利用水墨映客图床作为COS服务器 - ToB企服应用市场:ToB评测及商务社交产业平台

{
"code":200,
"msg":"success",
"data":
{
"id":"281381",
"name":".jpg",
"url":"https:\/\/pic2.ziyuan.wang\/user\/userNickName\/2024\/04\/fileName_d75b474147589.jpg", "size":101168,
"mime":"image\/jpeg",
"sha1":"9adb76331eb1254567547afea3e516ac1901eac1",
"md5":"aef7bc728fd44e77d5688529c8122882",
"quota":"6485442560.00",
"use_quota":"6666141.00"
},
"time":1714282312
}

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// 设置上传地址
URL url = new URL("https://img.ink/api/upload");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
// 设置请求方法为POST
connection.setRequestMethod("POST");
connection.setDoOutput(true);
// 设置请求头
connection.setRequestProperty("token", "你的请求头"); // 替换为你的token，在设置中获取
// 构建请求参数
String boundary = Long.toHexString(System.currentTimeMillis());//用来标识multipart/form-data内容类型的边界字符串，使用时间戳，确保每次请求的边界字符串都是唯一的，以避免冲突
connection.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);//设置上传文件的格式
OutputStream output = connection.getOutputStream();//获取与HTTP连接关联的输出流
PrintWriter writer = new PrintWriter(new OutputStreamWriter(output, "UTF-8"), true);//向输出流写入文本形式的数据

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writer.append("--" + boundary).append("\r\n");//添加了一个分隔边界标记
writer.append("Content-Disposition: form-data; name="image"; filename="" + fileName + """).append("\r\n");//设置Content-Disposition头部信息,
writer.append("Content-Type: image/jpeg").append("\r\n");//声明上传文件的MIME类型为image/jpeg
writer.append("\r\n");//回车换行符作为分隔
writer.flush();

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//接受传入的输入流
InputStream input = inputStream;
byte[] buffer = new byte[4096];//临时存储从输入流中读取的数据
int bytesRead;
//持续读取输入流中的数据直到没有数据
while ((bytesRead = input.read(buffer)) != -1) {
output.write(buffer, 0, bytesRead);
}
output.flush();
input.close();
// 结束整个multipart/form-data请求体
writer.append("\r\n").append("--" + boundary + "--").append("\r\n");
writer.close();

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//获取服务器对上传请求的响应状态码,200代表上传成功
int responseCode = connection.getResponseCode();
if (responseCode == HttpURLConnection.HTTP_OK) {
BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String line;
StringBuffer response = new StringBuffer();
//逐行读取服务器返回的文本数据
while ((line = reader.readLine()) != null) {
response.append(line);
}
reader.close();
ObjectMapper mapper = new ObjectMapper();
//使用Jackson库的ObjectMapper来解析response中的JSON字符串为JsonNode对象
JsonNode rootNode = mapper.readTree(String.valueOf(response));
//从解析出的JSON对象中，通过路径rootNode.path("data")定位到"data"节点，再从该节点下获取"url"字段的值，即图片上传后的URL
JsonNode userNode = rootNode.path("data");
String imgUrl = userNode.path("url").asText();
return imgUrl;
} else {
return "error";
}

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String originalFilename = file.getOriginalFilename();//获取完整文件名
String fileName = originalFilename.substring(originalFilename.lastIndexOf("."));//获取文件名后缀
String url = InkImageUtil.uploadImg(fileName,file.getInputStream());//调用方法上传图片

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public class InkImageUtil {
public static String uploadImg(String fileName,InputStream inputStream) throws IOException {
// 设置上传地址
URL url = new URL("https://img.ink/api/upload");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
// 设置请求方法为POST
connection.setRequestMethod("POST");
connection.setDoOutput(true);
// 设置请求头
connection.setRequestProperty("token", "f3ee57bcc8d796ea9b72bd776f243d98"); // 替换为你的token
// 构建请求参数
String boundary = Long.toHexString(System.currentTimeMillis());
connection.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
OutputStream output = connection.getOutputStream();
PrintWriter writer = new PrintWriter(new OutputStreamWriter(output, "UTF-8"), true);
// 添加图片参数
writer.append("--" + boundary).append("\r\n");
writer.append("Content-Disposition: form-data; name="image"; filename="" + fileName + """).append("\r\n");
writer.append("Content-Type: image/jpeg").append("\r\n");
writer.append("\r\n");
writer.flush();
// 读取图片内容并写入请求
InputStream input = inputStream;
byte[] buffer = new byte[4096];
int bytesRead;
while ((bytesRead = input.read(buffer)) != -1) {
output.write(buffer, 0, bytesRead);
}
output.flush();
input.close();
// 结束请求
writer.append("\r\n").append("--" + boundary + "--").append("\r\n");
writer.close();
// 获取响应
int responseCode = connection.getResponseCode();
if (responseCode == HttpURLConnection.HTTP_OK) {
BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String line;
StringBuffer response = new StringBuffer();
while ((line = reader.readLine()) != null) {
response.append(line);
}
reader.close();
System.out.println(response.toString());
ObjectMapper mapper = new ObjectMapper();
JsonNode rootNode = mapper.readTree(String.valueOf(response));
JsonNode userNode = rootNode.path("data");
String imgUrl = userNode.path("url").asText();
return imgUrl;
} else {
return "error";
}
}
}

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@PostMapping("/upload")
public Result<String> fileUpload(MultipartFile file) throws IOException {
String originalFilename = file.getOriginalFilename();
String fileName = originalFilename.substring(originalFilename.lastIndexOf("."));
String url = InkImageUtil.uploadImg(fileName,file.getInputStream());
return Result.success(url);
}

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