新增cad 文件的转换和数据读取

zrj

2024-10-25 84e516ac5d28f960bb038c0f56b76a00db280215

新增cad 文件的转换和数据读取

 pom.xml

@@ -215,6 +215,23 @@
            <artifactId>lombok</artifactId>
            <scope>provided</scope>
        </dependency>
        <!--解析 cad dxf 文件依赖-->
        <!-- https://mvnrepository.com/artifact/org.kabeja/kabeja -->
        <dependency>
            <groupId>org.kabeja</groupId>
            <artifactId>kabeja</artifactId>
            <version>0.4</version>
            <scope>system</scope>
            <systemPath>${pom.basedir}/lib/kabeja-0.4.jar</systemPath>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.aspose/aspose-cad -->
        <dependency>
            <groupId>com.aspose</groupId>
            <artifactId>aspose-cad</artifactId>
            <version>24.3</version>
            <scope>system</scope>
            <systemPath>${pom.basedir}/lib/aspose-cad-24.3.jar</systemPath>
        </dependency>
    </dependencies>

    <build>

 src/main/java/org/springblade/common/utils/CADParserUtil.java

New file
@@ -0,0 +1,90 @@
package org.springblade.common.utils;

import com.aspose.cad.Image;
import org.kabeja.dxf.DXFDocument;
import org.kabeja.dxf.DXFEntity;
import org.kabeja.dxf.DXFLayer;
import org.kabeja.dxf.DXFText;
import org.kabeja.parser.ParseException;
import org.kabeja.parser.Parser;
import org.kabeja.parser.ParserBuilder;
import java.io.*;
import java.util.Iterator;
import java.util.List;

public class CADParserUtil {

    /**
     * 读取DXF文件图层
     * @param filePath
     * @return
     * @throws FileNotFoundException
     * @throws ParseException
     */
    public static String parser(String filePath) throws FileNotFoundException, ParseException {
        Parser dxfParser = ParserBuilder.createDefaultParser();
        dxfParser.parse(new FileInputStream(filePath), "UTF-8");//需要转换的dxf
        DXFDocument doc = dxfParser.getDocument();
        StringBuffer sb = new StringBuffer();
        //遍历图层
        Iterator iter= doc.getDXFLayerIterator();

        while (iter.hasNext()){
            DXFLayer dxfLayer = (DXFLayer)iter.next();
            String layerName=dxfLayer.getName();
            System.out.println("读取图层"+layerName);
            readEntity(dxfLayer,sb);

        }
        System.out.println("最终数据 = " + sb);
        return sb.toString();
    }

    /**
     * 读取图层下都有哪些类型的实体
     * @param layer
     */
    public static void readEntity(DXFLayer layer,StringBuffer sb){
        Iterator iter= layer.getDXFEntityTypeIterator();
        while (iter.hasNext()){
            String s=(String) iter.next();
            System.out.println("类型 = " + s);
            getEntity(layer,s,sb);
        }
    }

    /**
     * 读取图层下的TEXT实体
     * @param layer
     * @param type
     */
    public static void getEntity(DXFLayer layer, String type,StringBuffer sb) {
        if (type.equals("LWPOLYLINE")) {
            List<DXFEntity> entities = layer.getDXFEntities(type);
            for (int i = 0; i < entities.size(); i++) {
                if ((entities.get(i) instanceof DXFText)) {
                    DXFText dxfText = (DXFText) entities.get(i);
                    String text = dxfText.getText();
                    sb.append(text).append("\n");
                }
            }
        }
    }

    public static void main(String[] args) {
        try {
            // 指定输入和输出文件的路径。
            String inputDWG = "F:\\test4jdata\\cad\\tdsyqk.dwg";
            String outputDXF = "F:\\test4jdata\\cad\\tdsyqk.dxf";

            // 加载输入 DWG 文件
            Image cadImage = Image.load(inputDWG);
            // 保存输出 DXF 文件
            cadImage.save(outputDXF);
            String text = parser(outputDXF);
            System.out.println(text);
        } catch (IOException | ParseException e) {
            e.printStackTrace();
        }
    }
}