From 3f78c57e813f96e4e677a3f168c9ece8ce91a7af Mon Sep 17 00:00:00 2001
From: zhuangjiaju <jiaju.zhuang@ideacome.com>
Date: Mon, 19 Aug 2019 18:59:58 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E8=AF=BB=E5=86=99=E9=80=BB?=
 =?UTF-8?q?=E8=BE=91?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../excel/converters/ConverterKeyBuild.java   |  28 +++++-
 .../converters/DefaultConverterLoader.java    |  10 ++-
 .../BoxingByteArrayImageConverter.java        |  41 +++++++++
 .../bytearray/ByteArrayImageConverter.java    |  37 ++++++++
 .../converters/file/FileImageConverter.java   |  41 +++++++++
 .../InputStreamImageConverter.java            |  41 +++++++++
 .../string/StringImageConverter.java          |  41 +++++++++
 .../alibaba/excel/enums/CellDataTypeEnum.java |   6 +-
 .../com/alibaba/excel/metadata/CellData.java  |  23 ++++-
 .../com/alibaba/excel/util/FileUtils.java     |  46 ++++++++++
 .../java/com/alibaba/excel/util/IOUtils.java  |  85 ++++++++++++++++++
 .../alibaba/excel/write/ExcelBuilderImpl.java |  29 ++++++
 .../SimpleColumnWidthStyleStrategy.java       |   1 -
 .../test/core/converter/ConverterData.java    |   4 +-
 .../core/converter/ConverterDataTest.java     |  40 ++++++++-
 .../test/core/converter/ImageData.java        |  25 ++++++
 .../easyexcel/test/temp/StyleData.java        |  20 +++++
 .../easyexcel/test/temp/StyleTest.java        |  20 +++++
 .../easyexcel/test/util/TestFileUtil.java     |   8 +-
 src/test/resources/converter/img.jpg          | Bin 0 -> 11972 bytes
 20 files changed, 529 insertions(+), 17 deletions(-)
 create mode 100644 src/main/java/com/alibaba/excel/converters/bytearray/BoxingByteArrayImageConverter.java
 create mode 100644 src/main/java/com/alibaba/excel/converters/bytearray/ByteArrayImageConverter.java
 create mode 100644 src/main/java/com/alibaba/excel/converters/file/FileImageConverter.java
 create mode 100644 src/main/java/com/alibaba/excel/converters/inputstream/InputStreamImageConverter.java
 create mode 100644 src/main/java/com/alibaba/excel/converters/string/StringImageConverter.java
 create mode 100644 src/main/java/com/alibaba/excel/util/IOUtils.java
 create mode 100644 src/test/java/com/alibaba/easyexcel/test/core/converter/ImageData.java
 create mode 100644 src/test/java/com/alibaba/easyexcel/test/temp/StyleData.java
 create mode 100644 src/test/resources/converter/img.jpg

diff --git a/src/main/java/com/alibaba/excel/converters/ConverterKeyBuild.java b/src/main/java/com/alibaba/excel/converters/ConverterKeyBuild.java
index 74eb490..0bd5499 100644
--- a/src/main/java/com/alibaba/excel/converters/ConverterKeyBuild.java
+++ b/src/main/java/com/alibaba/excel/converters/ConverterKeyBuild.java
@@ -1,18 +1,40 @@
 package com.alibaba.excel.converters;
 
+import java.util.HashMap;
+import java.util.Map;
+
 import com.alibaba.excel.enums.CellDataTypeEnum;
 
 /**
- * Converter unique key
+ * Converter unique key.Consider that you can just use class as the key.
  *
  * @author Jiaju Zhuang
  */
 public class ConverterKeyBuild {
+
+    private static final Map<String, String> BOXING_MAP = new HashMap<String, String>(16);
+
+    static {
+        BOXING_MAP.put(int.class.getName(), Integer.class.getName());
+        BOXING_MAP.put(byte.class.getName(), Byte.class.getName());
+        BOXING_MAP.put(long.class.getName(), Long.class.getName());
+        BOXING_MAP.put(double.class.getName(), Double.class.getName());
+        BOXING_MAP.put(float.class.getName(), Float.class.getName());
+        BOXING_MAP.put(char.class.getName(), Character.class.getName());
+        BOXING_MAP.put(short.class.getName(), Short.class.getName());
+        BOXING_MAP.put(boolean.class.getName(), Boolean.class.getName());
+    }
+
     public static String buildKey(Class clazz) {
-        return clazz.getName();
+        String className = clazz.getName();
+        String boxingClassName = BOXING_MAP.get(clazz.getName());
+        if (boxingClassName == null) {
+            return className;
+        }
+        return boxingClassName;
     }
 
