java excel通用工具类

public class ExcelUtils {

/**

* 有时间记得重构下

* 生成excel流

* @throws IOException

* @param type xone-1 lr-2

public static String createExcelIO(List<ExcelSheetUtils> sheets, String bgnDate,String orgCode,String type) throws IOException{

ByteArrayOutputStream bos=null;

InputStream input=null;

String paramString="";

XSSFWorkbook wb = getExcel(sheets, bgnDate,orgCode,type);

bos = new ByteArrayOutputStream();

wb.write(bos); // 写入bate对象

byte[] byteArray = bos.toByteArray();

input = new ByteArrayInputStream(byteArray);

paramString = streamToString(input);

if (bos != null) {

bos.close();// 操作结束，关闭文件

}

if (input != null) {

input.close();// 操作结束，关闭文件

}

return paramString;

}

/**

* 生产excel文件

* @param sheets

* @param bgnDate

* @param xls

* @param type xone-1 lr-2

* @return

* @throws IOException

public static String createExcel(List<ExcelSheetUtils> sheets, String bgnDate,String xls,String orgCode,String type) throws IOException{

OutputStream os = null;

XSSFWorkbook wb = getExcel(sheets, bgnDate,orgCode,type);

String filePath = getFilePath(xls);

os = new FileOutputStream(filePath);

wb.write(os);

os.flush();

if (os!=null) {

os.close();

}

return filePath;

}

/**

* 生产excel对象

* @param sheets

* @param bgnDate

* @return

private static XSSFWorkbook getExcel(List<ExcelSheetUtils> sheets, String bgnDate,String orgCode,String type){

if (type.equals("1")) {

//创建excel

XSSFWorkbook wb = new XSSFWorkbook();

//设置excel样式

XSSFCellStyle headStyle = wb.createCellStyle();

XSSFCellStyle headSmallStyle = wb.createCellStyle();

XSSFCellStyle titleStyle = wb.createCellStyle();

XSSFCellStyle contentStyle = wb.createCellStyle();

XSSFCellStyle contentStyleRed = wb.createCellStyle();

XSSFDataFormat format = wb.createDataFormat();

//内容

XSSFFont fontContent = wb.createFont();

fontContent.setFontName("Arial"); // 什么字体

fontContent.setFontHeightInPoints((short)9);

contentStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN);

contentStyle.setBorderTop(HSSFCellStyle.BORDER_THIN);

contentStyle.setBorderRight(HSSFCellStyle.BORDER_THIN);

contentStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN);

contentStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);

contentStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);

contentStyle.setDataFormat(format.getFormat("TEXT"));

contentStyle.setWrapText(true);

contentStyle.setFont(fontContent);

//红色字体

XSSFFont fontred = wb.createFont();

fontred.setColor(HSSFColor.RED.index);

fontred.setFontName("Arial"); // 什么字体

fontred.setFontHeightInPoints((short)9);

contentStyleRed.setBorderLeft(HSSFCellStyle.BORDER_THIN);

contentStyleRed.setBorderTop(HSSFCellStyle.BORDER_THIN);

contentStyleRed.setBorderRight(HSSFCellStyle.BORDER_THIN);

contentStyleRed.setBorderBottom(HSSFCellStyle.BORDER_THIN);

contentStyleRed.setAlignment(HSSFCellStyle.ALIGN_CENTER);

contentStyleRed.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);

contentStyleRed.setDataFormat(format.getFormat("TEXT"));

contentStyleRed.setWrapText(true);

contentStyleRed.setFont(fontred);

//头部

XSSFFont fontHead = wb.createFont();

fontHead.setFontHeightInPoints((short) 12); // 字体大小

fontHead.setFontName("Arial"); // 什么字体

fontHead.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD); // 字体加粗

headStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);

headStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);

headStyle.setDataFormat(format.getFormat("TEXT"));

headStyle.setWrapText(true);

headStyle.setFont(fontHead);

//头部小字

XSSFFont fontHeadSmall = wb.createFont();

fontHeadSmall.setFontHeightInPoints((short) 9); // 字体大小

fontHeadSmall.setFontName("Arial"); // 什么字体

fontHeadSmall.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD); // 字体加粗

headSmallStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);

headSmallStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);

headSmallStyle.setDataFormat(format.getFormat("TEXT"));

headSmallStyle.setWrapText(true);

headSmallStyle.setFont(fontHeadSmall);

