基于区块链的数字版权管理的设计与实现+详细文档+全部资料（高分毕业设计）.zip

package net.Ken365X.Action; import com.opensymphony.xwork2.ActionSupport; import net.Ken365X.Entity.Masterprise; import net.Ken365X.Entity.Task; import net.Ken365X.Service.TaskService; import net.Ken365X.Utils.StreamUtil; import org.apache.struts2.ServletActionContext; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.PrintWriter; import java.text.SimpleDateFormat; import java.util.Date; import java.util.List; import java.util.Set; import static net.Ken365X.Action.MessageAction.LoseOfImportantParam; /** * Created by mac on 2018/7/12. */ public class TaskAction extends ActionSupport{ private TaskService taskService; private HttpServletRequest httpServletRequest; private HttpServletResponse httpServletResponse; { // get the instance of request and response httpServletRequest = ServletActionContext.getRequest(); httpServletResponse = ServletActionContext.getResponse(); } public static final int NoErrorOccured = 0; public static final int JSONSemanticError = -101; public static final int ImportantParamIsNull = -1; public static final int DataFormatError = -2; public static final int AddTaskFail = -3; public static final int Update_Error = -4; public static final int ChangeFail = -1; public static final int ChangeSuccess = 0; public static final int GetFail = -1; public static final int GetSuccess = 0; public String addNewtask() throws Exception{ String content = StreamUtil.inputStream2String(httpServletRequest.getInputStream()); JSONObject jsonObject = null; int res_code = NoErrorOccured; String res_info = null; String username = null; String name = null; String title = null; String info = null; String classify = null; Date startDay = null; Date endDay = null; Date starrDay2 = null; Date endDay2 = null; List<String> sub_task_title = null; List<String> sub_task_info = null; List<String> picture_info = null; double money = 0; int num_picture = 0; double property = -1; int id = 0; try { jsonObject = new JSONObject(content); if(jsonObject.has("username") && jsonObject.has("name") && jsonObject.has("title") && jsonObject.has("info") && jsonObject.has("classify") && jsonObject.has("start_day")&& jsonObject.has("end_day") && jsonObject.has("sub_task_title")&& jsonObject.has("sub_task_info") && jsonObject.has("picture_info")&& jsonObject.has("num_picture") && jsonObject.has("money") && jsonObject.has("property")){ username = jsonObject.getString("username"); if(username.length() == 0 || username.equals("")){ res_code = ImportantParamIsNull; res_info = "Some Of Important Params is null"; } classify = jsonObject.getString("classify"); if(classify.length() == 0 || classify.equals("")){ res_code = ImportantParamIsNull; res_info = "Some Of Important Params is null"; } title = jsonObject.getString("title"); if(title.length() == 0 || title.equals("")){ res_code = ImportantParamIsNull; res_info = "Some Of Important Params is null"; } name = jsonObject.getString("name"); if(name.length() == 0 || name.equals("")){ res_code = ImportantParamIsNull; res_info = "Some Of Important Params is null"; } info = jsonObject.getString("info"); if(info.length() == 0 || info.equals("")){ res_code = ImportantParamIsNull; res_info = "Some Of Important Params is null"; } num_picture = jsonObject.getInt("num_picture"); money = jsonObject.getDouble("money"); property = jsonObject.getDouble("property"); SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); try{ startDay = simpleDateFormat.parse(jsonObject.getString("start_day")); endDay = simpleDateFormat.parse(jsonObject.getString("end_day")); starrDay2 = simpleDateFormat.parse(jsonObject.getString("start_day2")); endDay2 = simpleDateFormat.parse(jsonObject.getString("end_day2")); }catch(Exception e){ // e.printStackTrace(); res_code = DataFormatError; res_info = "Data Format error"; } JSONArray jsonArray = jsonObject.getJSONArray("sub_task_title"); sub_task_title = (List<String>) (List) jsonArray.toList(); jsonArray = jsonObject.getJSONArray("sub_task_info"); sub_task_info = (List<String>) (List) jsonArray.toList(); jsonArray = jsonObject.getJSONArray("picture_info"); picture_info = (List<String>) (List) jsonArray.toList(); if(res_code == NoErrorOccured){ boolean result = taskService.addNewTask(name,title,info,classify, money,num_picture,startDay,endDay,sub_task_title,sub_task_info, picture_info,username,property,starrDay2,endDay2); if (result == false){ res_code = AddTaskFail; res_info = "Add task fail. Maybe No that enterprise"; }else { Task task = taskService.getTaskPropertyByName(name); id = task.getTask_id(); res_code = NoErrorOccured; res_info = "Add Success"; } } }else{ res_code = LoseOfImportantParam; res_info = "Lose Of Param"; } }catch (JSONException e){ res_code = JSONSemanticError; res_info = "Json Semantic worng"; }catch(Exception e){ e.printStackTrace(); } JSONObject jsonObject1 = new JSONObject(); jsonObject1.put("res_code",res_code); jsonObject1.put("res_str",res_info); jsonObject1.put("id",id); httpServletResponse.setCharacterEncoding("UTF-8"); httpServletResponse.setContentType("application/json; charset=utf-8"); httpServletResponse.addHeader("Access-Control-Allow-Origin", "*"); httpServletResponse.addHeader("Access-Control-Allow-Headers", "Content-Type,XFILENAME,XFILECATEGORY,XFILESIZE"); String jsonoutput = jsonObject1.toString(); PrintWriter out = httpServletResponse.getWriter(); out.print(jsonoutput); out.flush(); out.close(); return SUCCESS; } public String changeTaskInfoById() throws Exception{ String content = StreamUtil.inputStream2String(httpServletRequest.getInputStream()); JSONObject jsonObject = null; int res_code = NoErrorOccured; String res_info = null; int id = 0; String title = null; String info = null; String classify = null; Date startDay = null; Date endDay = null; double money = 0; int num_picture = -1; double property = -1; try { jsonObject = new JSONObject(content); if(jsonObject.has("id")){ if(jsonObject.has("id") && res_code != Update_Error){ id = j