     public static String buildKey(Class clazz, CellDataTypeEnum cellDataTypeEnum) {
-        return clazz.getName() + "-" + cellDataTypeEnum.toString();
+        return buildKey(clazz) + "-" + cellDataTypeEnum.toString();
     }
 }
diff --git a/src/main/java/com/alibaba/excel/converters/DefaultConverterLoader.java b/src/main/java/com/alibaba/excel/converters/DefaultConverterLoader.java
index 0bbf8f0..e53c1f8 100644
--- a/src/main/java/com/alibaba/excel/converters/DefaultConverterLoader.java
+++ b/src/main/java/com/alibaba/excel/converters/DefaultConverterLoader.java
@@ -9,6 +9,8 @@ import com.alibaba.excel.converters.bigdecimal.BigDecimalStringConverter;
 import com.alibaba.excel.converters.booleanconverter.BooleanBooleanConverter;
 import com.alibaba.excel.converters.booleanconverter.BooleanNumberConverter;
 import com.alibaba.excel.converters.booleanconverter.BooleanStringConverter;
+import com.alibaba.excel.converters.bytearray.BoxingByteArrayImageConverter;
+import com.alibaba.excel.converters.bytearray.ByteArrayImageConverter;
 import com.alibaba.excel.converters.byteconverter.ByteBooleanConverter;
 import com.alibaba.excel.converters.byteconverter.ByteNumberConverter;
 import com.alibaba.excel.converters.byteconverter.ByteStringConverter;
@@ -17,9 +19,11 @@ import com.alibaba.excel.converters.date.DateStringConverter;
 import com.alibaba.excel.converters.doubleconverter.DoubleBooleanConverter;
 import com.alibaba.excel.converters.doubleconverter.DoubleNumberConverter;
 import com.alibaba.excel.converters.doubleconverter.DoubleStringConverter;
+import com.alibaba.excel.converters.file.FileImageConverter;
 import com.alibaba.excel.converters.floatconverter.FloatBooleanConverter;
 import com.alibaba.excel.converters.floatconverter.FloatNumberConverter;
 import com.alibaba.excel.converters.floatconverter.FloatStringConverter;
+import com.alibaba.excel.converters.inputstream.InputStreamImageConverter;
 import com.alibaba.excel.converters.integer.IntegerBooleanConverter;
 import com.alibaba.excel.converters.integer.IntegerNumberConverter;
 import com.alibaba.excel.converters.integer.IntegerStringConverter;
@@ -52,7 +56,7 @@ public class DefaultConverterLoader {
         if (defaultWriteConverter != null) {
             return defaultWriteConverter;
         }
-        defaultWriteConverter = new HashMap<String, Converter>(16);
+        defaultWriteConverter = new HashMap<String, Converter>(32);
         putWriteConverter(new BigDecimalNumberConverter());
         putWriteConverter(new BooleanBooleanConverter());
         putWriteConverter(new ByteNumberConverter());
@@ -63,6 +67,10 @@ public class DefaultConverterLoader {
         putWriteConverter(new LongNumberConverter());
         putWriteConverter(new ShortNumberConverter());
         putWriteConverter(new StringStringConverter());
+        putWriteConverter(new FileImageConverter());
+        putWriteConverter(new InputStreamImageConverter());
+        putWriteConverter(new ByteArrayImageConverter());
+        putWriteConverter(new BoxingByteArrayImageConverter());
         return defaultWriteConverter;
     }
 
