支持http/https文件流作为预览源url
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@ -25,7 +25,7 @@ public class DownloadUtils {
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* @param type
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* @return
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*/
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public ReturnResponse<String> downLoad(String urlAddress, String type, String fileName){
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public ReturnResponse<String> downLoad(String urlAddress, String type, String fileName) {
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ReturnResponse<String> response = new ReturnResponse<>(0, "下载成功!!!", "");
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URL url = null;
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try {
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@ -40,7 +40,7 @@ public class DownloadUtils {
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UUID uuid = UUID.randomUUID();
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if (null == fileName) {
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fileName = uuid+ "."+type;
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}else { // 文件后缀不一致时,以type为准(针对simText【将类txt文件转为txt】)
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} else { // 文件后缀不一致时,以type为准(针对simText【将类txt文件转为txt】)
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fileName = fileName.replace(fileName.substring(fileName.lastIndexOf(".") + 1), type);
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}
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String realPath = fileDir + fileName;
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@ -9,11 +9,13 @@ import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import org.springframework.util.StringUtils;
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import java.io.*;
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import java.net.URLDecoder;
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import java.nio.charset.Charset;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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@ -63,13 +65,17 @@ public class FileUtils {
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* @return
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*/
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public FileType typeFromUrl(String url) {
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String[] simText = ConfigConstants.getSimText();
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String[] media = ConfigConstants.getMedia();
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String nonPramStr = url.substring(0, url.indexOf("?") != -1 ? url.indexOf("?") : url.length());
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String fileName = nonPramStr.substring(nonPramStr.lastIndexOf("/") + 1);
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return typeFromFileName(fileName);
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}
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private FileType typeFromFileName(String fileName) {
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String[] simText = ConfigConstants.getSimText();
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String[] media = ConfigConstants.getMedia();
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String fileType = fileName.substring(fileName.lastIndexOf(".") + 1);
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if (listPictureTypes().contains(fileType.toLowerCase())) {
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return FileType.picture;
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return FileType.picture;
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}
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if (listArchiveTypes().contains(fileType.toLowerCase())) {
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return FileType.compress;
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@ -265,22 +271,83 @@ public class FileUtils {
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private String suffixFromUrl(String url) {
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String nonPramStr = url.substring(0, url.indexOf("?") != -1 ? url.indexOf("?") : url.length());
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String fileName = nonPramStr.substring(nonPramStr.lastIndexOf("/") + 1);
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return suffixFromFileName(fileName);
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}
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private String suffixFromFileName(String fileName) {
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String fileType = fileName.substring(fileName.lastIndexOf(".") + 1);
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return fileType;
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}
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/**
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* 获取url中的参数
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* @param url
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* @param name
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* @return
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*/
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private String getUrlParameterReg(String url, String name) {
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Map<String, String> mapRequest = new HashMap();
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String strUrlParam = TruncateUrlPage(url);
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if (strUrlParam == null) {
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return "";
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}
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//每个键值为一组
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String[] arrSplit=strUrlParam.split("[&]");
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for(String strSplit:arrSplit) {
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String[] arrSplitEqual= strSplit.split("[=]");
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//解析出键值
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if(arrSplitEqual.length > 1) {
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//正确解析
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mapRequest.put(arrSplitEqual[0], arrSplitEqual[1]);
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} else if (!arrSplitEqual[0].equals("")) {
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//只有参数没有值,不加入
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mapRequest.put(arrSplitEqual[0], "");
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}
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}
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return mapRequest.get(name);
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}
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/**
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* 去掉url中的路径,留下请求参数部分
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* @param strURL url地址
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* @return url请求参数部分
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*/
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private static String TruncateUrlPage(String strURL) {
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String strAllParam = null;
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strURL = strURL.trim();
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String[] arrSplit = strURL.split("[?]");
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if(strURL.length() > 1) {
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if(arrSplit.length > 1) {
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if(arrSplit[1] != null) {
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strAllParam=arrSplit[1];
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}
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}
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}
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return strAllParam;
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}
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public FileAttribute getFileAttribute(String url) {
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String decodedUrl=null;
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String decodedUrl = null;
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try {
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decodedUrl = URLDecoder.decode(url, "utf-8");
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}catch (UnsupportedEncodingException e){
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log.debug("url解码失败");
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} catch (UnsupportedEncodingException e){
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log.error("url解码失败");
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}
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String fileName;
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FileType type;
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String suffix;
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String fullFileName = getUrlParameterReg(decodedUrl, "fullfilename");
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if (!StringUtils.isEmpty(fullFileName)) {
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fileName = fullFileName;
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type = typeFromFileName(fileName);
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suffix = suffixFromFileName(fileName);
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} else {
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fileName = getFileNameFromURL(decodedUrl);
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type = typeFromUrl(url);
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suffix = suffixFromUrl(url);
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}
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// 路径转码
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FileType type = typeFromUrl(url);
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String suffix = suffixFromUrl(url);
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// 抽取文件并返回文件列表
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String fileName = getFileNameFromURL(decodedUrl);
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return new FileAttribute(type,suffix,fileName,url,decodedUrl);
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}
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}
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