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449 lines
16 KiB
449 lines
16 KiB
using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Web;
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namespace FangYar.WebUI.ashx
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{
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/// <summary>
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/// OaKnolageHandler 的摘要说明
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/// </summary>
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public class OaKnolageHandler : IHttpHandler
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{
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private FangYar.BLL.OA.OA_KNOWLEDGEBASE bll = new BLL.OA.OA_KNOWLEDGEBASE();
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public void ProcessRequest(HttpContext context)
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{
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context.Response.ContentType = "text/plain";
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string action = context.Request.Params["Action"];
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string returnstr = "";
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switch (action)
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{
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case "List":
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returnstr = List(context);
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break;
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case "Add":
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returnstr = Add(context);
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break;
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case "Edit":
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returnstr = Edit(context);
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break;
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case "Del":
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returnstr = Del(context);
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break;
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case "getDicdetail":
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returnstr = getDicdetail(context);
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break;
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}
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context.Response.Write(returnstr);
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}
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//查询
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private string List(HttpContext context)
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{
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string returnstr = "";
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try
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{
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string OrgId = context.Request.Params["OrgId"];
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string treeID = context.Request.Params["treeID"];
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string is_content = context.Request.Params["is_content"];
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string cls = context.Request.Params["cls"];
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string ntype = context.Request.Params["ntype"];
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string keyword = context.Request.Params["keyword"];
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string page = context.Request.Params["page"];
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string limit = context.Request.Params["limit"];
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int pageIndex = 1;
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int pageSize = 10;
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if (!string.IsNullOrEmpty(page)) { pageIndex = int.Parse(page); }
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if (!string.IsNullOrEmpty(limit)) { pageSize = int.Parse(limit); }
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int startIndex = (pageIndex - 1) * pageSize ;
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int endIndex = pageSize;
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string where = "1=1";
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if (!string.IsNullOrEmpty(treeID) && treeID != OrgId)
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{
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if (is_content == "1")
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{
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where = " org_id in ( select o.org_id from fire_org o,(select get_Org_child_list('" + treeID + "') cids ) s where find_in_set(org_id,cids) ) ";
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}
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else
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{
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where = " ORG_ID = '" + treeID + "'";
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}
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}
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else
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{
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if (is_content == "1")
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{
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where = " org_id in ( select o.org_id from fire_org o,(select get_Org_child_list('" + OrgId + "') cids ) s where find_in_set(org_id,cids) ) ";
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}
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else
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{
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where = "ORG_ID = '" + OrgId + "'";
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}
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}
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if (!string.IsNullOrEmpty(cls))
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{
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where += " and CLS = '" + cls + "'";
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}
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if (!string.IsNullOrEmpty(ntype))
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{
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where += " and NTYPE = '" + ntype + "'";
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}
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if (!string.IsNullOrEmpty(keyword))
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{
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where += " and ART_TITLE like '%" + keyword + "%' ";
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}
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returnstr = "{\"code\":0,\"msg\":\"\",";
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int count = bll.GetRecordCount(where);
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returnstr += "\"count\":" + count + ",\"data\":";
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if (count == 0)
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{
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returnstr += "[]";
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}
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else
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{
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DataTable dt = bll.GetListByPage(where, "", startIndex, endIndex).Tables[0];
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returnstr += Common.JsonHelper.ToJson(dt);
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}
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returnstr += "}";
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}
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catch (Exception e)
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{
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returnstr = "{\"code\":0,\"msg\":\"error\",\"count\":0,\"data\":[]";
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}
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return returnstr;
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}
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private string getDicdetail(HttpContext context)
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{
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string returnstr = "";
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try
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{
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string mod_code = context.Request.Params["mod_code"];
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string dic_fid = context.Request.Params["dic_fid"];
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string where = " mod_code = '" + mod_code + "' ";
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if (!string.IsNullOrEmpty(dic_fid))
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{
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where += " and dic_fid = '" + dic_fid + "' ";
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}
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else
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{
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where += " and dic_fid is null ";
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}
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FangYar.BLL.TBL.SysDicdetailBLL dicbll = new BLL.TBL.SysDicdetailBLL();
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returnstr = "{\"code\":0,\"msg\":\"\",";
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returnstr += "\"count\":-1,\"data\":";
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DataTable dt = dicbll.GetList(where).Tables[0];