diff --git a/src/main/java/com/alibaba/excel/converters/bytearray/BoxingByteArrayImageConverter.java b/src/main/java/com/alibaba/excel/converters/bytearray/BoxingByteArrayImageConverter.java
new file mode 100644
index 0000000..c083601
--- /dev/null
+++ b/src/main/java/com/alibaba/excel/converters/bytearray/BoxingByteArrayImageConverter.java
@@ -0,0 +1,41 @@
+package com.alibaba.excel.converters.bytearray;
+
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.CellData;
+import com.alibaba.excel.metadata.GlobalConfiguration;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+
+/**
+ * Boxing Byte array and image converter
+ *
+ * @author Jiaju Zhuang
+ */
+public class BoxingByteArrayImageConverter implements Converter<Byte[]> {
+    @Override
+    public Class supportJavaTypeKey() {
+        return Byte[].class;
+    }
+
+    @Override
+    public CellDataTypeEnum supportExcelTypeKey() {
+        return CellDataTypeEnum.IMAGE;
+    }
+
+    @Override
+    public Byte[] convertToJavaData(CellData cellData, ExcelContentProperty contentProperty,
+        GlobalConfiguration globalConfiguration) {
+        throw new UnsupportedOperationException("Cannot convert images to byte arrays");
+    }
+
+    @Override
+    public CellData convertToExcelData(Byte[] value, ExcelContentProperty contentProperty,
+        GlobalConfiguration globalConfiguration) {
+        byte[] byteValue = new byte[value.length];
+        for (int i = 0; i < value.length; i++) {
+            byteValue[i] = value[i];
+        }
+        return new CellData(byteValue);
+    }
+
+}
diff --git a/src/main/java/com/alibaba/excel/converters/bytearray/ByteArrayImageConverter.java b/src/main/java/com/alibaba/excel/converters/bytearray/ByteArrayImageConverter.java
new file mode 100644
index 0000000..991999d
--- /dev/null
+++ b/src/main/java/com/alibaba/excel/converters/bytearray/ByteArrayImageConverter.java
@@ -0,0 +1,37 @@
+package com.alibaba.excel.converters.bytearray;
+
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.CellData;
+import com.alibaba.excel.metadata.GlobalConfiguration;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+
+/**
+ * Byte array and image converter
+ *
+ * @author Jiaju Zhuang
+ */
+public class ByteArrayImageConverter implements Converter<byte[]> {
+    @Override
+    public Class supportJavaTypeKey() {
+        return byte[].class;
+    }
+
+    @Override
+    public CellDataTypeEnum supportExcelTypeKey() {
+        return CellDataTypeEnum.IMAGE;
+    }
+
+    @Override
+    public byte[] convertToJavaData(CellData cellData, ExcelContentProperty contentProperty,
+        GlobalConfiguration globalConfiguration) {
+        throw new UnsupportedOperationException("Cannot convert images to byte arrays");
+    }
+
+    @Override
+    public CellData convertToExcelData(byte[] value, ExcelContentProperty contentProperty,
+        GlobalConfiguration globalConfiguration) {
+        return new CellData(value);
+    }
+
+}
diff --git a/src/main/java/com/alibaba/excel/converters/file/FileImageConverter.java b/src/main/java/com/alibaba/excel/converters/file/FileImageConverter.java
new file mode 100644
index 0000000..1052215
--- /dev/null
+++ b/src/main/java/com/alibaba/excel/converters/file/FileImageConverter.java
@@ -0,0 +1,41 @@
+package com.alibaba.excel.converters.file;
+
+import java.io.File;
+import java.io.IOException;
+
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.CellData;
+import com.alibaba.excel.metadata.GlobalConfiguration;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+import com.alibaba.excel.util.FileUtils;
+
+/**
+ * File and image converter
+ *
+ * @author Jiaju Zhuang
+ */
+public class FileImageConverter implements Converter<File> {
+    @Override
+    public Class supportJavaTypeKey() {
+        return File.class;
+    }
+
+    @Override
+    public CellDataTypeEnum supportExcelTypeKey() {
+        return CellDataTypeEnum.IMAGE;
+    }
+
+    @Override
+    public File convertToJavaData(CellData cellData, ExcelContentProperty contentProperty,
+        GlobalConfiguration globalConfiguration) {
+        throw new UnsupportedOperationException("Cannot convert images to file");
+    }
+
+    @Override
+    public CellData convertToExcelData(File value, ExcelContentProperty contentProperty,
+        GlobalConfiguration globalConfiguration) throws IOException {
+        return new CellData(FileUtils.readFileToByteArray(value));
+    }
+
+}
diff --git a/src/main/java/com/alibaba/excel/converters/inputstream/InputStreamImageConverter.java b/src/main/java/com/alibaba/excel/converters/inputstream/InputStreamImageConverter.java
new file mode 100644
index 0000000..0e28b41
--- /dev/null
+++ b/src/main/java/com/alibaba/excel/converters/inputstream/InputStreamImageConverter.java
@@ -0,0 +1,41 @@
+package com.alibaba.excel.converters.inputstream;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.CellData;
+import com.alibaba.excel.metadata.GlobalConfiguration;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+import com.alibaba.excel.util.IOUtils;
+
+/**
+ * File and image converter
+ *
+ * @author Jiaju Zhuang
+ */
+public class InputStreamImageConverter implements Converter<InputStream> {
+    @Override
+    public Class supportJavaTypeKey() {
+        return InputStream.class;
+    }
+
+    @Override
+    public CellDataTypeEnum supportExcelTypeKey() {
+        return CellDataTypeEnum.IMAGE;
+    }
+
+    @Override
+    public InputStream convertToJavaData(CellData cellData, ExcelContentProperty contentProperty,
+        GlobalConfiguration globalConfiguration) {
+        throw new UnsupportedOperationException("Cannot convert images to input stream");
+    }
+
+    @Override
+    public CellData convertToExcelData(InputStream value, ExcelContentProperty contentProperty,
+        GlobalConfiguration globalConfiguration) throws IOException {
+        return new CellData(IOUtils.toByteArray(value));
+    }
+
+}
diff --git a/src/main/java/com/alibaba/excel/converters/string/StringImageConverter.java b/src/main/java/com/alibaba/excel/converters/string/StringImageConverter.java
new file mode 100644
index 0000000..931d4fa
--- /dev/null
+++ b/src/main/java/com/alibaba/excel/converters/string/StringImageConverter.java
@@ -0,0 +1,41 @@
+package com.alibaba.excel.converters.string;
+
+import java.io.File;
+import java.io.IOException;
+
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.CellData;
+import com.alibaba.excel.metadata.GlobalConfiguration;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+import com.alibaba.excel.util.FileUtils;
+
+/**
+ * String and image converter
+ *
+ * @author Jiaju Zhuang
+ */
+public class StringImageConverter implements Converter<String> {
+    @Override
+    public Class supportJavaTypeKey() {
+        return String.class;
+    }
+
+    @Override
+    public CellDataTypeEnum supportExcelTypeKey() {
+        return CellDataTypeEnum.IMAGE;
+    }
+
+    @Override
+    public String convertToJavaData(CellData cellData, ExcelContentProperty contentProperty,
+        GlobalConfiguration globalConfiguration) {
+        throw new UnsupportedOperationException("Cannot convert images to string");
+    }
+
+    @Override
+    public CellData convertToExcelData(String value, ExcelContentProperty contentProperty,
+        GlobalConfiguration globalConfiguration) throws IOException {
+        return new CellData(FileUtils.readFileToByteArray(new File(value)));
+    }
+
+}
diff --git a/src/main/java/com/alibaba/excel/enums/CellDataTypeEnum.java b/src/main/java/com/alibaba/excel/enums/CellDataTypeEnum.java
index d89ae42..44efc17 100644
--- a/src/main/java/com/alibaba/excel/enums/CellDataTypeEnum.java
+++ b/src/main/java/com/alibaba/excel/enums/CellDataTypeEnum.java
@@ -35,7 +35,11 @@ public enum CellDataTypeEnum {
     /**
      * error
      */
-    ERROR;
+    ERROR,
+    /**
+     * Images are currently supported only when writing
+     */
+    IMAGE;
 
