getFilePath ZipOutputStream

最新推荐文章于 2023-03-12 17:56:07 发布

spencer_tseng

最新推荐文章于 2023-03-12 17:56:07 发布

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本文链接：https://blog.youkuaiyun.com/spencer_tseng/article/details/77869618

本文探讨了使用Java标准库中的ZipOutputStream进行文件压缩时出现的字符集乱码问题，并对比了Apache工具包中ZipOutputStream的表现。通过实例演示了如何正确设置字符集以避免乱码。

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	/**
	 * 获取当前form文件或者文件夹绝对路径
	 * 
	 * @author ZengWenFeng
	 * @date 2017-09-06
	 * @param form 当前节点
	 * @param list 树结构所有节点列表（集合）
	 * @param path 默认输入为空字符串
	 * @return 返回当前节点对应文件或者文件夹目录字符串(文件为：曾文峰-目录/kkk/zwf13.xls  目录为：曾文峰-目录/kkk
	 */
	public String getFilePath(FbForm form, List<FbForm> list, String path)
	{
		if (form == null)
		{
			return "";
		}

		String id = form.getId();//id
		String fName = form.getName();//excel文件名
		String tName = form.getTablename();//数据库表名
		String pId = form.getPid();//父节点id

		// 父节点为空，则为一级目录或者一级文件
		if (pId == null || pId.trim().equals(""))
		{
			// 数据库表名为空，则是目录，返回目录名：曾文峰-目录
			if (tName == null || tName.trim().equals(""))
			{
				if (path.equals(""))
				{
					return fName;
				}
				else
				{
					return path;
				}
			}
			//数据库表名不为空，则是文件，直接返回excel文件名：曾文锋测试5.XLS
			else
			{
				if (path.equals(""))
				{
					return fName + ".xls";
				}
				else
				{
					return path;
				}
			}
		}
		// 父节点不为空
		else
		{
			FbForm parentForm = null;
			String id_parentForm = "";//id
			String fName_parentForm = "";//excel文件名
			String tName_parentForm = "";//数据库表名
			String pId_parentForm = "";//父节点id

			// 寻找父节点
			FbForm tempForm = null;
			for (int i = 0; i < list.size(); i++)
			{
				tempForm = list.get(i);

				if (tempForm == null)
				{
					continue;
				}

				// 如果找到父节点了
				if (pId.equals(tempForm.getId()))
				{
					parentForm = tempForm;
				}
			}

			if (parentForm == null)
			{
				return path;
			}

			id_parentForm = parentForm.getId();//id
			fName_parentForm = parentForm.getName();//excel文件名
			tName_parentForm = parentForm.getTablename();//数据库表名
			pId_parentForm = parentForm.getPid();//父节点id

			if (tName == null || tName.trim().equals(""))
			{
				if (path.equals(""))
				{
					path = fName_parentForm + "/" + fName;
				}
				else
				{
					path = fName_parentForm + "/" + path;
				}
			}
			else
			{
				if (path.equals(""))
				{
					path = fName_parentForm + "/" + fName + ".xls";
				}
				else
				{
					path = fName_parentForm + "/" + path;
				}
			}

			return getFilePath(parentForm, list, path);
		}
	}

我X， ZipOutputStream 字符集乱码？？明天整。

package zip;

import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.zip.Adler32;
import java.util.zip.CheckedOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

import zip7rar.CompressFile;

/**
 * 
 *
 * @author ZengWenFeng
 */
public class ZipCompress
{
	/**
	 * java.util.zip.ZipOutputStream
	 * 
	 * 乱码
	 * 
	 * @throws IOException
	 */
	public static void test01() throws IOException
	{

		String[] fileNames = 
		{
			"E:/PRJ_J2EE/PrjFlexJava/java_src/zip/config.properties", 
			"E:/PRJ_J2EE/PrjFlexJava/java_src/zip/中文.properties", 
			"E:/PRJ_J2EE/PrjFlexJava/java_src/zip/中文.csv"
		};
		
		FileOutputStream f = new FileOutputStream("C:/Users/Administrator/Desktop/test.zip");

		CheckedOutputStream csum = new CheckedOutputStream(f, new Adler32());

		ZipOutputStream zos = new ZipOutputStream(csum);

		BufferedOutputStream out = new BufferedOutputStream(zos);

		zos.setComment("comment");
		for (String fileName : fileNames)
		{
			BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream(fileName), "UTF-8"));
			zos.putNextEntry(new ZipEntry(fileName));

			String temp;
			while ((temp = in.readLine()) != null)
			{
				out.write(temp.getBytes("UTF-8"));
			}
			
			in.close();
			out.flush();
		}
		
		out.close();
	
	}
	
	/**
	 * org.apache.tools.zip.ZipOutputStream
	 * 没有乱码
	 * 
	 * @throws IOException
	 */
	public static void test02() throws IOException
	{

		File[] fileNames = 
		{
			new File("E:/PRJ_J2EE/PrjFlexJava/java_src/zip/config.properties"), 
			new File("E:/PRJ_J2EE/PrjFlexJava/java_src/zip/中文.properties"),
					new File("E:/PRJ_J2EE/PrjFlexJava/java_src/zip/中文.csv")
		};
		
		File zipfile = new File("C:/Users/Administrator/Desktop/test.zip");
		
		
		CompressFile.zipFiles(fileNames, zipfile);
	
	}
	
	/**
	 * @param args
	 * @throws IOException 
	 */
	public static void main(String[] args) throws IOException
	{
		test02();
	}
}