diff --git a/src/main/java/com/alibaba/excel/ExcelWriter.java b/src/main/java/com/alibaba/excel/ExcelWriter.java index 65a99fe..4800f84 100644 --- a/src/main/java/com/alibaba/excel/ExcelWriter.java +++ b/src/main/java/com/alibaba/excel/ExcelWriter.java @@ -138,7 +138,17 @@ public class ExcelWriter { * @return this current writer */ public ExcelWriter write(List data, WriteSheet writeSheet) { - return write(data, writeSheet, null); + return write(data, writeSheet, (WriteTable)null); + } + + + public ExcelWriter write(List data, WriteSheet writeSheet, String password) { + return write(data, writeSheet, null, password); + } + + private ExcelWriter write(List data, WriteSheet writeSheet, WriteTable writeTable, String password) { + excelBuilder.addContent(data, writeSheet, writeTable, password); + return this; } /** diff --git a/src/main/java/com/alibaba/excel/context/WriteContext.java b/src/main/java/com/alibaba/excel/context/WriteContext.java index e561319..a5e6d58 100644 --- a/src/main/java/com/alibaba/excel/context/WriteContext.java +++ b/src/main/java/com/alibaba/excel/context/WriteContext.java @@ -69,6 +69,19 @@ public interface WriteContext { */ void finish(); + /** + * isEncrypt + * @return + */ + boolean isEncrypt(); + + /** + * setPassword + * @param password + * @return + */ + void setPassword(String password); + /** * Current sheet * diff --git a/src/main/java/com/alibaba/excel/context/WriteContextImpl.java b/src/main/java/com/alibaba/excel/context/WriteContextImpl.java index c71d08d..8972424 100644 --- a/src/main/java/com/alibaba/excel/context/WriteContextImpl.java +++ b/src/main/java/com/alibaba/excel/context/WriteContextImpl.java @@ -1,8 +1,16 @@ package com.alibaba.excel.context; +import com.alibaba.excel.util.StringUtils; +import java.io.FileOutputStream; import java.io.OutputStream; import java.util.Map; +import org.apache.poi.openxml4j.opc.OPCPackage; +import org.apache.poi.openxml4j.opc.PackageAccess; +import org.apache.poi.poifs.crypt.EncryptionInfo; +import org.apache.poi.poifs.crypt.EncryptionMode; +import org.apache.poi.poifs.crypt.Encryptor; +import org.apache.poi.poifs.filesystem.POIFSFileSystem; import org.apache.poi.ss.usermodel.Cell; import org.apache.poi.ss.usermodel.Row; import org.apache.poi.ss.usermodel.Sheet; @@ -243,6 +251,12 @@ public class WriteContextImpl implements WriteContext { } try { writeWorkbookHolder.getWorkbook().write(writeWorkbookHolder.getOutputStream()); + if (isEncrypt()){ + LOGGER.debug("start encrypt"); + encrypt(writeWorkbookHolder); + LOGGER.debug("finish encrypt"); + + } writeWorkbookHolder.getWorkbook().close(); } catch (Throwable t) { throwCanNotCloseIo(t); @@ -274,6 +288,16 @@ public class WriteContextImpl implements WriteContext { } } + @Override + public boolean isEncrypt() { + return !StringUtils.isEmpty(writeWorkbookHolder.getPassword()); + } + + @Override + public void setPassword(String password) { + writeWorkbookHolder.setPassword(password); + } + private void throwCanNotCloseIo(Throwable t) { throw new ExcelGenerateException("Can not close IO", t); } @@ -297,4 +321,29 @@ public class WriteContextImpl implements WriteContext { public Workbook getWorkbook() { return writeWorkbookHolder.getWorkbook(); } + + /** + * do encrypt + * @param writeWorkbookHolder + */ + private void encrypt(WriteWorkbookHolder writeWorkbookHolder){ + try { + POIFSFileSystem fs = new POIFSFileSystem(); + EncryptionInfo info = new EncryptionInfo(EncryptionMode.standard); + + Encryptor enc = info.getEncryptor(); + enc.confirmPassword(writeWorkbookHolder.getPassword()); + + OPCPackage opc = OPCPackage.open(writeWorkbookHolder.getFile(), PackageAccess.READ_WRITE); + OutputStream os = enc.getDataStream(fs); + opc.save(os); + opc.close(); + //write the encrypted file back to the stream + FileOutputStream fos = new FileOutputStream(writeWorkbookHolder.getFile()); + fs.writeFilesystem(fos); + fos.close(); + } catch (Exception e) { + e.printStackTrace(); + } + } } diff --git a/src/main/java/com/alibaba/excel/write/ExcelBuilder.java b/src/main/java/com/alibaba/excel/write/ExcelBuilder.java