.....

src/main/java/cn/com/qmth/examcloud/web/upyun/UpYunClient.java

@@ -11,6 +11,7 @@ import java.text.SimpleDateFormat;
 import java.util.Base64;
 import java.util.Calendar;
 import java.util.Locale;
+import java.util.Map;
 import java.util.TimeZone;
 
 import javax.crypto.Mac;
@@ -29,6 +30,8 @@ import org.apache.http.impl.client.HttpClients;
 import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
 import org.apache.http.util.EntityUtils;
 
+import com.google.common.collect.Maps;
+
 import cn.com.qmth.examcloud.commons.exception.ExamCloudRuntimeException;
 import cn.com.qmth.examcloud.commons.exception.StatusException;
 import cn.com.qmth.examcloud.commons.logging.ExamCloudLog;
@@ -105,6 +108,36 @@ public class UpYunClient {
 		this.md5Password = MD5.encrypt32(password);
 	}
 
+	/**
+	 * 创建又拍云签名
+	 *
+	 * @author WANGWEI
+	 * @param filePath
+	 * @return
+	 */
+	public UpYunSign buildUpYunSign(String filePath) {
+		String path = formatPath(filePath);
+		String url = "https://" + API_DOMAIN + path;
+
+		Map<String, String> headers = Maps.newHashMap();
+		String date = getDate();
+		String authorization = null;
+		try {
+			authorization = sign(userName, md5Password, METHOD_PUT, path, date, "", "");
+		} catch (Exception e) {
+			throw new StatusException("100005", "[upyun]. fail to build sign", e);
+		}
+		headers.put(AUTHORIZATION, authorization);
+		headers.put(DATE, date);
+		headers.put(MKDIR, "true");
+
+		UpYunSign sign = new UpYunSign();
+		sign.setUrl(url);
+		sign.setHeaders(headers);
+
+		return sign;
+	}
+
 	/**
 	 * 上传文件
 	 *

src/main/java/cn/com/qmth/examcloud/web/upyun/UpYunSign.java

@@ -0,0 +1,31 @@
+package cn.com.qmth.examcloud.web.upyun;
+
+import java.util.Map;
+
+import cn.com.qmth.examcloud.api.commons.exchange.JsonSerializable;
+
+public class UpYunSign implements JsonSerializable {
+
+	private static final long serialVersionUID = -1039684070963660489L;
+
+	private String url;
+
+	private Map<String, String> headers;
+
+	public String getUrl() {
+		return url;
+	}
+
+	public void setUrl(String url) {
+		this.url = url;
+	}
+
+	public Map<String, String> getHeaders() {
+		return headers;
+	}
+
+	public void setHeaders(Map<String, String> headers) {
+		this.headers = headers;
+	}
+
+}