使用base64decoder对文件互转来提供文件上传接口

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java

淘宝里面的html用base64转换图片，不知道为什么，不过看起来好像很美好，给个地址让大家玩玩，谁要有更全面的介绍也留下言

http://www.rssria.com/blogx/wp-content/uploads/2010/05/imgbase64/UML.html

Java代码

代码

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

public class Base64Image {
    public static void main(String[] args) {
        // 测试从Base64编码转换为图片文件
        String strImg = "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";
        GenerateImage(strImg, "D:\\wangyc.jpg");
        
        // 测试从图片文件转换为Base64编码
        System.out.println(GetImageStr("d:\\wangyc.jpg"));
    }

    public static String GetImageStr(String imgFilePath) {// 将图片文件转化为字节数组字符串，并对其进行Base64编码处理
        byte[] data = null;
        
        // 读取图片字节数组
        try {
            InputStream in = new FileInputStream(imgFilePath);
            data = new byte[in.available()];
            in.read(data);
            in.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        
        // 对字节数组Base64编码
        BASE64Encoder encoder = new BASE64Encoder();
        return encoder.encode(data);// 返回Base64编码过的字节数组字符串
    }

    public static boolean GenerateImage(String imgStr, String imgFilePath) {// 对字节数组字符串进行Base64解码并生成图片
        if (imgStr == null) // 图像数据为空
            return false;
        BASE64Decoder decoder = new BASE64Decoder();
        try {
            // Base64解码
            byte[] bytes = decoder.decodeBuffer(imgStr);
            for (int i = 0; i < bytes.length; ++i) {
                if (bytes[i] < 0) {// 调整异常数据
                    bytes[i] += 256;
                }
            }
            // 生成jpeg图片
            OutputStream out = new FileOutputStream(imgFilePath);
            out.write(bytes);
            out.flush();
            out.close();
            return true;
        } catch (Exception e) {
            return false;
        }
    }
}

采纳：http://www.cnblogs.com/mofish/archive/2010/11/26/1889126.html

// 下面是自己提供的图片上传接口对于图片的上传可以用java自带的流上传我这是因为直接从写的项目中拷下没来得及去修改

	/**
	 * 上传图片
     * @param request
     * @param response
     * @return
	 * @throws UnsupportedEncodingException 
	 */
	@SuppressWarnings("unused")
	@RequestMapping(value="/img/uploadAuthImg",method={RequestMethod.GET,RequestMethod.POST})
	public String uploadAuth(@PathVariable int uid,HttpServletRequest request,HttpServletResponse response) throws UnsupportedEncodingException{
		response.setContentType("text/plain;charset=utf-8");
		request.setCharacterEncoding("UTF-8");
		if (logger.isInfoEnabled()) {
			logger.info("--UploadImgController.uploadAuth--->start");
		}
		JSONObject json = new JSONObject();
		Map<String, String> param = this.paramToMap(request);
		if (logger.isDebugEnabled()) {
			logger.debug("--UploadImgController.uploadAuth-parameter->" + param);
		}
		try{	
						// 处理业务逻辑后再掉统一用户中心
						String brandList = this.uploadAuthImg(param); // 业务逻辑处理
						logger.info("业务逻辑返回参数："+brandList);
						 //解析上传的参数
						JSONObject jo = JSONObject.fromObject(brandList);
						if(StringUtils.isEmpty(brandList)){
							json.put(ResultKeyConstant.DATA, "");
							json.put(ResultKeyConstant.ERROR_CODE, ErrorCodeConstant.COMMON_UNKNOWN_ERROR); // 系统内部错误
							json.put(ResultKeyConstant.ERROR_MESSAGE, "上传图片错误");
						}else if(jo.get("state")!=null&&jo.get("state").toString().equals("1")){
							json.put(ResultKeyConstant.DATA, brandList);
							json.put(ResultKeyConstant.ERROR_CODE, ErrorCodeConstant.COMMON_UNKNOWN_ERROR); // 系统内部错误
							json.put(ResultKeyConstant.ERROR_MESSAGE, jo.get("msg"));
						}
						else{
							//访问统一用户中心 提供认证信息
							 Map<String,Object> memberMap  = new HashMap<String,Object>();
							 memberMap.put("user_name",this.getParamValue(param.get("param"), "user_name"));
							 memberMap.put("member_id",this.getParamValue(param.get("param"), "mid"));
							 String fullPath = jo.get("fullPath")==null?"":jo.get("fullPath").toString();
							 memberMap.put("identify_img",fullPath);
							 memberMap.put("identify",this.getParamValue(param.get("param"), "identify"));
							 memberMap.put("biz_key",3);
							 logger.info("解析成功后得到的参数："+"param_json="+JSONObject.fromObject(memberMap).toString());
						}
					
