package org.springblade.common.utils;
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import com.aspose.cad.Image;
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import org.kabeja.dxf.DXFDocument;
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import org.kabeja.dxf.DXFEntity;
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import org.kabeja.dxf.DXFLayer;
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import org.kabeja.dxf.DXFText;
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import org.kabeja.parser.ParseException;
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import org.kabeja.parser.Parser;
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import org.kabeja.parser.ParserBuilder;
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import java.io.*;
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import java.util.Iterator;
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import java.util.List;
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public class CADParserUtil {
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/**
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* 读取DXF文件图层
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* @param filePath
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* @return
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* @throws FileNotFoundException
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* @throws ParseException
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*/
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public static String parser(String filePath) throws FileNotFoundException, ParseException {
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Parser dxfParser = ParserBuilder.createDefaultParser();
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dxfParser.parse(new FileInputStream(filePath), "UTF-8");//需要转换的dxf
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DXFDocument doc = dxfParser.getDocument();
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StringBuffer sb = new StringBuffer();
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//遍历图层
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Iterator iter= doc.getDXFLayerIterator();
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while (iter.hasNext()){
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DXFLayer dxfLayer = (DXFLayer)iter.next();
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String layerName=dxfLayer.getName();
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System.out.println("读取图层"+layerName);
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readEntity(dxfLayer,sb);
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}
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System.out.println("最终数据 = " + sb);
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return sb.toString();
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}
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/**
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* 读取图层下都有哪些类型的实体
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* @param layer
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*/
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public static void readEntity(DXFLayer layer,StringBuffer sb){
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Iterator iter= layer.getDXFEntityTypeIterator();
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while (iter.hasNext()){
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String s=(String) iter.next();
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System.out.println("类型 = " + s);
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getEntity(layer,s,sb);
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}
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}
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/**
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* 读取图层下的TEXT实体
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* @param layer
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* @param type
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*/
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public static void getEntity(DXFLayer layer, String type,StringBuffer sb) {
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if (type.equals("LWPOLYLINE")) {
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List<DXFEntity> entities = layer.getDXFEntities(type);
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for (int i = 0; i < entities.size(); i++) {
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if ((entities.get(i) instanceof DXFText)) {
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DXFText dxfText = (DXFText) entities.get(i);
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String text = dxfText.getText();
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sb.append(text).append("\n");
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}
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}
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}
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}
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public static void main(String[] args) {
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try {
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// 指定输入和输出文件的路径。
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String inputDWG = "F:\\test4jdata\\cad\\tdsyqk.dwg";
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String outputDXF = "F:\\test4jdata\\cad\\tdsyqk.dxf";
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// 加载输入 DWG 文件
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Image cadImage = Image.load(inputDWG);
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// 保存输出 DXF 文件
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cadImage.save(outputDXF);
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String text = parser(outputDXF);
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System.out.println(text);
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} catch (IOException | ParseException e) {
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e.printStackTrace();
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}
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}
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}
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