//标题

XSSFFont fontTitle = wb.createFont();

fontTitle.setFontHeightInPoints((short) 9); // 字体大小

fontTitle.setFontName("Arial"); // 什么字体

fontTitle.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD); // 字体加粗

titleStyle.cloneStyleFrom(contentStyle);

titleStyle.setFont(fontTitle);

for (ExcelSheetUtils esu : sheets) {

String[] title = esu.getTitle();

String[] contentKey = esu.getContentKey();

String sheet =esu.getSheet();

List<Map> list = esu.getContent();

//如果大标题不为空,那么就是第一页

if (!StringUtils.isEmpty(esu.getHeardTitle())) {

XSSFSheet st = wb.createSheet(sheet);

//设置列宽

st.setDefaultRowHeightInPoints(15);//这是设置整个列表的高度高

st.setDefaultColumnWidth(15);//设置整个列表的宽度

int length = title.length;

XSSFRow hrow = st.createRow(0);

XSSFCell titleCell = hrow.createCell(0);

titleCell.setCellValue(esu.getHeardTitle());

titleCell.setCellStyle(headStyle);

//参数说明：1：开始行 2：结束行 3：开始列 4：结束列

st.addMergedRegion(new CellRangeAddress(0,0,0,length - 1));

XSSFRow hrow1 = st.createRow(1);

XSSFRow hrow2 = st.createRow(2);

XSSFCell Cell2 = hrow2.createCell(0);

Cell2.setCellValue("制表:"+orgCode);

Cell2.setCellStyle(headSmallStyle);

st.addMergedRegion(new CellRangeAddress(2,2,0,length - 1));

XSSFRow hrow3 = st.createRow(3);

XSSFCell Cel3 = hrow3.createCell(0);

Cel3.setCellValue("开始日期:"+bgnDate+"结束日期:"+bgnDate);

Cel3.setCellStyle(headSmallStyle);

st.addMergedRegion(new CellRangeAddress(3,3,0,length - 1));

XSSFRow hrow4 = st.createRow(4);

XSSFCell title2Cell=hrow4.createCell(0);

title2Cell.setCellValue(sheet);

title2Cell.setCellStyle(headStyle);

st.addMergedRegion(new CellRangeAddress(4,4,0,length - 1));

XSSFRow hrow5 = st.createRow(5);

for (int i = 0; i < length; i++) {

XSSFCell cell = hrow5.createCell(i);

cell.setCellValue(new XSSFRichTextString(title[i]));

cell.setCellStyle(titleStyle);

}

if (list != null && list.size() > 0) {

int size = list.size();

for (int i = 0; i < size; i++) {

XSSFRow row = st.createRow(i + 6);

Map dataRow = (Map) list.get(i);

for (int j = 0; j < contentKey.length; j++) {

XSSFCell cell = row.createCell(j);

Object eleData = dataRow.get(contentKey[j]);

if (StringUtils.isEmpty(eleData)) {

cell.setCellValue("");

cell.setCellStyle(contentStyle);

}else{

String value =eleData.toString();

cell.setCellValue(value);

if (value.startsWith("-")) {

cell.setCellStyle(contentStyleRed);

}else{

cell.setCellStyle(contentStyle);

}

}else{

XSSFSheet st = wb.createSheet(esu.getSheet());

st.setDefaultRowHeightInPoints(15);//这是设置整个列表的高度高

st.setDefaultColumnWidth(10);//设置整个列表的宽度

int length = title.length;

XSSFRow hrow = st.createRow(0);

XSSFRow hrow2 = st.createRow(1);

for (int i = 0; i < length; i++) {

XSSFCell cell = hrow2.createCell(i);

cell.setCellValue(new XSSFRichTextString(title[i]));

cell.setCellStyle(titleStyle);

}

if (list != null && list.size() > 0) {

int size = list.size();

for (int i = 0; i < size; i++) {

XSSFRow row = st.createRow(i + 2);

Map dataRow = (Map) list.get(i);

for (int j = 0; j < contentKey.length; j++) {

XSSFCell cell = row.createCell(j);

Object eleData = dataRow.get(contentKey[j]);

if (StringUtils.isEmpty(eleData)) {

cell.setCellValue("");

cell.setCellStyle(contentStyle);

