74 lines
2.7 KiB
Java
74 lines
2.7 KiB
Java
|
package cn.palmte.work.service;
|
||
|
|
|
||
|
|
import cn.palmte.work.config.UploadProperties;
|
||
|
|
import org.slf4j.Logger;
|
||
|
|
import org.slf4j.LoggerFactory;
|
||
|
|
import org.springframework.beans.factory.annotation.Autowired;
|
||
|
|
import org.springframework.stereotype.Service;
|
||
|
|
import sun.misc.BASE64Decoder;
|
||
|
|
import top.jfunc.common.datetime.DatetimeUtils;
|
||
|
|
import top.jfunc.common.utils.CommonUtil;
|
||
|
|
import top.jfunc.common.utils.FileUtil;
|
||
|
|
import java.io.File;
|
||
|
|
import java.nio.file.Files;
|
||
|
|
import java.nio.file.Paths;
|
||
|
|
import java.util.Date;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @author xiongshiyan at 2020/10/13 , contact me with email yanshixiong@126.com or phone 15208384257
|
||
|
|
*/
|
||
|
|
@Service
|
||
|
|
public class UploadService {
|
||
|
|
private static final Logger logger = LoggerFactory.getLogger(UploadService.class);
|
||
|
|
public static final String DATA_IMAGE_PNG_BASE64 = "data:image/png;base64,";
|
||
|
|
public static final String DATA_IMAGE_JPEG_BASE64 = "data:image/jpeg;base64,";
|
||
|
|
public static final String DATA_IMAGE_JPG_BASE64 = "data:image/jpg;base64,";
|
||
|
|
|
||
|
|
@Autowired
|
||
|
|
private UploadProperties uploadProperties;
|
||
|
|
|
||
|
|
public String upload(String base64Str){
|
||
|
|
String suffix = "png";
|
||
|
|
if (base64Str.contains(DATA_IMAGE_PNG_BASE64)) {
|
||
|
|
base64Str = base64Str.replaceAll(DATA_IMAGE_PNG_BASE64, "");
|
||
|
|
suffix = "png";
|
||
|
|
} else if (base64Str.contains(DATA_IMAGE_JPEG_BASE64)) {
|
||
|
|
base64Str = base64Str.replaceAll(DATA_IMAGE_JPEG_BASE64, "");
|
||
|
|
suffix = "jpeg";
|
||
|
|
}else if (base64Str.contains(DATA_IMAGE_JPG_BASE64)) {
|
||
|
|
base64Str = base64Str.replaceAll(DATA_IMAGE_JPG_BASE64, "");
|
||
|
|
suffix = "jpg";
|
||
|
|
}
|
||
|
|
String uploadPath = uploadProperties.getPath();
|
||
|
|
String uploadPrefix = uploadProperties.getPrefix();
|
||
|
|
String yyyyMMdd = DatetimeUtils.toStr(new Date(), "yyyyMMdd");
|
||
|
|
String saveDir = uploadPath + "/" + yyyyMMdd;
|
||
|
|
FileUtil.makeSureExistDir(saveDir);
|
||
|
|
|
||
|
|
String fileName = CommonUtil.randomString(32) + "." + suffix;
|
||
|
|
String absolutePath = saveDir + "/" + fileName;
|
||
|
|
File file = new File(absolutePath);
|
||
|
|
|
||
|
|
decodeAndWrite(base64Str , file);
|
||
|
|
|
||
|
|
return uploadPrefix + "/" + yyyyMMdd + "/" + fileName;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
private void decodeAndWrite(String base64Str, File destFile) {
|
||
|
|
try {
|
||
|
|
// Base64解码
|
||
|
|
byte[] bytes = new BASE64Decoder().decodeBuffer(base64Str);
|
||
|
|
for (int i = 0; i < bytes.length; ++i) {
|
||
|
|
if (bytes[i] < 0) {
|
||
|
|
// 调整异常数据
|
||
|
|
bytes[i] += 256;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
Files.write(Paths.get(destFile.getAbsolutePath()), bytes);
|
||
|
|
} catch (Exception e) {
|
||
|
|
logger.error(e.getMessage(), e);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|