/**
* xlsxファイルを読み込み<b>XSSFWorkbook</b>を生成する
*
* @param filePath ファイルパス
* @return <b>XSSFWorkbook</b>
*/
public static XSSFWorkbook load(String filePath) {
try {
InputStream inputStream = new FileInputStream(filePath);
XSSFWorkbook workbook = new XSSFWorkbook(inputStream);
return workbook;
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
/**
* 导出对象到Excel，不是基于模板的，直接新建一个Excel完成导出，基于流
*
* @param os 输出流
* @param objs 对象列表
* @param clz 对象类型
* @param isXssf 是否是2007版本
*/
public void exportExcelByPath(
OutputStream os, List objs, Class clz, boolean isXssf, String message) {
try {
Workbook wb = handleExcel(objs, clz, isXssf, message);
wb.write(os);
} catch (FileNotFoundException e) {
e.printStackTrace();
logger.error(e);
} catch (IOException e) {
e.printStackTrace();
logger.error(e);
}
}
/**
* 从文件路径读取相应的Excel文件到对象列表
*
* @param path 文件路径下的path
* @param clz 对象类型
* @param readLine 开始行，注意是标题所在行
* @param tailLine 底部有多少行，在读入对象时，会减去这些行
* @return
*/
public List<Object> readExcelByPath(String path, Class clz, int readLine, int tailLine) {
Workbook wb = null;
try {
wb = WorkbookFactory.create(new File(path));
return readExcel(wb, clz, readLine, tailLine);
} catch (FileNotFoundException e) {
e.printStackTrace();
logger.error(e);
} catch (InvalidFormatException e) {
e.printStackTrace();
logger.error(e);
} catch (IOException e) {
e.printStackTrace();
logger.error(e);
}
return null;
}
/**
* 导出对象到Excel，直接新建一个Excel完成导出，基于路径的导出，不基于模板
*
* @param outPath 导出路径
* @param objs 对象列表
* @param clz 对象类型
* @param isXssf 是否是2007版本
*/
public void exportExcelByPath(
String outPath, List objs, Class clz, boolean isXssf, String message) {
Workbook wb = handleExcel(objs, clz, isXssf, message);
FileOutputStream fos = null;
try {
fos = new FileOutputStream(outPath);
wb.toString().getBytes("GB2312");
wb.write(fos);
} catch (FileNotFoundException e) {
e.printStackTrace();
logger.error(e);
} catch (IOException e) {
e.printStackTrace();
logger.error(e);
} finally {
try {
if (fos != null) fos.close();
} catch (IOException e) {
e.printStackTrace();
logger.error(e);
}
}
}
public static void writeExcelFile(String fileLocation) {
try {
FileOutputStream fileOut = new FileOutputStream(fileLocation);
HSSFWorkbook workbook = new HSSFWorkbook();
Font bold = workbook.createFont(); // Create font
bold.setBoldweight(Font.BOLDWEIGHT_BOLD); // Make font bold
CellStyle correctCell = workbook.createCellStyle();
correctCell.setFillForegroundColor(HSSFColor.GREEN.index);
correctCell.setFillBackgroundColor(HSSFColor.GREEN.index);
correctCell.setFillPattern(CellStyle.SOLID_FOREGROUND);
CellStyle incorrectCell = workbook.createCellStyle();
incorrectCell.setFillForegroundColor(HSSFColor.RED.index);
incorrectCell.setFillBackgroundColor(HSSFColor.RED.index);
incorrectCell.setFillPattern(CellStyle.SOLID_FOREGROUND);
CellStyle classificationCells = workbook.createCellStyle();
classificationCells.setFillForegroundColor(HSSFColor.YELLOW.index);
classificationCells.setFillBackgroundColor(HSSFColor.YELLOW.index);
classificationCells.setFillPattern(CellStyle.SOLID_FOREGROUND);
CellStyle attributeNameCells = workbook.createCellStyle();
attributeNameCells.setFont(bold);
CellStyle classificationAttributeCell = workbook.createCellStyle();
classificationAttributeCell.setFillForegroundColor(HSSFColor.YELLOW.index);
classificationAttributeCell.setFillBackgroundColor(HSSFColor.YELLOW.index);
classificationAttributeCell.setFillPattern(CellStyle.SOLID_FOREGROUND);
classificationAttributeCell.setFont(bold);
Sheet worksheet = workbook.createSheet("Results");
Row currRow = worksheet.createRow(0);