}else{

String value =eleData.toString();

cell.setCellValue(value);

if (value.startsWith("-")) {

cell.setCellStyle(contentStyleRed);

}else{

cell.setCellStyle(contentStyle);

}

//创建页尾

XSSFSheet st = wb.createSheet("页尾");

st.setDefaultRowHeightInPoints(15);//这是设置整个列表的高度高

st.setDefaultColumnWidth(100);//设置整个列表的宽度

XSSFRow hrow = st.createRow(0);

XSSFRow hrow2 = st.createRow(1);

XSSFCell cell = hrow2.createCell(0);

cell.setCellValue(new SimpleDateFormat("制表日期:"+"yyyy年 MM月 dd日 HH点 mm分 ss秒"+" 操作员："+orgCode).format(new Date()));

cell.setCellStyle(titleStyle);

return wb;

} else {

// 创建excel 两融

XSSFWorkbook wb = new XSSFWorkbook();

// 设置excel样式

XSSFCellStyle headStyle = wb.createCellStyle();

XSSFCellStyle headSmallStyle = wb.createCellStyle();

XSSFCellStyle titleStyle = wb.createCellStyle();

XSSFCellStyle contentStyle = wb.createCellStyle();

XSSFCellStyle contentStyleRed = wb.createCellStyle();

XSSFDataFormat format = wb.createDataFormat();

// 内容

XSSFFont fontContent = wb.createFont();

fontContent.setFontName("Arial"); // 什么字体

fontContent.setFontHeightInPoints((short) 9);

contentStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN);

contentStyle.setBorderTop(HSSFCellStyle.BORDER_THIN);

contentStyle.setBorderRight(HSSFCellStyle.BORDER_THIN);

contentStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN);

contentStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);

contentStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);

contentStyle.setDataFormat(format.getFormat("TEXT"));

contentStyle.setWrapText(true);

contentStyle.setFont(fontContent);

// 红色字体

XSSFFont fontred = wb.createFont();

fontred.setColor(HSSFColor.RED.index);

fontred.setFontName("Arial"); // 什么字体

fontred.setFontHeightInPoints((short) 9);

contentStyleRed.setBorderLeft(HSSFCellStyle.BORDER_THIN);

contentStyleRed.setBorderTop(HSSFCellStyle.BORDER_THIN);

contentStyleRed.setBorderRight(HSSFCellStyle.BORDER_THIN);

contentStyleRed.setBorderBottom(HSSFCellStyle.BORDER_THIN);

contentStyleRed.setAlignment(HSSFCellStyle.ALIGN_CENTER);

contentStyleRed.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);

contentStyleRed.setDataFormat(format.getFormat("TEXT"));

contentStyleRed.setWrapText(true);

contentStyleRed.setFont(fontred);

// 头部

XSSFFont fontHead = wb.createFont();

fontHead.setFontHeightInPoints((short) 12); // 字体大小

fontHead.setFontName("Arial"); // 什么字体

fontHead.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD); // 字体加粗

headStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);

headStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);

headStyle.setDataFormat(format.getFormat("TEXT"));

headStyle.setWrapText(true);

headStyle.setFont(fontHead);

// 头部小字

XSSFFont fontHeadSmall = wb.createFont();

fontHeadSmall.setFontHeightInPoints((short) 9); // 字体大小

fontHeadSmall.setFontName("Arial"); // 什么字体

fontHeadSmall.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD); // 字体加粗

headSmallStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);

headSmallStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);

headSmallStyle.setDataFormat(format.getFormat("TEXT"));

headSmallStyle.setWrapText(true);

headSmallStyle.setFont(fontHeadSmall);

// 标题

XSSFFont fontTitle = wb.createFont();

fontTitle.setFontHeightInPoints((short) 9); // 字体大小

fontTitle.setFontName("Arial"); // 什么字体

fontTitle.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD); // 字体加粗

titleStyle.cloneStyleFrom(contentStyle);

titleStyle.setFont(fontTitle);

for (ExcelSheetUtils esu : sheets) {

String[] title = esu.getTitle();

String[] contentKey = esu.getContentKey();

String sheet = esu.getSheet();

List<Map> list = esu.getContent();