     private static final Map<String, CellDataTypeEnum> TYPE_ROUTING_MAP = new HashMap<String, CellDataTypeEnum>(16);
     static {
diff --git a/src/main/java/com/alibaba/excel/metadata/CellData.java b/src/main/java/com/alibaba/excel/metadata/CellData.java
index e03a883..7cd1103 100644
--- a/src/main/java/com/alibaba/excel/metadata/CellData.java
+++ b/src/main/java/com/alibaba/excel/metadata/CellData.java
@@ -23,12 +23,13 @@ public class CellData {
     private Boolean booleanValue;
     private Boolean formula;
     private String formulaValue;
+    private byte[] imageValue;
     /**
-     * The number formatting
+     * The number formatting.Currently only supported when reading
      */
     private Integer dataFormat;
     /**
-     * The string of number formatting
+     * The string of number formatting.Currently only supported when reading
      */
     private String dataFormatString;
 
@@ -39,6 +40,7 @@ public class CellData {
         this.booleanValue = other.booleanValue;
         this.formula = other.formula;
         this.formulaValue = other.formulaValue;
+        this.imageValue = other.imageValue;
         this.dataFormat = other.dataFormat;
         this.dataFormatString = other.dataFormatString;
     }
@@ -68,6 +70,15 @@ public class CellData {
         this.formula = Boolean.FALSE;
     }
 
+    public CellData(byte[] imageValue) {
+        if (imageValue == null) {
+            throw new IllegalArgumentException("ImageValue can not be null");
+        }
+        this.type = CellDataTypeEnum.IMAGE;
+        this.imageValue = imageValue;
+        this.formula = Boolean.FALSE;
+    }
+
     public CellData(Boolean booleanValue) {
         if (booleanValue == null) {
             throw new IllegalArgumentException("BooleanValue can not be null");
@@ -133,6 +144,14 @@ public class CellData {
         this.formulaValue = formulaValue;
     }
 