for (int attribute = 0; attribute < metadataLL.size() + 1; attribute++) {
Cell currCell = currRow.createCell(attribute);
if (attribute < metadataLL.size()) {
currCell.setCellValue(metadataLL.get(attribute)[0]);
if (metadataLL.get(attribute)[2].compareTo("classifier") == 0) {
currCell.setCellStyle(classificationAttributeCell);
} else {
currCell.setCellStyle(attributeNameCells);
}
} else {
currCell.setCellValue("Guessed Classification");
currCell.setCellStyle(attributeNameCells);
}
}
int correct = 0;
int incorrect = 0;
for (int node = 0; node < testDataLL.size(); node++) {
currRow = worksheet.createRow(node + 1); // Offset by one since first row is header data
int classifierCompleted = 0; // Necessary for if data does not end in classifier
for (int attribute = 0;
attribute < metadataLL.size() + 2;
attribute++) // +1 for the row for guessed data +1 for the row that contains
{
Cell currCell = currRow.createCell(attribute);
if (attribute < metadataLL.size()) // Print testingData
{
if (metadataLL.get(attribute)[2].compareTo("classifier") == 0) {
currCell.setCellValue(actualClassifications.get(node));
currCell.setCellStyle(classificationCells);
classifierCompleted++;
} else {
currCell.setCellValue(testDataLL.get(node)[attribute - classifierCompleted]);
}
} else if (attribute == metadataLL.size()) // Print guessed classification
{
currCell.setCellValue(guessedClassifications.get(node));
if (guessedClassifications.get(node).compareTo(actualClassifications.get(node)) == 0) {
currCell.setCellStyle(correctCell);
correct++;
} else {
currCell.setCellStyle(incorrectCell);
incorrect++;
}
if (node == testDataLL.size() - 1) // If this is the last loop
{
double precentRight = (double) correct / (correct + incorrect);
currRow = worksheet.createRow(node + 2);
currCell = currRow.createCell(attribute);
currCell.setCellValue(precentRight);
if (precentRight > .90) {
correctCell.setDataFormat(workbook.createDataFormat().getFormat("0.000%"));
currCell.setCellStyle(correctCell);
} else {
incorrectCell.setDataFormat(workbook.createDataFormat().getFormat("0.000%"));
currCell.setCellStyle(incorrectCell);
}
}
} else if (attribute
== metadataLL.size() + 1) // Print potential bad training data if the flag is true
{
if (unseenDataFlag.get(node)) {
currCell.setCellValue(
"This node an attribute value not in the training set, classifier selected is based on most frequent classifier. If laplacian smoothing is 1 or more this likely wont happen"); // TODO make this a bit shorter
}
}
}
}
worksheet = workbook.createSheet("Training Data");
currRow = worksheet.createRow(0);
for (int attribute = 0; attribute < metadataLL.size(); attribute++) {
Cell currCell = currRow.createCell(attribute);
currCell.setCellValue(metadataLL.get(attribute)[0]);
currCell.setCellStyle(attributeNameCells);
}
for (int node = 0; node < trainingDataLL.size(); node++) {
currRow = worksheet.createRow(node + 1); // Offset by one since first row is header data
int classifierCompleted = 0; // Necessary for if data does not end in classifier
for (int attribute = 0; attribute < metadataLL.size(); attribute++) {
Cell currCell = currRow.createCell(attribute);
if (metadataLL.get(attribute)[2].compareTo("classifier") == 0) {
currCell.setCellValue(knownClassifications.get(node));
classifierCompleted++;
} else {
currCell.setCellValue(trainingDataLL.get(node)[attribute - classifierCompleted]);
}
}
}
worksheet = workbook.createSheet("Likelihood");
currRow = worksheet.createRow(0);
int largestAttributeSize = 0;
for (int attribute = 0; attribute < classifier.size(); attribute++) {
if (classifier.get(attribute).size() > largestAttributeSize) {
