using Autodesk.AutoCAD.DatabaseServices;
using Autodesk.AutoCAD.Runtime;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;namespace TextBatchReplace
{public class Tools{[CommandMethod("TBR")]public void TextBatchReplace(){List<KeyValuePair<string, string>> liststring = new List<KeyValuePair<string, string>>();// 添加需要替换和替换后的文本 liststring.Add(new KeyValuePair<string, string>("需要替换的文本", "替换后文本"));  // 打开图形数据库Database db = HostApplicationServices.WorkingDatabase;// 打开事务处理using (Transaction trans = db.TransactionManager.StartTransaction()){// 以只读方式打开块表BlockTable bt = (BlockTable)trans.GetObject(db.BlockTableId, OpenMode.ForRead);// 以写的方式打开块表记录BlockTableRecord btr = (BlockTableRecord)trans.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite);// 在块表记录中遍历对象foreach (ObjectId id in btr){DBObject ent = trans.GetObject(id, OpenMode.ForWrite);// 判断是否是单行文字if(ent is DBText){DBText dbText = ent as DBText;int newstring = ReplaceString(dbText.TextString.Trim(), liststring);// 如果正确索引到该文本字符串if(newstring >= 0){// 执行替换dbText.TextString = dbText.TextString.Replace(liststring[newstring].Key.Trim(), liststring[newstring].Value.Trim());}}// 如果是多行文本else if (ent is MText){MText mText = ent as MText;int newstring = ReplaceString(mText.Contents.Trim(), liststring);if (newstring >= 0){mText.Contents = mText.Contents.Replace(liststring[newstring].Key.Trim(), liststring[newstring].Value.Trim());}}}trans.Commit();}}// IndexOf() 查找字串中指定字符或字串首次出现的位置,返首索引值// Trim()    用于删除字符串头部及尾部出现的空格，删除的过程为从外到内，直到碰到一个非空格的字符为止/// <summary>/// 字符串查找/// </summary>/// <param name="inputstring">输入字符串</param>/// <param name="getalls"></param>/// <returns></returns>private int ReplaceString(string inputstring, List<KeyValuePair<string, string>> allgetstring){int returnvalues = -1;for (int i = 0; i < allgetstring.Count; i++){if (inputstring.Trim().IndexOf(allgetstring[i].Key.Trim()) >= 0) {returnvalues = i;break;}}return returnvalues;}}
}