[jspSmartUpload]------------>jspSmartUpload上传中文文件名 乱码问题
用jspSmartUpload做文件上传下载，该组件默认是不是utf-8编码，对中文支持不好，当文件名或参数有中文时候就会出现乱码。在google一番后找到一种目前比较好的解决方案
修改源码(听说是侵权，但....)
找到源码，并且参考网上的讲法，进行修改，发现可以解决
1）当页面上传有参数时，中文会乱码，解决页面上中文参数乱码方法：
修改类SmartUpload()中的upload()方法
(可以按照关键字 application/x-macbinary 定位到)
public void upload() throws SmartUploadException, IOException, ServletException { int totalRead = 0; int readBytes = 0; long totalFileSize = 0L; boolean found = false; String dataHeader = new String(); String fieldName = new String(); String fileName = new String(); String fileExt = new String(); String filePathName = new String(); String contentType = new String(); String contentDisp = new String(); String typeMIME = new String(); String subTypeMIME = new String(); boolean isFile = false; m_totalBytes = m_request.getContentLength(); m_binArray = new byte[m_totalBytes]; for(; totalRead < m_totalBytes; totalRead += readBytes) try { m_request.getInputStream(); readBytes = m_request.getInputStream().read(m_binArray, totalRead, m_totalBytes - totalRead); } catch(Exception e) { throw new SmartUploadException("Unable to upload."); } for(; !found && m_currentIndex < m_totalBytes; m_currentIndex++) if(m_binArray[m_currentIndex] == 13) found = true; else m_boundary = m_boundary + (char)m_binArray[m_currentIndex]; if(m_currentIndex == 1) return; m_currentIndex++; do { if(m_currentIndex >= m_totalBytes) break; dataHeader = getDataHeader(); m_currentIndex = m_currentIndex + 2; isFile = dataHeader.indexOf("filename") > 0; fieldName = getDataFieldValue(dataHeader, "name"); if(isFile) { filePathName = getDataFieldValue(dataHeader, "filename"); fileName = getFileName(filePathName); fileExt = getFileExt(fileName); contentType = getContentType(dataHeader); contentDisp = getContentDisp(dataHeader); typeMIME = getTypeMIME(contentType); subTypeMIME = getSubTypeMIME(contentType); } getDataSection(); if(isFile && fileName.length() > 0) { if(m_deniedFilesList.contains(fileExt)) throw new SecurityException("The extension of the file is denied to be uploaded (1015)."); if(!m_allowedFilesList.isEmpty() && !m_allowedFilesList.contains(fileExt)) throw new SecurityException("The extension of the file is not allowed to be uploaded (1010)."); if(m_maxFileSize > (long)0 && (long)((m_endData - m_startData) + 1) > m_maxFileSize) throw new SecurityException(String.valueOf((new StringBuffer("Size exceeded for this file : ")).append(fileName).append(" (1105)."))); totalFileSize += (m_endData - m_startData) + 1; if(m_totalMaxFileSize > (long)0 && totalFileSize > m_totalMaxFileSize) throw new SecurityException("Total File Size exceeded (1110)."); } if(isFile) { com.jspsmart.upload.File newFile = new com.jspsmart.upload.File(); newFile.setParent(this); newFile.setFieldName(fieldName); newFile.setFileName(fileName); newFile.setFileExt(fileExt); newFile.setFilePathName(filePathName); newFile.setIsMissing(filePathName.length() == 0); newFile.setContentType(contentType); newFile.setContentDisp(contentDisp); newFile.setTypeMIME(typeMIME); newFile.setSubTypeMIME(subTypeMIME); if(contentType.indexOf("application/x-macbinary") > 0) m_startData = m_startData + 128; newFile.setSize((m_endData - m_startData) + 1); newFile.setStartData(m_startData); newFile.setEndData(m_endData); m_files.addFile(newFile); } else {// 源码为：// String value = new String(m_binArray, m_startData, (m_endData - m_startData) + 1);// 在原来的基础上定义字符编码utf-8 String value = new String(m_binArray, m_startData, (m_endData - m_startData) + 1, "UTF-8"); m_formRequest.putParameter(fieldName, value); } if((char)m_binArray[m_currentIndex + 1] == '-') break; m_currentIndex = m_currentIndex + 2; } while(true); } private String getDataHeader() { int start = m_currentIndex; int end = 0; int len = 0; boolean found = false; while(!found) if(m_binArray[m_currentIndex] == 13 && m_binArray[m_currentIndex + 2] == 13) { found = true; end = m_currentIndex - 1; m_currentIndex = m_currentIndex + 2; } else { m_currentIndex++; } String dataHeader = null;/*** 源码为：* dataHeader = new String(m_binArray, start, (end - start) + 1);*/ try {//指定编码方式为utf-8dataHeader = new String(m_binArray, start, (end - start) + 1,"utf-8");} catch (UnsupportedEncodingException e) {e.printStackTrace();} return dataHeader; }