// 如果大标题不为空,那么就是第一页

if (!StringUtils.isEmpty(esu.getHeardTitle())) {

XSSFSheet st = wb.createSheet(sheet);

// 设置列宽

st.setDefaultRowHeightInPoints(17);// 这是设置整个列表的高度高

st.setDefaultColumnWidth(15);// 设置整个列表的宽度

int length = title.length;

XSSFRow hrow0 = st.createRow(0);

st.addMergedRegion(new CellRangeAddress(0, 0, 0, 5));

XSSFRow hrow1 = st.createRow(1);

XSSFCell titleCell = hrow1.createCell(0);

titleCell.setCellValue(esu.getHeardTitle());

titleCell.setCellStyle(headStyle);

// 参数说明：1：开始行 2：结束行 3：开始列 4：结束列

st.addMergedRegion(new CellRangeAddress(1, 1, 0, 5));

XSSFRow hrow2 = st.createRow(2);

XSSFCell Cell2 = hrow2.createCell(0);

Cell2.setCellValue("帐单日期: " + bgnDate + "--" + bgnDate);

Cell2.setCellStyle(headSmallStyle);

st.addMergedRegion(new CellRangeAddress(2, 2, 0, 5));

XSSFRow hrow3 = st.createRow(3);

XSSFCell title2Cell = hrow3.createCell(0);

title2Cell.setCellValue(sheet);

title2Cell.setCellStyle(headStyle);

st.addMergedRegion(new CellRangeAddress(3, 3, 0, 5));

// 基本信息值

Map dataRow = (Map) list.get(0);

List<Map> listMap = new ArrayList<>();

for (int i = 0; i < length; i = i + 2) {

Map map = new HashMap<>();

map.put("1", title[i] + ";" + contentKey[i]);

map.put("2", title[i + 1] + ";" + contentKey[i + 1]);

listMap.add(map);

}

int size2 = listMap.size();

for (int i = 0; i < size2; i++) {

Map map = listMap.get(i);

XSSFRow row = st.createRow(4 + i);

XSSFCell cell0 = row.createCell(0);

cell0.setCellStyle(contentStyle);

cell0.setCellValue(map.get("1").toString().split(";")[0]);

XSSFCell cell1 = row.createCell(1);

XSSFCell cell2 = row.createCell(2);

Object userName = dataRow.get(map.get("1").toString().split(";")[1]);

cell1.setCellStyle(contentStyle);

cell2.setCellStyle(contentStyle);

cell1.setCellValue(StringUtils.isEmpty(userName) ? "" : userName.toString());

st.addMergedRegion(new CellRangeAddress(4 + i, 4 + i, 1, 2));

XSSFCell cell3 = row.createCell(3);

cell3.setCellStyle(contentStyle);

cell3.setCellValue(map.get("2").toString().split(";")[0]);

XSSFCell cell4 = row.createCell(4);

XSSFCell cell5 = row.createCell(5);

Object account = dataRow.get(map.get("2").toString().split(";")[1]);

cell4.setCellStyle(contentStyle);

cell4.setCellValue(StringUtils.isEmpty(account) ? "" : account.toString());

cell5.setCellStyle(contentStyle);

st.addMergedRegion(new CellRangeAddress(4 + i, 4 + i, 4, 5));

}

} else if (esu.getSheet().equals("净资产") || esu.getSheet().equals("当前资产")) {

XSSFSheet st = wb.createSheet(esu.getSheet());

st.setDefaultRowHeightInPoints(15);// 这是设置整个列表的高度高

st.setDefaultColumnWidth(10);// 设置整个列表的宽度

int length = title.length;

XSSFRow hrow = st.createRow(0);

XSSFRow hrow2 = st.createRow(1);

for (int i = 0; i < length; i++) {

XSSFCell cell = hrow2.createCell(i);

cell.setCellValue(new XSSFRichTextString(title[i]));

cell.setCellStyle(titleStyle);

}

if (list != null && list.size() > 0) {

int size = list.size();

for (int i = 0; i < size; i++) {

XSSFRow row = st.createRow(i + 2);

Map dataRow = (Map) list.get(i);

for (int j = 0; j < contentKey.length; j++) {

XSSFCell cell = row.createCell(j);

