支持通过模板填充数据

src/main/java/com/alibaba/excel/context/WriteContextImpl.java

@@ -83,7 +83,7 @@ public class WriteContextImpl implements WriteContext {
         }
         for (WriteHandler writeHandler : handlerList) {
             if (writeHandler instanceof WorkbookWriteHandler) {
-                ((WorkbookWriteHandler)writeHandler).beforeWorkbookCreate();
+                ((WorkbookWriteHandler) writeHandler).beforeWorkbookCreate();
             }
         }
     }
@@ -95,7 +95,7 @@ public class WriteContextImpl implements WriteContext {
         }
         for (WriteHandler writeHandler : handlerList) {
             if (writeHandler instanceof WorkbookWriteHandler) {
-                ((WorkbookWriteHandler)writeHandler).afterWorkbookCreate(writeWorkbookHolder);
+                ((WorkbookWriteHandler) writeHandler).afterWorkbookCreate(writeWorkbookHolder);
             }
         }
     }
@@ -149,7 +149,7 @@ public class WriteContextImpl implements WriteContext {
         }
         for (WriteHandler writeHandler : handlerList) {
             if (writeHandler instanceof SheetWriteHandler) {
-                ((SheetWriteHandler)writeHandler).beforeSheetCreate(writeWorkbookHolder, writeSheetHolder);
+                ((SheetWriteHandler) writeHandler).beforeSheetCreate(writeWorkbookHolder, writeSheetHolder);
             }
         }
     }
@@ -161,7 +161,7 @@ public class WriteContextImpl implements WriteContext {
         }
         for (WriteHandler writeHandler : handlerList) {
             if (writeHandler instanceof SheetWriteHandler) {
-                ((SheetWriteHandler)writeHandler).afterSheetCreate(writeWorkbookHolder, writeSheetHolder);
+                ((SheetWriteHandler) writeHandler).afterSheetCreate(writeWorkbookHolder, writeSheetHolder);
             }
         }
         if (null != writeWorkbookHolder.getWriteWorkbook().getWriteHandler()) {
@@ -204,7 +204,7 @@ public class WriteContextImpl implements WriteContext {
         // Combined head
         addMergedRegionToCurrentSheet(excelWriteHeadProperty, newRowIndex);
         for (int relativeRowIndex = 0, i = newRowIndex; i < excelWriteHeadProperty.getHeadRowNumber() + newRowIndex;
-            i++, relativeRowIndex++) {
+             i++, relativeRowIndex++) {
             beforeRowCreate(newRowIndex, relativeRowIndex);
             Row row = WorkBookUtil.createRow(writeSheetHolder.getSheet(), i);
             afterRowCreate(row, relativeRowIndex);
@@ -219,7 +219,7 @@ public class WriteContextImpl implements WriteContext {
         }
         for (WriteHandler writeHandler : handlerList) {
             if (writeHandler instanceof RowWriteHandler) {
-                ((RowWriteHandler)writeHandler).beforeRowCreate(writeSheetHolder, writeTableHolder, rowIndex,
+                ((RowWriteHandler) writeHandler).beforeRowCreate(writeSheetHolder, writeTableHolder, rowIndex,
                     relativeRowIndex, true);
             }
         }
@@ -232,7 +232,7 @@ public class WriteContextImpl implements WriteContext {
         }
         for (WriteHandler writeHandler : handlerList) {
             if (writeHandler instanceof RowWriteHandler) {
-                ((RowWriteHandler)writeHandler).afterRowCreate(writeSheetHolder, writeTableHolder, row,
+                ((RowWriteHandler) writeHandler).afterRowCreate(writeSheetHolder, writeTableHolder, row,
                     relativeRowIndex, true);
             }
         }
@@ -264,7 +264,7 @@ public class WriteContextImpl implements WriteContext {
         }
         for (WriteHandler writeHandler : handlerList) {
             if (writeHandler instanceof CellWriteHandler) {
-                ((CellWriteHandler)writeHandler).beforeCellCreate(writeSheetHolder, writeTableHolder, row, head,
+                ((CellWriteHandler) writeHandler).beforeCellCreate(writeSheetHolder, writeTableHolder, row, head,
                     relativeRowIndex, true);
             }
         }
@@ -277,7 +277,7 @@ public class WriteContextImpl implements WriteContext {
         }
         for (WriteHandler writeHandler : handlerList) {
             if (writeHandler instanceof CellWriteHandler) {
-                ((CellWriteHandler)writeHandler).afterCellCreate(writeSheetHolder, writeTableHolder, null, cell, head,
+                ((CellWriteHandler) writeHandler).afterCellCreate(writeSheetHolder, writeTableHolder, null, cell, head,
                     relativeRowIndex, true);
             }
         }
@@ -354,21 +354,21 @@ public class WriteContextImpl implements WriteContext {
         try {
             Workbook workbook = writeWorkbookHolder.getWorkbook();
             if (workbook instanceof SXSSFWorkbook) {
-                ((SXSSFWorkbook)workbook).dispose();
+                ((SXSSFWorkbook) workbook).dispose();
             }
         } catch (Throwable t) {
             throwCanNotCloseIo(t);
         }
         try {
-            if (writeWorkbookHolder.getAutoCloseStream() && writeWorkbookHolder.getOutputStream() != null) {
-                writeWorkbookHolder.getOutputStream().close();
+            if (writeWorkbookHolder.getTempTemplateInputStream() != null) {
+                writeWorkbookHolder.getTempTemplateInputStream().close();
             }
         } catch (Throwable t) {
             throwCanNotCloseIo(t);
         }
         try {
-            if (writeWorkbookHolder.getAutoCloseStream() && writeWorkbookHolder.getTemplateInputStream() != null) {
-                writeWorkbookHolder.getTemplateInputStream().close();
+            if (writeWorkbookHolder.getAutoCloseStream() && writeWorkbookHolder.getOutputStream() != null) {
+                writeWorkbookHolder.getOutputStream().close();
             }
         } catch (Throwable t) {
             throwCanNotCloseIo(t);

