package project.web.api;
|
|
import java.io.BufferedInputStream;
|
import java.io.File;
|
import java.io.FileInputStream;
|
import java.io.FileNotFoundException;
|
import java.io.FileOutputStream;
|
import java.text.SimpleDateFormat;
|
import java.util.Date;
|
import java.util.HashMap;
|
import java.util.Properties;
|
import java.util.Random;
|
|
import javax.servlet.http.HttpServletRequest;
|
|
import org.slf4j.Logger;
|
import org.slf4j.LoggerFactory;
|
import org.springframework.web.bind.annotation.CrossOrigin;
|
import org.springframework.web.bind.annotation.RequestMapping;
|
import org.springframework.web.bind.annotation.RestController;
|
import org.springframework.web.multipart.MultipartFile;
|
import org.springframework.web.multipart.MultipartHttpServletRequest;
|
import org.springframework.web.multipart.MultipartResolver;
|
import org.springframework.web.multipart.commons.CommonsMultipartResolver;
|
|
import kernel.exception.BusinessException;
|
import kernel.util.PropertiesLoaderUtils;
|
import kernel.web.ResultObject;
|
|
@RestController
|
@CrossOrigin
|
public class UploadImgController {
|
|
private static final Logger logger = LoggerFactory.getLogger(UploadImgController.class);
|
|
public final String basePath = "/public/uploadimg";
|
|
private static Properties properties = PropertiesLoaderUtils.loadProperties("config/system.properties");
|
|
|
@RequestMapping(value = basePath+"!execute.action")
|
public Object execute(HttpServletRequest request) {
|
ResultObject resultObject = new ResultObject();
|
|
try {
|
MultipartResolver resolver = new CommonsMultipartResolver(request.getSession().getServletContext());
|
File file = null;
|
if(resolver.isMultipart(request)) {
|
MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
|
MultipartFile multipartFile = multipartRequest.getFile("file");
|
file = multipartFileToFile(multipartFile);
|
}else {
|
throw new BusinessException("文件上传失败");
|
}
|
String fileFileName = file.getName();
|
|
HashMap extMap = new HashMap();
|
extMap.put("image", "jpg,png");
|
if (file.length() / 1024L > 30720L) {
|
|
resultObject.setCode("1");
|
resultObject.setMsg("图片大小不能超过30M");
|
return resultObject;
|
}
|
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
|
String ymd = sdf.format(new Date());
|
|
String fileDir = properties.getProperty("images.dir");
|
File f = new File(fileDir + "/" + ymd);
|
if ((!f.exists()) && (!f.mkdirs())) {
|
resultObject.setCode("1");
|
resultObject.setMsg("服务器错误");
|
logger.warn("文件:" + fileDir + "创建失败!");
|
return resultObject;
|
}
|
|
// String fileExt = fileFileName.substring(fileFileName.lastIndexOf(".") + 1).toLowerCase();
|
// if (!Arrays.asList(((String) extMap.get("image")).split(",")).contains(fileExt)) {
|
//// this.error = ("上传图片是不允许的扩展名。\n只允许" + (String) extMap.get("image") + "格式。");
|
//// resultObject.setCode("1");
|
//// resultObject.setMsg(error);
|
//// this.result = JsonUtils.getJsonString(resultObject);
|
//// out.println(this.result);
|
//// return null;
|
// }
|
|
String imagePath = "";
|
SimpleDateFormat sdf2 = new SimpleDateFormat("yyyyMMddHHmmss");
|
String yms = sdf2.format(new Date());
|
|
String imageDir = ymd + "/" + yms + new Random().nextInt(10000000) + "." + "png";
|
imagePath = fileDir + imageDir.toLowerCase().trim();
|
|
FileInputStream in = new FileInputStream(file);
|
|
FileOutputStream outputStream = new FileOutputStream(imagePath);
|
|
BufferedInputStream inputStream = new BufferedInputStream(in);
|
byte[] buf = new byte[1024];
|
int length = 0;
|
while ((length = inputStream.read(buf)) != -1) {
|
outputStream.write(buf, 0, length);
|
}
|
resultObject.setData(imageDir);
|
} catch (FileNotFoundException e) {
|
resultObject.setCode("1");
|
resultObject.setMsg("服务器错误");
|
logger.error("文件上传失败", e);
|
return resultObject;
|
} catch (Exception e) {
|
|
resultObject.setCode("1");
|
resultObject.setMsg("服务器错误");
|
logger.error("文件上传失败", e);
|
return resultObject;
|
|
}
|
|
return resultObject;
|
}
|
|
public static File multipartFileToFile(MultipartFile multiFile) {
|
// 获取文件名
|
String fileName = multiFile.getOriginalFilename();
|
// 获取文件后缀
|
// String prefix = fileName.substring(fileName.lastIndexOf("."));
|
String prefix = "";
|
String contentType = multiFile.getContentType();
|
// if(contentType.indexOf("image")!=-1) {
|
// prefix = "."+contentType.replace("image/", "");
|
// }else {
|
// //不是图片则不处理
|
// throw new BusinessException("文件上传失败");
|
// }
|
// 若须要防止生成的临时文件重复,能够在文件名后添加随机码
|
|
try {
|
File file = File.createTempFile(fileName, prefix);
|
multiFile.transferTo(file);
|
return file;
|
} catch (Exception e) {
|
e.printStackTrace();
|
}
|
return null;
|
}
|
|
}
|