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returnstr += FangYar.Common.JsonHelper.ToJson(dt);
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returnstr += "}";
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}
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catch
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{
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returnstr = "{\"code\":-1,\"msg\":\"error\",\"count\":0,\"data\":[]}";
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}
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return returnstr;
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}
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//添加
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private string Add(HttpContext context)
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{
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string returnstr = "";
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int code = -1;
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string msg = "";
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try
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{
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string id = Guid.NewGuid().ToString("N");
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string cls = context.Request.Params["cls"];
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string ntype = context.Request.Params["ntype"];
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string art_title = context.Request.Params["art_title"];
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string art_come = context.Request.Params["art_come"];
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string art_pic = context.Request.Params["art_pic"];
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string art_short = context.Request.Params["art_short"];
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string art_cont = context.Request.Params["art_cont"];
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string org_id = context.Request.Params["org_id"];
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string org_name = context.Request.Params["org_name"];
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string uid = context.Request.Params["uid"];
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string uname = context.Request.Params["uname"];
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byte[] outputb = Convert.FromBase64String(art_cont);
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string orgStr = Encoding.Default.GetString(outputb);
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string art_conttext = System.Web.HttpUtility.UrlDecode(orgStr);//将Url中的编码转换为简体汉字 , System.Text.Encoding.GetEncoding("GB2312")
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////存储图片
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string picture = GetUploadImg(context);
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//
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FangYar.Model.OA.OA_KNOWLEDGEBASE model = new Model.OA.OA_KNOWLEDGEBASE();
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model.ID = id;
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model.RECORDSNUM = 0;
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model.USERS_UID = uid;
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model.USERS_NAME = uname;
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model.ORG_ID = org_id;
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model.ORG_NAME = org_name;
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model.CREATE_TIME = DateTime.Now;
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model.CLS = cls;
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model.NTYPE = ntype;
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model.ART_TITLE = art_title;
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model.ART_COME = art_come;
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model.ART_PIC = picture;
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model.ART_SHORT = art_short;
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model.ART_CONT = art_conttext;
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if (bll.Add(model))
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{
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msg = "添加成功！";
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code = 1;
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}
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else { msg = "添加失败！"; }
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}
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catch
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{
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msg = "添加失败！";
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}
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returnstr = "{\"msg\":\"" + msg + "\",\"code\":" + code + "}";
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return returnstr;
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}
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//图片上传
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private string GetUploadImg(HttpContext context)
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{
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string returnStr = "";
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try
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{
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string serverPath = "Upload/OA/Kon/";
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string base64Str = context.Request.Params["art_pic"];
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base64Str = base64Str.Replace("data:image/png;base64,", "").Replace("data:image/jgp;base64,", "")
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.Replace("data:image/jpg;base64,", "").Replace("data:image/jpeg;base64,", ""); //将base64头部信息替换
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byte[] imageBytes = Convert.FromBase64String(base64Str);
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using (MemoryStream ms = new MemoryStream(imageBytes, 0, imageBytes.Length))
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{
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ms.Write(imageBytes, 0, imageBytes.Length);
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System.Drawing.Image img = Image.FromStream(ms, true);//将流中的图片转换为Image图片对象
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Random ran = new Random((int)DateTime.Now.Ticks);//利用时间种子解决伪随机数短时间重复问题
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if (!Directory.Exists(context.Server.MapPath("~/" + serverPath)))
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{
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DirectoryInfo directoryInfo = new DirectoryInfo(context.Server.MapPath("~/" + serverPath));
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directoryInfo.Create();
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}
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//文件保存位置及命名，精确到毫秒并附带一组随机数，防止文件重名，数据库保存路径为此变量
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//string serverPath = "Upload/Device/";
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string filename = serverPath + DateTime.Now.ToString("yyyyMMddhhmmssms") + ran.Next(99999) + ".jpg";
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//路径映射为绝对路径
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string path = context.Server.MapPath("~/") + filename;
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img.Save(path);//图片保存，JPEG格式图片较小
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returnStr = filename;
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}
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}
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catch (Exception ex) { }
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return returnStr;
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}
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//修改
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private string Edit(HttpContext context)
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{
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string returnstr = "";
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int code = -1;
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string msg = "";
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try
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{
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string id = context.Request.Params["ID"];
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string cls = context.Request.Params["cls"];
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string ntype = context.Request.Params["ntype"];
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string art_title = context.Request.Params["art_title"];
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string art_come = context.Request.Params["art_come"];
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string art_pic = context.Request.Params["art_pic"];
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string art_pictype = context.Request.Params["art_pictype"];
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string art_short = context.Request.Params["art_short"];
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string art_cont = context.Request.Params["art_cont"];
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string org_id = context.Request.Params["org_id"];
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string org_name = context.Request.Params["org_name"];
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string uid = context.Request.Params["uid"];
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string uname = context.Request.Params["uname"];
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//转码文本域内容
