package com.mochain.epay.utils;
import com.aliyun.oss.OSSClient;
import com.aliyun.oss.model.ObjectMetadata;
import com.aliyun.oss.model.PutObjectResult;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Controller;
import org.springframework.util.StringUtils;
import org.springframework.web.multipart.MultipartFile;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Date;
import java.util.Random;
/**
* 阿里云 OSS工具类
*
* @author Monkey
* @date 2017年9月30日下午3:38:09
* @version 1.0
*/
@Controller
public class OSSClientUtil {
public static final Logger logger = LoggerFactory.getLogger(OSSClientUtil.class);
// endpoint
private String endpoint = "##";
// accessKey
private String accessKeyId = "##";
private String accessKeySecret = "##";
// 空间
private String bucketName = "##";
// 文件存储目录
private String filedir = "##";
private OSSClient ossClient;
public OSSClientUtil() {
ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret);
}
public String uploadImg2Oss(MultipartFile file) {
if (file.getSize() > 5 * 1024 * 1024) {
System.out.println("上传图片大小不能超过10M！");
return null;
}
String originalFilename = file.getOriginalFilename();
String substring = originalFilename.substring(originalFilename.lastIndexOf(".")).toLowerCase();
Random random = new Random();
String name = random.nextInt(10000) + System.currentTimeMillis() + substring;
try {
InputStream inputStream = file.getInputStream();
this.uploadFile2OSS(inputStream, name);
} catch (Exception e) {
e.printStackTrace();
}
return name;
}
/**
* 获得图片路径
*
* @param fileUrl
* @return
*/
public String getImgUrl(String fileUrl) {
System.out.println(fileUrl);
if (!StringUtils.isEmpty(fileUrl)) {
String[] split = fileUrl.split("/");
return this.getUrl(this.filedir + split[split.length - 1]);
}
return null;
}
/**
* 上传到OSS服务器 如果同名文件会覆盖服务器上的
*
* @param instream
* 文件流
* @param fileName
* 文件名称 包括后缀名
* @return 出错返回"" ,唯一MD5数字签名
*/
public String uploadFile2OSS(InputStream instream, String fileName) {
String ret = "";
try {
// 创建上传Object的Metadata
ObjectMetadata objectMetadata = new ObjectMetadata();
objectMetadata.setContentLength(instream.available());
objectMetadata.setCacheControl("no-cache");
objectMetadata.setHeader("Pragma", "no-cache");
objectMetadata.setContentType(getcontentType(fileName.substring(fileName.lastIndexOf("."))));
objectMetadata.setContentDisposition("inline;filename=" + fileName);
// 上传文件
PutObjectResult putResult = ossClient.putObject(bucketName, filedir + fileName, instream, objectMetadata);
ret = putResult.getETag();
} catch (IOException e) {
logger.error(e.getMessage(), e);
} finally {
try {
if (instream != null) {
instream.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return ret;
}
/**
* Description: 判断OSS服务文件上传时文件的contentType
*
* @param filenameExtension
* 文件后缀
* @return String
*/
public static String getcontentType(String filenameExtension) {
if (filenameExtension.equalsIgnoreCase("bmp")) {
return "image/bmp";
}
if (filenameExtension.equalsIgnoreCase("gif")) {
return "image/gif";
}
if (filenameExtension.equalsIgnoreCase("jpeg") || filenameExtension.equalsIgnoreCase("jpg")
|| filenameExtension.equalsIgnoreCase("png")) {
return "image/jpeg";
}
if (filenameExtension.equalsIgnoreCase("html")) {
return "text/html";
}
if (filenameExtension.equalsIgnoreCase("txt")) {
return "text/plain";
}
if (filenameExtension.equalsIgnoreCase("vsd")) {
return "application/vnd.visio";
}
if (filenameExtension.equalsIgnoreCase("pptx") || filenameExtension.equalsIgnoreCase("ppt")) {
return "application/vnd.ms-powerpoint";
}
if (filenameExtension.equalsIgnoreCase("docx") || filenameExtension.equalsIgnoreCase("doc")) {
return "application/msword";
}
if (filenameExtension.equalsIgnoreCase("xml")) {
return "text/xml";
}
return "image/jpeg";
}
/**
* 获得url链接
*
* @param key
* @return
*/
public String getUrl(String key) {
// 设置URL过期时间为10年 3600l* 1000*24*365*10
Date expiration = new Date(System.currentTimeMillis() + 3600L * 1000 * 24 * 365 * 10);
// 生成URL
URL url = ossClient.generatePresignedUrl(bucketName, key, expiration);
if (url != null) {
return url.toString();
}
return null;
}
}
package com.mochain.epay.web;
import com.alibaba.fastjson.JSONObject;
import com.mochain.epay.utils.OSSClientUtil;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import java.util.HashMap;
import java.util.Map;
/**
* 图片上传
* @author Monkey
* @date 2017年9月30日下午3:37:00
* @version 1.0
*/
@RestController
@RequestMapping(value="file")
public class FileController {
@RequestMapping(value = "/upload", method= RequestMethod.POST)
@ResponseBody
public String headImgUpload(MultipartFile file) {
Map<String, Object> data = new HashMap<>();
try {
if (file == null || file.getSize() <= 0) {
System.out.println("file不能为空");
}
OSSClientUtil ossClient=new OSSClientUtil();
String name = ossClient.uploadImg2Oss(file);
String imgUrl = ossClient.getImgUrl(name);
String[] split = imgUrl.split("\\?");
data.put("data", split);
data.put("code", 0);
data.put("msg", "图片上传成功");
} catch (Exception e) {
e.printStackTrace();
data.put("code", 2000);
data.put("msg", "图片上传成功");
}
return JSONObject.toJSONString(data);
}
}
默认上传文件的大小最大为1Mb
添加配置文件：spring.servlet.multipart.max-file-size = 10Mb
image.png