largestAttributeSize = classifier.get(attribute).size();
}
}
// Label attributes along the top
for (int i = 0; i < metadataLL.size(); i++) {
if (i == 0) {
Cell currCell = currRow.createCell(i);
// currCell.setCellValue("Attributes");
currCell.setCellStyle(attributeNameCells);
} else {
Cell currCell = currRow.createCell(i);
currCell.setCellValue(
metadataLL
.get(i - 1)[0]); // -1 since the first cell does not contain a attribute name
currCell.setCellStyle(attributeNameCells);
}
}
// List possible classifications on the side and classification likelihoods at the end
for (int i = 0;
i
< (largestAttributeSize * (classificationTypes.size() + 1)
+ classificationTypes.size()
+ 1);
i++) // +1 since the first row of each stride lists each attributes string of what
// occurrence the likelihoods are displaying
{ // +classificationTypes.size() so we can list the classification types likelihood at the end
currRow = worksheet.createRow(i + 1); // +1 since first row is attribute names
Cell currCell = currRow.createCell(0);
int currentClassificationType =
i
% (classificationTypes.size()
+ 1); // +1 since the first row of each stride lists each attributes string of
// what occurrence the likelihoods are displaying
// List the classification type of each row along the side
if (i
< largestAttributeSize
* (classificationTypes.size()
+ 1)) // +1 since the first row of each stride lists each attributes string of
// what occurrence the likelihoods are displaying
{
for (int j = 0;
j < classificationTypes.size() + 1;
j++) // +1 since the first row of each stride lists each attributes string of what
// occurrence the likelihoods are displaying
{
if (currentClassificationType == 0) {
// Do nothing for now may have it say something later
} else if (currentClassificationType == j) {
currCell.setCellValue(
classificationTypes.get(
j - 1)); // -1 since the first cell does not contain a classification type
}
}
} else // List the likelihood of each classification at the end
{
for (int j = 0;
j < classificationTypes.size() + 1;
j++) // +1 since the first row of each stride lists each attributes string of what
// occurrence the likelihoods are displaying
{
if (currentClassificationType == 0) {
// Do nothing for now may have it say value later
} else if (currentClassificationType == j) {
currCell.setCellValue(
"Likelihood of: "
+ classificationTypes.get(j - 1)
+ " is "
+ classificationLikelihood.get(
j - 1)); // -1 since the first cell does not contain a classification type
}
}
}
currCell.setCellStyle(attributeNameCells);
}
// List the data
for (int attribute = 0; attribute < classifier.size(); attribute++) {
for (int occurrences = 0; occurrences < classifier.get(attribute).size(); occurrences++) {
for (int classification = 0;
classification < classifier.get(attribute).get(occurrences).length;
classification++) {
currRow =
worksheet.getRow(
(occurrences * classifier.get(attribute).get(occurrences).length
+ classification)
+ 1); // +1 since first row is attribute names
Cell currCell =
currRow.createCell(
(attribute) + 1); // TODO figure out why this errors out at i:0 j:4 k:0
// largestAttributeSize:105 on kidney dataset
currCell.setCellValue(classifier.get(attribute).get(occurrences)[classification]);
}
}
}
workbook.write(fileOut);
workbook.close();
workbook.close();
} catch (FileNotFoundException e) {
System.out.println("Error file not found");
e.printStackTrace();
System.exit(0);
} catch (IOException e) {
System.out.println("Unable to output file, is the output destination writelocked?");
e.printStackTrace();
System.exit(0);
}
}