+    public byte[] getImageValue() {
+        return imageValue;
+    }
+
+    public void setImageValue(byte[] imageValue) {
+        this.imageValue = imageValue;
+    }
+
     public Integer getDataFormat() {
         return dataFormat;
     }
diff --git a/src/main/java/com/alibaba/excel/util/FileUtils.java b/src/main/java/com/alibaba/excel/util/FileUtils.java
index 0a76a65..26327b3 100644
--- a/src/main/java/com/alibaba/excel/util/FileUtils.java
+++ b/src/main/java/com/alibaba/excel/util/FileUtils.java
@@ -1,6 +1,8 @@
 package com.alibaba.excel.util;
 
 import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -23,6 +25,50 @@ public class FileUtils {
     private static final String CACHE = "excache";
     private static final int WRITE_BUFF_SIZE = 8192;
 
+    /**
+     * Reads the contents of a file into a byte array. * The file is always closed.
+     *
+     * @param file
+     * @return
+     * @throws IOException
+     */
+    public static byte[] readFileToByteArray(final File file) throws IOException {
+        InputStream in = openInputStream(file);
+        try {
+            final long fileLength = file.length();
+            return fileLength > 0 ? IOUtils.toByteArray(in, (int)fileLength) : IOUtils.toByteArray(in);
+        } finally {
+            in.close();
+        }
+    }
+
+    /**
+     * Opens a {@link FileInputStream} for the specified file, providing better error messages than simply calling
+     * <code>new FileInputStream(file)</code>.
+     * <p>
+     * At the end of the method either the stream will be successfully opened, or an exception will have been thrown.
+     * <p>
+     * An exception is thrown if the file does not exist. An exception is thrown if the file object exists but is a
+     * directory. An exception is thrown if the file exists but cannot be read.
+     *
+     * @param file
+     * @return
+     * @throws IOException
+     */
+    public static FileInputStream openInputStream(final File file) throws IOException {
+        if (file.exists()) {
+            if (file.isDirectory()) {
+                throw new IOException("File '" + file + "' exists but is a directory");
+            }
+            if (file.canRead() == false) {
+                throw new IOException("File '" + file + "' cannot be read");
+            }
+        } else {
+            throw new FileNotFoundException("File '" + file + "' does not exist");
+        }
+        return new FileInputStream(file);
+    }
+
     /**
      * Write inputStream to file
      *
diff --git a/src/main/java/com/alibaba/excel/util/IOUtils.java b/src/main/java/com/alibaba/excel/util/IOUtils.java
new file mode 100644
index 0000000..dc41531
--- /dev/null
+++ b/src/main/java/com/alibaba/excel/util/IOUtils.java
@@ -0,0 +1,85 @@
+package com.alibaba.excel.util;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+/**
+ * IO Utils
+ *
+ * @author Jiaju Zhuang
+ */
+public class IOUtils {
+    public static final int EOF = -1;
+    /**
+     * The default buffer size ({@value}) to use for
+     */
+    private static final int DEFAULT_BUFFER_SIZE = 1024 * 4;
+
+    /**
+     * Gets the contents of an InputStream as a byte[].
+     *
+     * @param input
+     * @return
+     * @throws IOException
+     */
+    public static byte[] toByteArray(final InputStream input) throws IOException {
+        final ByteArrayOutputStream output = new ByteArrayOutputStream();
+        try {
+            copy(input, output);
+            return output.toByteArray();
+        } finally {
+            output.toByteArray();
+        }
+    }
+
+    /**
+     * Gets the contents of an InputStream as a byte[].
+     *
+     * @param input
+     * @param size
+     * @return
+     * @throws IOException
+     */
+    public static byte[] toByteArray(final InputStream input, final int size) throws IOException {
+        if (size < 0) {
+            throw new IllegalArgumentException("Size must be equal or greater than zero: " + size);
+        }
+        if (size == 0) {
+            return new byte[0];
+        }
+        final byte[] data = new byte[size];
+        int offset = 0;
+        int read;
+        while (offset < size && (read = input.read(data, offset, size - offset)) != EOF) {
+            offset += read;
+        }
+        if (offset != size) {
+            throw new IOException("Unexpected read size. current: " + offset + ", expected: " + size);
+        }
+        return data;
+    }
+
+    /**
+     * Copies bytes
+     *
+     * @param input
+     * @param output
+     * @return
+     * @throws IOException
+     */
+    public static int copy(final InputStream input, final OutputStream output) throws IOException {
+        long count = 0;
+        int n;
+        byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
+        while (EOF != (n = input.read(buffer))) {
+            output.write(buffer, 0, n);
+            count += n;
+        }
+        if (count > Integer.MAX_VALUE) {
+            return -1;
+        }
+        return (int)count;
+    }
+}
diff --git a/src/main/java/com/alibaba/excel/write/ExcelBuilderImpl.java b/src/main/java/com/alibaba/excel/write/ExcelBuilderImpl.java
index 970fd3c..e619e37 100644
--- a/src/main/java/com/alibaba/excel/write/ExcelBuilderImpl.java
+++ b/src/main/java/com/alibaba/excel/write/ExcelBuilderImpl.java
@@ -8,8 +8,13 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
+import org.apache.poi.hssf.usermodel.HSSFWorkbook;
 import org.apache.poi.ss.usermodel.Cell;
+import org.apache.poi.ss.usermodel.ClientAnchor;
+import org.apache.poi.ss.usermodel.CreationHelper;
+import org.apache.poi.ss.usermodel.Drawing;
 import org.apache.poi.ss.usermodel.Row;
+import org.apache.poi.ss.usermodel.Sheet;
 import org.apache.poi.ss.util.CellRangeAddress;
 
