cad.net 外部参照功能和相对路径转换 外部参照功能: 相对路径转换:
[CommandMethod("Charu_Xref")] public void Charu() { Document doc = Acap.DocumentManager.MdiActiveDocument; Editor ed = doc.Editor; Database db = doc.Database; ed.WriteMessage(" 附着参照到当前图纸"); using (Transaction tr = db.TransactionManager.StartTransaction()) { string PathName = @"D:桌面 1.饰施图 3.平面图 1.平面图.dwg"; //附着的路径 var file = Path.GetFileNameWithoutExtension(PathName); ObjectId acXrefId = db.AttachXref(PathName, file);//附着外部参照 具体处理要防止参照名称已存在 // 如果创建了有效引用，则继续 if (!acXrefId.IsNull)//不可以换成ok { //插入的基点 var insPt = new Point3d(0, 0, 0); using (var acBlkRef = new BlockReference(insPt, acXrefId)) { var acBlkTblRec = tr.GetObject(db.CurrentSpaceId, OpenMode.ForWrite) as BlockTableRecord; acBlkTblRec.AppendEntity(acBlkRef); tr.AddNewlyCreatedDBObject(acBlkRef, true); } } tr.Commit(); } } [CommandMethod("Chaili_Xref")] public void Chaili() { Document doc = Acap.DocumentManager.MdiActiveDocument; Editor ed = doc.Editor; Database db = doc.Database; ed.WriteMessage(" 卸载/重载/拆离/绑定"); db.SetXref(XrefEnum.UnloadXrefs); db.SetXref(XrefEnum.ReloadXrefs); db.SetXref(XrefEnum.DetachXref); db.SetXref(XrefEnum.BindXrefs); }
namespace JoinBox { public enum XrefEnum { /// <summary> /// 卸载 /// </summary> UnloadXrefs, /// <summary> /// 重载 /// </summary> ReloadXrefs, /// <summary> /// 拆离 /// </summary> DetachXref, /// <summary> /// 绑定 /// </summary> BindXrefs, } public static class XrefTool { /// <summary> /// 修改外部参照 /// </summary> /// <param name="db">数据库</param> /// <param name="xe">设置的枚举状态</param> /// <param name="names">要处理的参照名称,null就处理所有的参照</param> public static void SetXref(this Database db, XrefEnum xe, IEnumerable<string> names = null) { db.ResolveXrefs(false, true);//解析外部参照(使用线性引擎,只做新的) var ids = new ObjectIdCollection(); var xg = db.GetHostDwgXrefGraph(true);//神马是僵尸参照 for (int i = 0; i < xg.NumNodes; i++) { var xNode = xg.GetXrefNode(i) as XrefGraphNode; // if (xNode.XrefStatus != XrefStatus.Resolved) //状态判断 if (xNode.BlockTableRecordId.IsOk()) { if (names != null) { foreach (var item in names) { //只加入名称相同的 if (item.ToUpper() == xNode.Name.ToUpper()) { ids.Add(xNode.BlockTableRecordId); } } } else { //每个都加入 ids.Add(xNode.BlockTableRecordId); } } } // btRec.IsFromOverlayReference //是覆盖? // XrefStatus 外部参照状态 // GetXrefDatabase 外部参照数据库 if (ids.Count == 0) { return; } switch (xe) { case XrefEnum.BindXrefs://绑定后会自动拆离 { db.BindXrefs(ids, true); } break; case XrefEnum.DetachXref: //拆离 { foreach (ObjectId item in ids) { db.DetachXref(item); } } break; case XrefEnum.UnloadXrefs://卸载 { db.UnloadXrefs(ids); } break; case XrefEnum.ReloadXrefs://重载 { db.ReloadXrefs(ids); } break; } } } } /// <summary> /// id有效,未被删除 /// </summary> /// <param name="id"></param> /// <returns></returns> public static bool IsOk(this ObjectId id) { return !id.IsNull && id.IsValid && !id.IsErased && !id.IsEffectivelyErased && id.IsResident; }
相对路径转换:
using System; using System.IO; using System.Linq; using System.Text; namespace JoinBoxCurrency { public static partial class StringTool { // https://blog.****.net/my98800/article/details/51450696 // https://blog.****.net/lishuangquan1987/article/details/53678215 // https://www.cnblogs.com/hont/p/5412340.html #if true // StringTool.GetRelativePath(@"D:MyProjRelease", @"D:MyProjLogMyFile.txt"); // StringTool.GetRelativePath("G:\A1.项目\20190920金山谷黄宅\01.饰施图\03.平面图", "G:\A1.项目\20190920金山谷黄宅\01.饰施图\01.辅助文件\图框\A3图框.dwg"); /// <summary> /// 绝对路径->相对路径 /// </summary> /// <param name="strDbPath">绝对路径</param> /// <param name="strXrefPath">相对关系</param> /// <returns></returns> public static string GetRelativePath(string strDbPath, string strXrefPath) { string[] strDbPaths = strDbPath.Split('\'); string[] strXrefPaths = strXrefPath.Split('\'); //获取两条路径中的最短路径 int length = strDbPaths.Length < strXrefPaths.Length ? strDbPaths.Length : strXrefPaths.Length; //用于确定我们退出的循环中的位置。 int lastCommonRoot = -1; int index; //找到共根 for (index = 0; index < length; index++) { if (strDbPaths[index] == strXrefPaths[index]) { lastCommonRoot = index; } else { break; } } //如果我们没有找到一个共同的前缀，那么抛出 if (lastCommonRoot == -1) { throw new ArgumentException("路径没有公共相同路径部分"); } //建立相对路径 var relativePath = new StringBuilder(); for (index = lastCommonRoot + 1; index < strDbPaths.Length; index++) { if (strDbPaths[index].Length > 0) { relativePath.Append("..\");//上级目录加入 } } //添加文件夹 for (index = lastCommonRoot + 1; index < strXrefPaths.Length - 1; index++) { relativePath.Append(strXrefPaths[index] + "\"); } //本级目录 if (relativePath.Length == 0) { relativePath.Append(".\"); } relativePath.Append(strXrefPaths[strXrefPaths.Length - 1]);//下级目录加入 return relativePath.ToString(); } #else /// <summary> /// 绝对路径->相对路径 /// StringTool.GetRelativePath(@"D:MyProjRelease", @"D:MyProjLogMyFile.txt"); /// StringTool.GetRelativePath("G:\A1.项目\20190920金山谷黄宅\01.饰施图\03.平面图", "G:\A1.项目\20190920金山谷黄宅\01.饰施图\01.辅助文件\图框\A3图框.dwg"); /// </summary> /// <param name="strDbPath">绝对路径</param> /// <param name="strXrefPath">相对关系</param> /// <returns></returns> public static string GetRelativePath(string strDbPath, string strXrefPath) { Uri uri1 = new Uri(strXrefPath); Uri uri2 = new Uri(strDbPath); Uri relativeUri = uri2.MakeRelativeUri(uri1);//测试例子变成 01.%E8%BE%85%E5%8A%A9%E6%96%87%E4%BB%B6/%E5%9B%BE%E6%A1%86/A3%E5%9B%BE%E6%A1%86.dwg string str = relativeUri.ToString(); //因为这里不会实现".A.dwg"而是"A.dwg",所以加入这个操作,满足同目录文件 var strs = str.Split('\'); if (strs.Length == 1) { str = ".\" + str; } return str; } #endif /// <summary> /// 相对路径->绝对路径 /// </summary> /// <param name="path_dwg">dwg基础路径</param> /// <param name="xiangdui">相对路径</param> /// <returns>完整路径</returns> public static string GetCompletePath(string path_dwg, string xiangdui) { string re_path_opend; var path_dwgs = path_dwg.Split('\'); path_dwgs = path_dwgs.Where(s => !string.IsNullOrEmpty(s)).ToArray();//清理空数组 var path_xiangduis = Path.GetDirectoryName(xiangdui).Split('\'); //判断向上删除几个 int inx = 0; foreach (var item in path_xiangduis) { if (item == "..") { inx++; } else { break; } } //前段 var pathA = new StringBuilder(); for (int i = 0; i < path_dwgs.Length - inx; i++) { pathA.Append(path_dwgs[i] + "\"); } //后段 var pathB = new StringBuilder(); foreach (var item in path_xiangduis) { if (item != "." && item != "..") { pathB.Append(item + "\"); } } if (!string.IsNullOrEmpty(xiangdui) && xiangdui[0] == '.') { re_path_opend = pathA.ToString() + pathB.ToString() + Path.GetFileName(xiangdui); } else { re_path_opend = xiangdui; } return re_path_opend; } } }
(完)