src/main/java/com/alibaba/excel/write/metadata/holder/AbstractWriteHolder.java

@@ -21,7 +21,6 @@ import com.alibaba.excel.metadata.AbstractHolder;
 import com.alibaba.excel.metadata.Font;
 import com.alibaba.excel.metadata.Head;
 import com.alibaba.excel.metadata.TableStyle;
-import com.alibaba.excel.metadata.property.ExcelContentProperty;
 import com.alibaba.excel.metadata.property.RowHeightProperty;
 import com.alibaba.excel.util.CollectionUtils;
 import com.alibaba.excel.write.handler.CellWriteHandler;

src/main/java/com/alibaba/excel/write/metadata/holder/WriteWorkbookHolder.java

@@ -11,8 +11,6 @@ import java.util.Map;
 
 import org.apache.poi.ss.usermodel.Workbook;
 import org.apache.poi.xssf.usermodel.XSSFWorkbook;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import com.alibaba.excel.enums.HolderEnum;
 import com.alibaba.excel.exception.ExcelGenerateException;
@@ -60,6 +58,12 @@ public class WriteWorkbookHolder extends AbstractWriteHolder {
      * If 'inputStream' and 'file' all not empty,file first
      */
     private File templateFile;
+    /**
+     * Temporary template file stream.
+     * <p>
+     * A temporary file stream needs to be created in order not to modify the original template file.
+     */
+    private InputStream tempTemplateInputStream;
     /**
      * Default true
      */
@@ -182,6 +186,14 @@ public class WriteWorkbookHolder extends AbstractWriteHolder {
         this.templateInputStream = templateInputStream;
     }
 
+    public InputStream getTempTemplateInputStream() {
+        return tempTemplateInputStream;
+    }
+
+    public void setTempTemplateInputStream(InputStream tempTemplateInputStream) {
+        this.tempTemplateInputStream = tempTemplateInputStream;
+    }
+
     public File getTemplateFile() {
         return templateFile;
     }

src/test/java/com/alibaba/easyexcel/test/temp/LockTest.java

@@ -25,7 +25,7 @@ public class LockTest {
     public void test() throws Exception {
 
         List<Object> list =
-            EasyExcel.read(new FileInputStream("D:\\test\\t222.xlsx")).sheet().headRowNumber(0).doReadSync();
+            EasyExcel.read(new FileInputStream("D:\\test\\testbug嘉惠.xlsx")).sheet().headRowNumber(0).doReadSync();
         for (Object data : list) {
             LOGGER.info("返回数据：{}", JSON.toJSONString(data));
         }

src/test/java/com/alibaba/easyexcel/test/temp/poi/PoiTest.java

 package com.alibaba.easyexcel.test.temp.poi;
 
 import java.io.File;
+import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 
@@ -19,6 +20,10 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import com.alibaba.easyexcel.test.util.TestFileUtil;
+import com.alibaba.excel.util.FileUtils;
+import com.alibaba.excel.util.IoUtils;
+
+import ch.qos.logback.core.util.FileUtil;
 