 import com.alibaba.excel.context.WriteContext;
@@ -303,12 +308,36 @@ public class ExcelBuilderImpl implements ExcelBuilder {
             case NUMBER:
                 cell.setCellValue(cellData.getDoubleValue());
                 return cellData;
+            case IMAGE:
+                setImageValue(cellData, cell);
+                return cellData;
             default:
                 throw new ExcelDataConvertException("Not supported data:" + value + " return type:" + cell.getCellType()
                     + "at row:" + cell.getRow().getRowNum());
         }
     }
 
+    private void setImageValue(CellData cellData, Cell cell) {
+        Sheet sheet = cell.getSheet();
+        int index = sheet.getWorkbook().addPicture(cellData.getImageValue(), HSSFWorkbook.PICTURE_TYPE_PNG);
+        Drawing drawing = sheet.getDrawingPatriarch();
+        if (drawing == null) {
+            drawing = sheet.createDrawingPatriarch();
+        }
+        CreationHelper helper = sheet.getWorkbook().getCreationHelper();
+        ClientAnchor anchor = helper.createClientAnchor();
+        anchor.setDx1(0);
+        anchor.setDx2(0);
+        anchor.setDy1(0);
+        anchor.setDy2(0);
+        anchor.setCol1(cell.getColumnIndex());
+        anchor.setCol2(cell.getColumnIndex() + 1);
+        anchor.setRow1(cell.getRowIndex());
+        anchor.setRow2(cell.getRowIndex() + 1);
+        anchor.setAnchorType(ClientAnchor.AnchorType.DONT_MOVE_AND_RESIZE);
+        drawing.createPicture(anchor, index);
+    }
+
     private CellData convert(WriteHolder currentWriteHolder, Class clazz, Cell cell, Object value,
         ExcelContentProperty excelContentProperty) {
         if (value instanceof CellData) {
diff --git a/src/main/java/com/alibaba/excel/write/style/column/SimpleColumnWidthStyleStrategy.java b/src/main/java/com/alibaba/excel/write/style/column/SimpleColumnWidthStyleStrategy.java
index 9b1b903..1f3ae78 100644
--- a/src/main/java/com/alibaba/excel/write/style/column/SimpleColumnWidthStyleStrategy.java
+++ b/src/main/java/com/alibaba/excel/write/style/column/SimpleColumnWidthStyleStrategy.java
@@ -13,7 +13,6 @@ public class SimpleColumnWidthStyleStrategy extends AbstractHeadColumnWidthStyle
     /**
      *
      * @param columnWidth
-     *
      */
     public SimpleColumnWidthStyleStrategy(Integer columnWidth) {
         this.columnWidth = columnWidth;
diff --git a/src/test/java/com/alibaba/easyexcel/test/core/converter/ConverterData.java b/src/test/java/com/alibaba/easyexcel/test/core/converter/ConverterData.java
index da41aaa..8846947 100644
--- a/src/test/java/com/alibaba/easyexcel/test/core/converter/ConverterData.java
+++ b/src/test/java/com/alibaba/easyexcel/test/core/converter/ConverterData.java
@@ -20,7 +20,7 @@ public class ConverterData {
     @ExcelProperty("大数")
     private BigDecimal bigDecimal;
     @ExcelProperty("长整型")
-    private Long longData;
+    private long longData;
     @ExcelProperty("整型")
     private Integer integerData;
     @ExcelProperty("短整型")
@@ -28,7 +28,7 @@ public class ConverterData {
     @ExcelProperty("字节型")
     private Byte byteData;
     @ExcelProperty("双精度浮点型")
-    private Double doubleData;
+    private double doubleData;
     @ExcelProperty("浮点型")
     private Float floatData;
     @ExcelProperty("字符串")
diff --git a/src/test/java/com/alibaba/easyexcel/test/core/converter/ConverterDataTest.java b/src/test/java/com/alibaba/easyexcel/test/core/converter/ConverterDataTest.java
index 85f5f39..a223e25 100644
--- a/src/test/java/com/alibaba/easyexcel/test/core/converter/ConverterDataTest.java
+++ b/src/test/java/com/alibaba/easyexcel/test/core/converter/ConverterDataTest.java
@@ -1,6 +1,7 @@
 package com.alibaba.easyexcel.test.core.converter;
 