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byte[] outputb = Convert.FromBase64String(art_cont);
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string orgStr = Encoding.Default.GetString(outputb);
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string art_conttext = System.Web.HttpUtility.UrlDecode(orgStr);//将Url中的编码转换为简体汉字 , System.Text.Encoding.GetEncoding("GB2312")
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//存储图片
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string picture = "";
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if (art_pictype == "0")
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{
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picture = GetUploadImg(context);
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}
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else
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{
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picture = art_pic;
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}
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FangYar.Model.OA.OA_KNOWLEDGEBASE model = bll.GetModel(id);
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if (model != null)
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{
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model.ID = id;
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model.RECORDSNUM = 0;
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model.CLS = cls;
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model.NTYPE = ntype;
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model.ART_TITLE = art_title;
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model.ART_COME = art_come;
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model.ART_PIC = picture;
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model.ART_SHORT = art_short;
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model.ART_CONT = art_conttext;
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model.UPDATE_TIME = DateTime.Now;
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if (bll.Update(model))
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{
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msg = "编辑成功！";
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code = 1;
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}
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else { msg = "编辑失败！"; }
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}
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else
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{
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msg = "编辑失败！";
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}
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}
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catch
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{
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msg = "编辑失败！";
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}
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returnstr = "{\"msg\":\"" + msg + "\",\"code\":" + code + "}";
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return returnstr;
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}
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//删除车辆
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private string Del(HttpContext context)
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{
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string returnstr = "";
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int code = -1;
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string msg = "";
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try
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{
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string id = context.Request.Params["id"];
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if (bll.Delete(id))
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{
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msg = "删除成功！";
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code = 1;
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}
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else
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{
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msg = "删除失败！";
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}
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}
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catch
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{
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msg = "删除失败！";
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}
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returnstr = "{\"code\":" + code + ",\"msg\":\"" + msg + "\"}";
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return returnstr;
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}
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/// <summary>
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/// 将Base64字符串转换为图片并保存到本地
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/// </summary>
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/// <param name="base64Str">base64字符串</param>
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/// <param name="savePath">图片保存地址，如：/Content/Images/10000.png</param>
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/// <returns>保存路径</returns>
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private string Base64StrToImage(string base64Str, string savePath)
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{
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var ret = "";
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try
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{
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base64Str = base64Str.Replace("data:image/png;base64,", "").Replace("data:image/jgp;base64,", "")
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.Replace("data:image/jpg;base64,", "").Replace("data:image/jpeg;base64,", ""); //将base64头部信息替换
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byte[] imageBytes = Convert.FromBase64String(base64Str);
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using (MemoryStream ms = new MemoryStream(imageBytes, 0, imageBytes.Length))
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{
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ms.Write(imageBytes, 0, imageBytes.Length);
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var bitmap = Image.FromStream(ms, true);
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if (bitmap != null)
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{
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//创建文件夹
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var folderPath = savePath.Substring(0, savePath.LastIndexOf('\\'));
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////FileHelper.CreateDir(folderPath);
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if (!Directory.Exists(folderPath))
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{
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Directory.CreateDirectory(folderPath);
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}
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//图片后缀格式
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var suffix = savePath.Substring(savePath.LastIndexOf('.') + 1,
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savePath.Length - savePath.LastIndexOf('.') - 1).ToLower();
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var suffixName = suffix == "png"
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? ImageFormat.Png
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: suffix == "jpg" || suffix == "jpeg"
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? ImageFormat.Jpeg
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: suffix == "bmp"
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? ImageFormat.Bmp
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: suffix == "gif"
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? ImageFormat.Gif
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: ImageFormat.Jpeg;
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//这里复制一份对图像进行保存，否则会出现“GDI+ 中发生一般性错误”的错误提示
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var bmpNew = new Bitmap(bitmap);
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bmpNew.Save(savePath, suffixName);
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bmpNew.Dispose();
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bitmap.Dispose();
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ret = savePath;
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}
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else
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{
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ret = "";
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}
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}
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}
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catch (Exception ex)
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{
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ret = "";
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}
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return ret;
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}
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public bool IsReusable
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{
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get
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{
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return false;
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}
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}
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}
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}
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