				
		}catch(Exception e){
			logger.error(e);
			json.put(ResultKeyConstant.DATA, "");
			json.put(ResultKeyConstant.ERROR_CODE, ErrorCodeConstant.COMMON_UNKNOWN_ERROR);// 系统内部错误
			json.put(ResultKeyConstant.ERROR_MESSAGE, messageService.getMessage(ErrorCodeConstant.COMMON_UNKNOWN_ERROR));
		
		}
		return null;
	}
	
	
	public  Map<String, String> paramToMap(HttpServletRequest request) {
		HashMap<String, String> map = new HashMap<String, String>();
		Map<String, String[]> m = request.getParameterMap();
		for (Entry<String, String[]> entry : m.entrySet()) {
			map.put(entry.getKey().toString(), entry.getValue()[0]);
		}
		return map;
	}
	
	
	
	public String uploadAuthImg(Map<String, String> patam){
		Map<Object, Object> lmap = new HashMap<Object, Object>();
		String result = null;
		try {
			if (logger.isInfoEnabled()) {
				logger.info("--AreaServiceV100Impl.uploadAuthImg---parameter->" + patam);
			}
			String param = patam.get("param");
			if(StringUtil.hasText(param)){
				JSONObject json = JSONObject.fromObject(param);
				String name = json.get("imgName") == null ? "" : StringUtil.trim(json.get("imgName"));
				String mid = json.get("mid") == null ? "" : StringUtil.trim(json.get("mid"));
				String imgData = json.get("imgData") == null ? null : json.get("imgData").toString();/// 图片数据
				byte[] imgbuffer = new BASE64Decoder().decodeBuffer(imgData); // 对android传过来的图片字符串进行解码
				if (name == null || "".equals(name)) {
					lmap.put("state", "1");
					lmap.put("msg", "图片名称为空！");
					return JSONObject.fromObject(lmap, ControllerUtils.convertJsonConfigDate("yyyy-MM-dd HH:mm:ss")).toString();
				}
				// 拼接上传路径
				String extName = "";// 原图片的名称（如：12 不要后面的后缀名）
				if (name.lastIndexOf(".") >= 0) {
					extName = name.substring(name.lastIndexOf(".") + 1);
				}
				InputStream sbs = new ByteArrayInputStream(imgbuffer);
				String domain = "http://127.0.0.1"; //自定义图片服务器
				String masterFileId = null;
				try {
					masterFileId = fastDFSStorageManager.uploadResource(extName, IOUtils.toByteArray(sbs), null);  //使用fastdfs-1.2-jar.jar这个jar包
				} catch (Exception e) {
					logger.error("上传原始图片失败!");
					lmap.put("state", "1");// 上传失败
					lmap.put("msg", "对不起，上传图片失败！");
					return null;
				}
				lmap.put("fullPath", domain + masterFileId);// 访问全路径
				lmap.put("state", "0");// 上传成功
				lmap.put("msg", "上传图片成功！");
				lmap.put("img", masterFileId);
			}
			else {
				// 图片类型错误
				lmap.put("state", "1");
				lmap.put("msg", "对不起，您上传的图片类型错误！");
			}
			result = JSONObject.fromObject(lmap, ControllerUtils.convertJsonConfigDate("yyyy-MM-dd HH:mm:ss")).toString();
			if (logger.isInfoEnabled()) {
				logger.info("--AreaServiceV100Impl.getAreasByLevel---result-->" + result);
			}
		}catch(Exception e){
			logger.error(e);
		}
		return result;
	}

