		try {

			boolean isMultipart = ServletFileUpload.isMultipartContent(req);
			// 1,声明DiskFileItemFactory工厂类，用于在指定磁盘上设置一个临时目录
			DiskFileItemFactory disk = new DiskFileItemFactory(1024 * 10,
					new File(tmpPath));
			// 2,声明ServletFileUpload，接收上边的临时文件。也可以默认值
			ServletFileUpload up = new ServletFileUpload(disk);
			// 解决路径或者文件名为乱码的问题
			up.setHeaderEncoding("UTF-8");
			// 3,解析request
			// req.setCharacterEncoding("UTF-8");
			List<FileItem> list = up.parseRequest(req);
			FileItem fileItem = list.get(0);
			// 解决获取的表单字段为乱码的问题
			// fileItem.getString("UTF-8");
			// (2)获得上传文件的inputStream对象
			InputStream in = fileItem.getInputStream();
			// System.out.println("后端获得上传数据的流" + in.read());

			// (3)inputStream转file对象img.zip并存入临时文件目录tmpPath
			byte[] byt = StmFunc.stm2bytes(in);
			String source = tmpPath + File.separator + "img.zip";
			File file = new File(source);
			if (!file.exists()) {
				file.createNewFile();
			}
			ZipFile imgZip = new ZipFile(file);
			FileFunc.buf2file(byt, source);

			// (4)获得zipFile对象 解压临时目录的zip文件 并存入临时目录的ygcl文件夹
			// String source = "d:\\ygcl.zip";
			String dest = tmpPath + File.separator + "imgs";
			// String password = "password";
			/*
			 * File zipFile = new File(source); ZipFile zFile = new
			 * ZipFile(zipFile);
			 */// 首先创建ZipFile指向磁盘上的.zip文件   
			imgZip.setFileNameCharset("GBK");
			File destDir = new File(dest);// 解压目录   
			/*
			 * if (zFile.isEncrypted()) {
			 * zFile.setPassword(password.toCharArray());// 设置密码    }
			 */
			imgZip.extractAll(dest);// 将文件抽出到解压目录(解压)
			List<net.lingala.zip4j.model.FileHeader> headerList = imgZip
					.getFileHeaders();
			List<File> extractedFileList = new ArrayList<File>();

			for (FileHeader fileHeader : headerList) {
				// (4)用qrcode识别解压后的n个二维码
				if (!fileHeader.isDirectory()) {
					File img = new File(destDir, fileHeader.getFileName());
					extractedFileList.add(img);
					System.out.println(QrcodeUtil.qrCodeDecode(img));
				}
			}

		} catch (Exception e) {
			e.printStackTrace();
			// TODO: handle exception
			req.setAttribute("msg", new String("导入失败"));
			return "gxdc/result";
		} finally {
			try {
				DeletFileUtil.delFolder(tmpPath);
			} catch (Exception e2) {
				e2.printStackTrace();
			}
		}

		req.setAttribute("msg", new String("导入成功"));
		return "gxdc/result";
	}
}

2.删除文件逻辑

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package com.esen.gxdc.util;

import java.io.File;

public class DeletFileUtil {

	public static void delFolder(String folderPath) {  
	     try {  
	        delAllFile(folderPath); //删除完里面所有内容  
	        String filePath = folderPath;  
	        filePath = filePath.toString();  
	        java.io.File myFilePath = new java.io.File(filePath);  
	        myFilePath.delete(); //删除空文件夹  
	     } catch (Exception e) {  
	       e.printStackTrace();   
	     }  
	}  
	public static boolean delAllFile(String path) {  
	       boolean flag = false;  
	       File file = new File(path);  
	       if (!file.exists()) {  
	         return flag;  
	       }  
	       if (!file.isDirectory()) {  
	         return flag;  
	       }  
	       String[] tempList = file.list();  
	       File temp = null;  
	       for (int i = 0; i < tempList.length; i++) {  
	          if (path.endsWith(File.separator)) {  
	             temp = new File(path + tempList[i]);  
	          } else {  
	              temp = new File(path + File.separator + tempList[i]);  
	          }  
	          if (temp.isFile()) {  
	             temp.delete();  
	          }  
	          if (temp.isDirectory()) {  
	             delAllFile(path + "/" + tempList[i]);//先删除文件夹里面的文件  
	             delFolder(path + "/" + tempList[i]);//再删除空文件夹  
	             flag = true;  
	          }  
	       }  
	       return flag;  
	     }  
	}

李伟明bi数据库

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#charset UTF-8
#Tue Dec 04 15:33:36 CST 2018
logLevel=ERROR
catalog=
maxWait=10000
maxActive=20
password=1
url=jdbc\:oracle\:thin\:@172.21.11.41\:1521\:orcl
driverClassName=oracle.jdbc.driver.OracleDriver
username=whgxdc