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!139 优化CAD 释放资源方法

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Merge pull request !139 from 高雄/master
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kailing 2023-05-12 02:14:58 +00:00 committed by Gitee
commit ad46dd8b5b
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2 changed files with 17 additions and 9 deletions
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13
server/src/main/java/cn/keking/service/FileHandlerService.java
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@ -296,7 +296,7 @@ public class FileHandlerService {
* @param outputFilePath pdf输出文件路径
* @return 转换是否成功
*/
public boolean cadToPdf(String inputFilePath, String outputFilePath) {
public String cadToPdf(String inputFilePath, String outputFilePath) throws Exception {
File outputFile = new File(outputFilePath);
LoadOptions opts = new LoadOptions();
opts.setSpecifiedEncoding(CodePages.SimpChinese);
@ -310,21 +310,22 @@ public class FileHandlerService {
cadRasterizationOptions.setDrawType(1);
PdfOptions pdfOptions = new PdfOptions();
pdfOptions.setVectorRasterizationOptions(cadRasterizationOptions);
OutputStream stream;
OutputStream stream = null;
try {
stream = new FileOutputStream(outputFile);
cadImage.save(stream, pdfOptions);
stream.close();
cadImage.close();
return true;
} catch (IOException e) {
logger.error("PDFFileNotFoundException，inputFilePath：{}", inputFilePath, e);
return "null";
} finally {
if (stream != null) { //关闭
stream.close();
}
if (cadImage != null) { //关闭
cadImage.close();
}
}
return false;
return "true";
}
/**
*

13
server/src/main/java/cn/keking/service/impl/CadFilePreviewImpl.java
View File

@ -12,6 +12,8 @@ import org.springframework.stereotype.Service;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import java.util.List;
import static cn.keking.service.impl.OfficeFilePreviewImpl.getPreviewType;
/**
@ -51,10 +53,15 @@ public class CadFilePreviewImpl implements FilePreview {
return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
}
filePath = response.getContent();
String imageUrls = null;
if (StringUtils.hasText(outFilePath)) {
boolean convertResult = fileHandlerService.cadToPdf(filePath, outFilePath);
if (!convertResult) {
return otherFilePreview.notSupportedFile(model, fileAttribute, "cad文件转换异常，请联系管理员");
try {
imageUrls = fileHandlerService.cadToPdf(filePath, outFilePath);
} catch (Exception e) {
e.printStackTrace();
}
if (imageUrls == null ) {
return otherFilePreview.notSupportedFile(model, fileAttribute, "office转图片异常，请联系管理员");
}
//是否保留CAD源文件
if( ConfigConstants.getDeleteSourceFile()) {