微信小程序结合七牛云上传图片的后台demo

package tool; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.json.JSONException; import org.json.JSONObject; import com.qiniu.util.Auth; @WebServlet(urlPatterns="/image/upToken") public class TokenServlet extends HttpServlet { private static final long serialVersionUID = 1L; public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException { String accessKey = "pCGCRW4U5hR*****************************"; String secretKey = "ENbxsBjPSdp*****************************"; // 要上传的空间名-- String bucket = "zcm********"; //默认不指定key的情况下，以文件内容的hash值作为文件名 // String key = "zcm******/"+fileName; String key = null; Auth auth = Auth.create(accessKey, secretKey); String upToken = auth.uploadToken(bucket, key); System.out.println(upToken); response.setContentType("text/html;charset=UTF-8"); // PrintWriter out = response.getWriter(); // out.write(upToken); JSONObject obj = new JSONObject() ; // 定义一个描述json的数据 try { obj.put("uptoken",upToken); } catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } response.getWriter().write(obj.toString()); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException { doGet(request, response); } }