//接口使用的fastdfs的jar包

package com.mes.fastdfs;

import java.util.Map;

/**
 * 文件存储管理工具
 * @author Administrator
 *
 */
public interface FastDFSStorageManager {
	/**
	 * 上传文件
	 * @param extension 扩展名
	 * @param resourceData 二进制数据
	 * @param mataData 元数据
	 * @return
	 * @throws Exception
	 */
	String uploadResource(final String extension, final byte[] resourceData, final Map<String, String> mataData) throws Exception ;
	
	/**
	 * 上传从文件
	 * @param masterFileId 主文件ID
	 * @param prefixName 后缀名
	 * @param extension 文件扩展名
	 * @param resourceData 二进制数据
	 * @param mataData 元数据
	 * @return
	 * @throws Exception
	 */
	String uploadResourceBySlave(final String masterFileId, final String prefixName, final String extension, final byte[] resourceData, final Map<String, String> mataData) throws Exception;
	
	
	/**
	 * 根据上传路径设置元数据
	 * @param path 路径
	 * @param mataData 元数据
	 * @param isOverwrite 是否覆盖原有数据
	 * @return
	 * @throws Exception
	 */
	boolean setResourceMataDataByPath(final String path, final Map<String, String> mataData, boolean isOverwrite) throws Exception ;
	
	/**
	 * 获取元数据信息
	 * @param path fastdfs路径
	 * @return
	 * @throws Exception
	 */
	Map<String, String> queryMetaDataByPath(final String path) throws Exception ;

	/**
	 * 删除
	 * @param path
	 * @throws Exception
	 */
	boolean deleteResourceByPath(final String path) throws Exception ;
	
	
	/**
	 * 下载
	 * @param path 文件ID
	 * @return
	 * @throws Exception
	 */
	byte[] downloadByPath(final String path) throws Exception ;
}

//接口的实现类

package com.mes.fastdfs;

import java.util.HashMap;
import java.util.Map;

import org.csource.common.NameValuePair;
import org.csource.fastdfs.ProtoCommon;
import org.csource.fastdfs.StorageClient1;
import org.csource.fastdfs.StorageServer;
import org.csource.fastdfs.TrackerClient;
import org.csource.fastdfs.TrackerServer;

/**
 * fastDFS管理工具
 * 
 * @author Administrator
 *
 */
public class FastDFSStorageManagerImpl implements FastDFSStorageManager {

	private StorageClientTemplate storageClientTemplate;

	@Override
	public String uploadResource(final String extension, final byte[] resourceData, final Map<String, String> mataData) throws Exception {
		return storageClientTemplate.execute(new AbstractStorageClientReturnedCallback<String>() {

			@Override
			public String doInStorageClient(TrackerClient trackerClient, TrackerServer trackerServer, StorageServer storageServer) throws Exception {
				StorageClient1 storageClinet = new StorageClient1(trackerServer, storageServer);

				NameValuePair[] nameValuePairs = null;
				if ((mataData != null) && (mataData.size() > 0)) {
					nameValuePairs = new NameValuePair[mataData.size()];
					int i = 0;
					for (Map.Entry<String, String> entry : mataData.entrySet()) {
						nameValuePairs[i++] = new NameValuePair(entry.getKey(), entry.getValue());
					}
				}

				return storageClinet.upload_file1(resourceData, extension, nameValuePairs);
			}

		});
	}

	@Override
	public Map<String, String> queryMetaDataByPath(final String path) throws Exception {
		return storageClientTemplate.execute(new AbstractStorageClientReturnedCallback<Map<String, String>>() {

			@Override
			public Map<String, String> doInStorageClient(TrackerClient trackerClient, TrackerServer trackerServer, StorageServer storageServer) throws Exception {
				StorageClient1 storageClinet = new StorageClient1(trackerServer, storageServer);
				NameValuePair[] nameValuePairs = storageClinet.get_metadata1(path);