index 8a60444..8a7d57d 100644 --- a/src/main/java/com/alibaba/excel/write/ExcelBuilder.java +++ b/src/main/java/com/alibaba/excel/write/ExcelBuilder.java @@ -73,4 +73,13 @@ public interface ExcelBuilder { * Close io */ void finish(); + + /** + * add password + * @param data + * @param writeSheet + * @param writeTable + * @param password + */ + void addContent(List data, WriteSheet writeSheet, WriteTable writeTable, String password); } diff --git a/src/main/java/com/alibaba/excel/write/ExcelBuilderImpl.java b/src/main/java/com/alibaba/excel/write/ExcelBuilderImpl.java index 3d8067a..c1a00c2 100644 --- a/src/main/java/com/alibaba/excel/write/ExcelBuilderImpl.java +++ b/src/main/java/com/alibaba/excel/write/ExcelBuilderImpl.java @@ -95,6 +95,28 @@ public class ExcelBuilderImpl implements ExcelBuilder { } } + @Override + public void addContent(List data, WriteSheet writeSheet, WriteTable writeTable, String password) { + try { + if (data == null) { + return; + } + context.currentSheet(writeSheet, WriteTypeEnum.ADD); + context.currentTable(writeTable); + context.setPassword(password); + if (excelWriteAddExecutor == null) { + excelWriteAddExecutor = new ExcelWriteAddExecutor(context); + } + excelWriteAddExecutor.add(data); + } catch (RuntimeException e) { + finish(); + throw e; + } catch (Throwable e) { + finish(); + throw new ExcelGenerateException(e); + } + } + @Override public void merge(int firstRow, int lastRow, int firstCol, int lastCol) { CellRangeAddress cra = new CellRangeAddress(firstRow, lastRow, firstCol, lastCol); diff --git a/src/main/java/com/alibaba/excel/write/builder/ExcelWriterSheetBuilder.java b/src/main/java/com/alibaba/excel/write/builder/ExcelWriterSheetBuilder.java index 8a9e0c6..194fedb 100644 --- a/src/main/java/com/alibaba/excel/write/builder/ExcelWriterSheetBuilder.java +++ b/src/main/java/com/alibaba/excel/write/builder/ExcelWriterSheetBuilder.java @@ -148,6 +148,19 @@ public class ExcelWriterSheetBuilder { excelWriter.finish(); } + /** + * write with password + * @param data + * @param password + */ + public void doWrite(List data,String password) { + if (excelWriter == null) { + throw new ExcelGenerateException("Must use 'EasyExcelFactory.write().sheet()' to call this method"); + } + excelWriter.write(data, build(), password); + excelWriter.finish(); + } + public ExcelWriterTableBuilder table() { return table(null); } diff --git a/src/main/java/com/alibaba/excel/write/metadata/holder/WriteWorkbookHolder.java b/src/main/java/com/alibaba/excel/write/metadata/holder/WriteWorkbookHolder.java index ec364fb..65559db 100644 --- a/src/main/java/com/alibaba/excel/write/metadata/holder/WriteWorkbookHolder.java +++ b/src/main/java/com/alibaba/excel/write/metadata/holder/WriteWorkbookHolder.java @@ -97,6 +97,11 @@ public class WriteWorkbookHolder extends AbstractWriteHolder { */ private Map hasBeenInitializedSheet; + /** + * password + */ + private String password; + public WriteWorkbookHolder(WriteWorkbook writeWorkbook) { super(writeWorkbook, null, writeWorkbook.getConvertAllFiled()); this.writeWorkbook = writeWorkbook; @@ -256,4 +261,12 @@ public class WriteWorkbookHolder extends AbstractWriteHolder { public HolderEnum holderType() { return HolderEnum.WORKBOOK; } + + public String getPassword() { + return password; + } + + public void setPassword(String password) { + this.password = password; + } } diff --git a/src/test/java/com/alibaba/easyexcel/test/demo/write/WriteTest.java b/src/test/java/com/alibaba/easyexcel/test/demo/write/WriteTest.java index 76c3c71..b2a1722 100644 --- a/src/test/java/com/alibaba/easyexcel/test/demo/write/WriteTest.java +++ b/src/test/java/com/alibaba/easyexcel/test/demo/write/WriteTest.java @@ -57,7 +57,8 @@ public class WriteTest { // 这里 需要指定写用哪个class去读 ExcelWriter excelWriter = EasyExcel.write(fileName, DemoData.class).build(); WriteSheet writeSheet = EasyExcel.writerSheet("模板").build(); - excelWriter.write(data(), writeSheet); + excelWriter.write(data(), writeSheet,"12345"); + // 进行加密 /// 千万别忘记finish 会帮忙关闭流 excelWriter.finish(); }