 import java.io.File;
+import java.io.InputStream;
 import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.List;
@@ -12,9 +13,9 @@ import org.junit.runners.MethodSorters;
 
 import com.alibaba.easyexcel.test.util.TestFileUtil;
 import com.alibaba.excel.EasyExcel;
-import com.alibaba.excel.EasyExcel;
 import com.alibaba.excel.metadata.CellData;
 import com.alibaba.excel.util.DateUtils;
+import com.alibaba.excel.util.FileUtils;
 
 /**
  *
@@ -25,11 +26,15 @@ public class ConverterDataTest {
 
     private static File file07;
     private static File file03;
+    private static File fileImage07;
+    private static File fileImage03;
 
     @BeforeClass
     public static void init() {
         file07 = TestFileUtil.createNewFile("converter07.xlsx");
         file03 = TestFileUtil.createNewFile("converter03.xls");
+        fileImage07 = TestFileUtil.createNewFile("converterImage07.xlsx");
+        fileImage03 = TestFileUtil.createNewFile("converterImage03.xls");
     }
 
     @Test
@@ -57,9 +62,38 @@ public class ConverterDataTest {
         readAllConverter("converter" + File.separator + "converter03.xls");
     }
 
+    @Test
+    public void T05WriteImage07() throws Exception {
+        writeImage(fileImage07);
+    }
+
+    @Test
+    public void T06WriteImage03() throws Exception {
+        writeImage(fileImage03);
+    }
+
+    private void writeImage(File file) throws Exception {
+        InputStream inputStream = null;
+        try {
+            List<ImageData> list = new ArrayList<ImageData>();
+            ImageData imageData = new ImageData();
+            list.add(imageData);
+            String imagePath = TestFileUtil.getPath() + "converter" + File.separator + "img.jpg";
+            imageData.setByteArray(FileUtils.readFileToByteArray(new File(imagePath)));
+            imageData.setFile(new File(imagePath));
+            imageData.setString(imagePath);
+            inputStream = FileUtils.openInputStream(new File(imagePath));
+            imageData.setInputStream(inputStream);
+            EasyExcel.write(file, ImageData.class).sheet().doWrite(list);
+        } finally {
+            if (inputStream != null) {
+                inputStream.close();
+            }
+        }
+    }
+
     private void readAllConverter(String fileName) {
-        EasyExcel
-            .read(TestFileUtil.readFile(fileName), ReadAllConverterData.class, new ReadAllConverterDataListener())
+        EasyExcel.read(TestFileUtil.readFile(fileName), ReadAllConverterData.class, new ReadAllConverterDataListener())
             .sheet().doRead();
     }
 
