import java.io.File;
		import org.json.JSONObject;
		import com.jeedsoft.common.basic.http.mime.MultipartContent;
		import com.jeedsoft.common.basic.util.JsonUtil;
		
		
		public class TestAttachment {
			public static void uploadAttachment(JSONObject args){
				String filePath = JsonUtil.getString(args, "filePath");
				File file = new File(filePath);
				MultipartContent mc = new MultipartContent();
				mc.put("file", file);
				mc.put("args", args);
				//此处的Common为4-1中的Common类
				Common.callWsAndPrintResult("Qs.Attachment.uploadEntityAttachment.data", mc);
			}
			
			public static void main(String[] args){
				JSONObject json = new JSONObject();
				//unitId和entityId分别为业务单元id和业务单元的数据id
				JsonUtil.put(json, "unitId", "f3ae5199-fcbb-425a-b879-7eec4c7e846c");
				JsonUtil.put(json, "entityId", "15a07220-af10-093d-1136-008cfa4f6aed");
				JsonUtil.put(json, "filePath", "C:/Users/admin/Desktop/test.txt");
				uploadAttachment(json);
			}

		}