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base64文件上传
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import lombok.extern.slf4j.Slf4j; import org.springframework.context.annotation.Configuration; import sun.misc.BASE64Decoder; import javax.annotation.Resource; import java.io.*; import java.net.HttpURLConnection; import java.net.URL; import java.util.UUID; /** * @author huqi 2021/8/12 */ @Slf4j @Configuration publicclass UploadFile { @Resource private OpenAuthConfig openAuthConfig; /** * base64文件上传 * @param actionUrl 请求地址 * @param base64File base64文件 * @param type 文件扩展名 * @param token token * @return * @throws IOException */public String upLoadFilePost(String actionUrl,String base64File,String type, String token) throws IOException { String tempFileName = UUID.randomUUID()+"."+type; BASE64Decoder decoder = new BASE64Decoder(); base64File = base64File.replaceAll(" ", "+"); byte[] bfile = decoder.decodeBuffer(base64File.replace("data:image/"+type+";base64,", "")); for (int i = 0; i < bfile.length; ++i) { if (bfile[i] < 0) { bfile[i] += 256; } } actionUrl = openAuthConfig.getDomainName() + actionUrl; log.info("post地址"+actionUrl); String BOUNDARY = java.util.UUID.randomUUID().toString(); String PREFIX = "--", LINEND = "\r\n"; String MULTIPART_FROM_DATA = "multipart/form-data"; String CHARSET = "UTF-8"; URL uri = new URL(actionUrl); HttpURLConnection conn = (HttpURLConnection) uri.openConnection(); conn.setReadTimeout(5 * 1000); conn.setDoInput(true); conn.setDoOutput(true); conn.setUseCaches(false); conn.setRequestMethod("POST"); conn.setRequestProperty("connection", "keep-alive"); conn.setRequestProperty("Charsert", "UTF-8"); conn.setRequestProperty("Content-Type", MULTIPART_FROM_DATA + ";boundary=" + BOUNDARY); conn.setRequestProperty(IOpenApi.BASIC_HEADER_TOKEN, IOpenApi.TOKEN_BEARER + token); DataOutputStream outStream = new DataOutputStream( conn.getOutputStream()); // 发送文件数据if (bfile != null && bfile.length>0) { StringBuilder sb1 = new StringBuilder(); sb1.append(PREFIX); sb1.append(BOUNDARY); sb1.append(LINEND); sb1.append("Content-Disposition: form-data; name=\"file\"; filename=\"" + tempFileName + "\"" + LINEND); sb1.append("Content-Type: application/octet-stream; charset=" + CHARSET + LINEND); sb1.append(LINEND); outStream.write(sb1.toString().getBytes()); outStream.write(bfile); outStream.write(LINEND.getBytes()); } // 请求结束标志byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINEND).getBytes(); outStream.write(end_data); outStream.flush(); // 得到响应码int res = conn.getResponseCode(); if (res == 200) { InputStream in = conn.getInputStream(); InputStreamReader isReader = new InputStreamReader(in); BufferedReader bufReader = new BufferedReader(isReader); String line = ""; String data = ""; while ((line = bufReader.readLine()) != null) { data += line; } outStream.close(); conn.disconnect(); return data; } outStream.close(); conn.disconnect(); returnnull; } }
原文:https://www.cnblogs.com/huqi96/p/15161485.html
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