diff --git a/src/test/java/com/alibaba/easyexcel/test/core/converter/ImageData.java b/src/test/java/com/alibaba/easyexcel/test/core/converter/ImageData.java
new file mode 100644
index 0000000..f8d6ac2
--- /dev/null
+++ b/src/test/java/com/alibaba/easyexcel/test/core/converter/ImageData.java
@@ -0,0 +1,25 @@
+package com.alibaba.easyexcel.test.core.converter;
+
+import java.io.File;
+import java.io.InputStream;
+
+import com.alibaba.excel.annotation.ExcelProperty;
+import com.alibaba.excel.annotation.write.style.ColumnWidth;
+import com.alibaba.excel.annotation.write.style.ContentRowHeight;
+import com.alibaba.excel.converters.string.StringImageConverter;
+
+import lombok.Data;
+
+/**
+ * @author Jiaju Zhuang
+ */
+@Data
+@ContentRowHeight(500)
+@ColumnWidth(500 / 8)
+public class ImageData {
+    private File file;
+    private InputStream inputStream;
+    @ExcelProperty(converter = StringImageConverter.class)
+    private String string;
+    private byte[] byteArray;
+}
diff --git a/src/test/java/com/alibaba/easyexcel/test/temp/StyleData.java b/src/test/java/com/alibaba/easyexcel/test/temp/StyleData.java
new file mode 100644
index 0000000..8921492
--- /dev/null
+++ b/src/test/java/com/alibaba/easyexcel/test/temp/StyleData.java
@@ -0,0 +1,20 @@
+package com.alibaba.easyexcel.test.temp;
+
+import java.util.List;
+
+import lombok.Data;
+
+/**
+ *
+ * @author Jiaju Zhuang
+ **/
+@Data
+public class StyleData {
+    private byte[] byteValue;
+    private Byte[] byteValue2;
+    private byte byteValue1;
+    private Byte byteValue4;
+    private byte byteValue3;
+    private String[] ss;
+    private List<String> s1s;
+}
diff --git a/src/test/java/com/alibaba/easyexcel/test/temp/StyleTest.java b/src/test/java/com/alibaba/easyexcel/test/temp/StyleTest.java
index b6598b3..edabcec 100644
--- a/src/test/java/com/alibaba/easyexcel/test/temp/StyleTest.java
+++ b/src/test/java/com/alibaba/easyexcel/test/temp/StyleTest.java
@@ -2,6 +2,7 @@ package com.alibaba.easyexcel.test.temp;
 
 import java.io.FileInputStream;
 import java.io.InputStream;
+import java.lang.reflect.Field;
 import java.util.Date;
 import java.util.List;
 
@@ -18,6 +19,7 @@ import org.apache.poi.ss.usermodel.Row;
 import org.apache.poi.ss.usermodel.Sheet;
 import org.apache.poi.ss.usermodel.Workbook;
 import org.apache.poi.ss.usermodel.WorkbookFactory;
+import org.apache.tomcat.util.http.fileupload.IOUtils;
 import org.junit.Ignore;
 import org.junit.Test;
 import org.slf4j.Logger;
@@ -118,6 +120,24 @@ public class StyleTest {
         System.out.println(ff.format(new Date()));
     }
 
+    @Test
+    public void testFormatter2() throws Exception {
+        StyleData styleData = new StyleData();
+        Field field = styleData.getClass().getDeclaredField("byteValue");
+        LOGGER.info("filed:{}", field.getType().getName());
+        field = styleData.getClass().getDeclaredField("byteValue2");
+        LOGGER.info("filed:{}", field.getType().getName());
+        field = styleData.getClass().getDeclaredField("byteValue4");
+        LOGGER.info("filed:{}", field.getType());
+        field = styleData.getClass().getDeclaredField("byteValue3");
+        LOGGER.info("filed:{}", field.getType());
+    }
+
+    @Test
+    public void testFormatter3() throws Exception {
+        LOGGER.info("filed:{}", Byte.class == Byte.class);
+    }
+
     private void isDate(Cell cell) {
         System.out.println(
             DateUtil.isADateFormat(cell.getCellStyle().getDataFormat(), cell.getCellStyle().getDataFormatString()));
diff --git a/src/test/java/com/alibaba/easyexcel/test/util/TestFileUtil.java b/src/test/java/com/alibaba/easyexcel/test/util/TestFileUtil.java
index e43bdde..2031e70 100644
--- a/src/test/java/com/alibaba/easyexcel/test/util/TestFileUtil.java
+++ b/src/test/java/com/alibaba/easyexcel/test/util/TestFileUtil.java
@@ -13,10 +13,6 @@ public class TestFileUtil {
         return TestFileUtil.class.getResource("/").getPath();
     }
 
-    public static File readFile(String pathName) {
-        return new File(getPath() + pathName);
-    }
-
     public static File createNewFile(String pathName) {
         File file = new File(getPath() + pathName);
         if (file.exists()) {
@@ -29,4 +25,8 @@ public class TestFileUtil {
         return file;
     }
 
+    public static File readFile(String pathName) {
+        return new File(getPath() + pathName);
+    }
+
 }
diff --git a/src/test/resources/converter/img.jpg b/src/test/resources/converter/img.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..953f39f346ae1da8e045670fa72b542d7dd828d0
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HcmV?d00001

-- 
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