 /**
  * 测试poi
@@ -57,7 +62,8 @@ public class PoiTest {
     @Test
     public void lastRowNum233() throws IOException {
         String file = TestFileUtil.getPath() + "fill" + File.separator + "simple.xlsx";
-        Workbook xx=new XSSFWorkbook(file);
+        Workbook xx = new XSSFWorkbook(file);
+        System.out.println(new File(file).exists());
 
         SXSSFWorkbook xssfWorkbook = new SXSSFWorkbook();
         Sheet xssfSheet = xssfWorkbook.getXSSFWorkbook().getSheetAt(0);
@@ -70,12 +76,39 @@ public class PoiTest {
         xssfWorkbook.close();
     }
 
+    @Test
+    public void testread() throws IOException {
+        String file = TestFileUtil.getPath() + "fill" + File.separator + "simple.xlsx";
+
+        SXSSFWorkbook xssfWorkbook = new SXSSFWorkbook(new XSSFWorkbook(file));
+        Sheet xssfSheet = xssfWorkbook.getXSSFWorkbook().getSheetAt(0);
+//
+//        Cell cell = xssfSheet.getRow(0).createCell(9);
+
+
+        String file1 = TestFileUtil.getPath() + "fill" + File.separator + "simple.xlsx";
+
+        SXSSFWorkbook xssfWorkbook1 = new SXSSFWorkbook(new XSSFWorkbook(file1));
+        Sheet xssfSheet1 = xssfWorkbook1.getXSSFWorkbook().getSheetAt(0);
+
+//        Cell cell1 = xssfSheet1.getRow(0).createCell(9);
+
+
+        xssfWorkbook.close();
+        xssfWorkbook1.close();
+    }
+
+
+    @Test
+    public void testreadRead() throws IOException {
+        String file = TestFileUtil.getPath() + "fill" + File.separator + "simple.xlsx";
+        FileUtils.readFileToByteArray(new File(file));
+    }
 
     @Test
     public void lastRowNum2332222() throws IOException {
         String file = TestFileUtil.getPath() + "fill" + File.separator + "simple.xlsx";
-        Workbook xx=new XSSFWorkbook(file);
-        SXSSFWorkbook xssfWorkbook = new SXSSFWorkbook();
+        SXSSFWorkbook xssfWorkbook = new SXSSFWorkbook(new XSSFWorkbook(file));
         Sheet xssfSheet = xssfWorkbook.getXSSFWorkbook().getSheetAt(0);
 
         Cell cell = xssfSheet.getRow(0).createCell(9);

src/test/java/com/alibaba/easyexcel/test/temp/simple/HgTest.java

@@ -2,6 +2,8 @@ package com.alibaba.easyexcel.test.temp.simple;
 
 import java.io.FileInputStream;
 import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
 import java.util.List;
 
 import org.junit.Ignore;
@@ -24,7 +26,18 @@ public class HgTest {
     @Test
     public void hh() throws IOException {
         List<Object> list =
-            EasyExcel.read(new FileInputStream("D:\\test\\折扣2007.xls")).headRowNumber(0).sheet().doReadSync();
+            EasyExcel.read(new FileInputStream("D:\\test\\嘉惠-中交建_2019-09-01_2019-09-30_1569055677522.xlsx")).headRowNumber(0).sheet().doReadSync();
+        for (Object data : list) {
+            LOGGER.info("返回数据：{}", JSON.toJSONString(data));
+        }
+    }
+
+    @Test
+    public void hh5() throws IOException {
+        URL url = new URL("http://hotelcontractfil.oss-cn-beijing.aliyuncs.com/2019/%E5%98%89%E6%83%A0-%E4%B8%AD%E4%BA%A4%E5%BB%BA_2019-09-01_2019-09-30_1569055677522.xlsx?Expires=1884415681&OSSAccessKeyId=LTAIGZDkqZfPArBr&Signature=Rf0gbO8vl3l%2Brj1KdyzHHMsUhCE%3D");
+        InputStream is = url.openStream();
+        List<Object> list =
+            EasyExcel.read(is).headRowNumber(0).sheet().doReadSync();
         for (Object data : list) {
             LOGGER.info("返回数据：{}", JSON.toJSONString(data));
         }