				Map<String, String> metaData = new HashMap<String, String>();
				if ((nameValuePairs != null) && (nameValuePairs.length > 0)) {
					for (NameValuePair entry : nameValuePairs) {
						metaData.put(entry.getName(), entry.getValue());
					}
				}
				return metaData;
			}

		});
	}

	@Override
	public boolean deleteResourceByPath(final String path) throws Exception {
		return storageClientTemplate.execute(new AbstractStorageClientReturnedCallback<Boolean>(){

			@Override
			public Boolean doInStorageClient(TrackerClient trackerClient, TrackerServer trackerServer, StorageServer storageServer) throws Exception {
				StorageClient1 storageClinet = new StorageClient1(trackerServer, storageServer);
				return storageClinet.delete_file1(path) == 0;
			}
			
		}) ;
	}

	public StorageClientTemplate getStorageClientTemplate() {
		return storageClientTemplate;
	}

	public void setStorageClientTemplate(StorageClientTemplate storageClientTemplate) {
		this.storageClientTemplate = storageClientTemplate;
	}

	/* (non-Javadoc)
	 * @see com.mes.fastdfs.FastDFSStorageManager#uploadResourceBySlave(java.lang.String, java.lang.String, byte[], java.util.Map)
	 */
	@Override
	public String uploadResourceBySlave(final String masterFileId, final String prefixName, final String extension, final byte[] resourceData, final Map<String, String> mataData) throws Exception {
		return storageClientTemplate.execute(new AbstractStorageClientReturnedCallback<String>() {

			@Override
			public String doInStorageClient(TrackerClient trackerClient, TrackerServer trackerServer, StorageServer storageServer) throws Exception {
				StorageClient1 storageClinet = new StorageClient1(trackerServer, storageServer);

				NameValuePair[] nameValuePairs = null;
				if ((mataData != null) && (mataData.size() > 0)) {
					nameValuePairs = new NameValuePair[mataData.size()];
					int i = 0;
					for (Map.Entry<String, String> entry : mataData.entrySet()) {
						nameValuePairs[i++] = new NameValuePair(entry.getKey(), entry.getValue());
					}
				}

				return storageClinet.upload_file1(masterFileId, prefixName, resourceData, extension, nameValuePairs) ;
			}

		});
	}

	@Override
	public boolean setResourceMataDataByPath(final String path, final Map<String, String> mataData, final boolean isOverwrite) throws Exception {
		return storageClientTemplate.execute(new AbstractStorageClientReturnedCallback<Boolean>() {

			@Override
			public Boolean doInStorageClient(TrackerClient trackerClient, TrackerServer trackerServer, StorageServer storageServer) throws Exception {
				StorageClient1 storageClinet = new StorageClient1(trackerServer, storageServer);

				NameValuePair[] nameValuePairs = null;
				if ((mataData != null) && (mataData.size() > 0)) {
					nameValuePairs = new NameValuePair[mataData.size()];
					int i = 0;
					for (Map.Entry<String, String> entry : mataData.entrySet()) {
						nameValuePairs[i++] = new NameValuePair(entry.getKey(), entry.getValue());
					}
				}
				return storageClinet.set_metadata1(path, nameValuePairs, isOverwrite ? ProtoCommon.STORAGE_SET_METADATA_FLAG_OVERWRITE: ProtoCommon.STORAGE_SET_METADATA_FLAG_MERGE) == 0;
			}

		});
	}

	@Override
	public byte[] downloadByPath(final String path) throws Exception {
		return storageClientTemplate.execute(new AbstractStorageClientReturnedByteCallback(){

			@Override
			public byte[] doInStorageClient(TrackerClient trackerClient, TrackerServer trackerServer, StorageServer storageServer) throws Exception {
				StorageClient1 storageClinet = new StorageClient1(trackerServer, storageServer);
				return storageClinet.download_file1(path);
			}
			
		}) ;
	}
	
	

}

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导入数据脚本 | 物理分页相关与加载到底部

2016-09-13 17:13
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