import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
public void weixin {
public static void main(String[] args) {
String apiUrl = "https://api.weixin.qq.com/cv/img/qrcode?access_token=" + "微信的凭证access_token";
String fileName = "D:/R-C.png";
String boundary = "---------------------------" + System.currentTimeMillis();
File file = new File(fileName);
try {
URL urlObj = new URL(apiUrl);
HttpURLConnection con = (HttpURLConnection) urlObj.openConnection();
con.setRequestMethod("POST");
con.setDoOutput(true);
con.setDoInput(true);
con.setUseCaches(false);
con.setRequestProperty("Connection", "Keep-Alive");
con.setRequestProperty("Charset", "UTF-8");
con.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
DataOutputStream dos = new DataOutputStream(con.getOutputStream());
dos.writeBytes("--" + boundary + "\r\n");
dos.writeBytes("Content-Disposition: form-data; name=\"files\"; filename=\"" + fileName + "\"\r\n");
dos.writeBytes("Content-Type: image/jpeg\r\n\r\n");
FileInputStream fis = new FileInputStream(file);
byte[] buffer = new byte[1024];
int count = 0;
while ((count = fis.read(buffer)) != -1) {
dos.write(buffer, 0, count);
}
fis.close();
dos.writeBytes("\r\n--" + boundary + "--\r\n");
dos.flush();
BufferedReader br = new BufferedReader(new InputStreamReader(con.getInputStream()));
String line;
while ((line = br.readLine()) != null) {
System.out.println(line);
}
br.close();
dos.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
java微信识别照片条码、二维码
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转载自blog.csdn.net/m0_74141658/article/details/129421054
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