Object eleData = dataRow.get(contentKey[j]);

if (StringUtils.isEmpty(eleData)) {

cell.setCellValue("");

cell.setCellStyle(contentStyle);

} else {

String value = eleData.toString();

cell.setCellValue(value);

if (value.startsWith("-")) {

cell.setCellStyle(contentStyleRed);

} else {

cell.setCellStyle(contentStyle);

}

} else if (esu.getSheet().equals("负债情况") || esu.getSheet().equals("负债明细")

|| esu.getSheet().equals("业务流水")) {

XSSFSheet st = wb.createSheet(esu.getSheet());

st.setDefaultRowHeightInPoints(15);// 这是设置整个列表的高度高

st.setDefaultColumnWidth(10);// 设置整个列表的宽度

int length = title.length;

XSSFRow hrow0 = st.createRow(0);

st.addMergedRegion(new CellRangeAddress(0, 0, 0, length - 1));

XSSFRow hrow1 = st.createRow(1);

XSSFCell Cell1 = hrow1.createCell(0);

Cell1.setCellValue(esu.getSheet());

Cell1.setCellStyle(headSmallStyle);

st.addMergedRegion(new CellRangeAddress(1, 1, 0, length - 1));

XSSFRow hrow2 = st.createRow(2);

for (int i = 0; i < length; i++) {

XSSFCell cell = hrow2.createCell(i);

cell.setCellValue(new XSSFRichTextString(title[i]));

cell.setCellStyle(titleStyle);

}

if (list != null && list.size() > 0) {

int size = list.size();

for (int i = 0; i < size; i++) {

XSSFRow row = st.createRow(i + 3);

Map dataRow = (Map) list.get(i);

for (int j = 0; j < contentKey.length; j++) {

XSSFCell cell = row.createCell(j);

Object eleData = dataRow.get(contentKey[j]);

if (StringUtils.isEmpty(eleData)) {

cell.setCellValue("");

cell.setCellStyle(contentStyle);

} else {

String value = eleData.toString();

cell.setCellValue(value);

if (value.startsWith("-")) {

cell.setCellStyle(contentStyleRed);

} else {

cell.setCellStyle(contentStyle);

}

} else if (esu.getSheet().equals("资产负债情况")) {

XSSFSheet st = wb.createSheet(esu.getSheet());

st.setDefaultRowHeightInPoints(15);// 这是设置整个列表的高度高

st.setDefaultColumnWidth(10);// 设置整个列表的宽度

int length = title.length;

XSSFRow hrow0 = st.createRow(0);

st.addMergedRegion(new CellRangeAddress(0, 0, 0, length - 1));

XSSFRow hrow1 = st.createRow(1);

XSSFCell Cell1 = hrow1.createCell(0);

Cell1.setCellValue(esu.getSheet());

Cell1.setCellStyle(headStyle);

st.addMergedRegion(new CellRangeAddress(1, 1, 0, length - 1));

XSSFRow hrow2 = st.createRow(2);

XSSFCell Cell2 = hrow2.createCell(0);

Cell2.setCellValue("1、资产情况");

Cell2.setCellStyle(headSmallStyle);

st.addMergedRegion(new CellRangeAddress(2, 2, 0, length - 1));

XSSFRow hrow3 = st.createRow(3);

XSSFCell Cell3 = hrow3.createCell(0);

Cell3.setCellValue("1.1当前资产情况");

Cell3.setCellStyle(headSmallStyle);

st.addMergedRegion(new CellRangeAddress(3, 3, 0, length - 1));

XSSFRow hrow4 = st.createRow(4);

for (int i = 0; i < length; i++) {

XSSFCell cell = hrow4.createCell(i);

cell.setCellValue(new XSSFRichTextString(title[i]));

cell.setCellStyle(titleStyle);

}

if (list != null && list.size() > 0) {

int size = list.size();

for (int i = 0; i < size; i++) {

XSSFRow row = st.createRow(i + 5);

Map dataRow = (Map) list.get(i);

for (int j = 0; j < contentKey.length; j++) {

XSSFCell cell = row.createCell(j);

Object eleData = dataRow.get(contentKey[j]);

if (StringUtils.isEmpty(eleData)) {

cell.setCellValue("");

cell.setCellStyle(contentStyle);

} else {

String value = eleData.toString();

cell.setCellValue(value);

if (value.startsWith("-")) {

cell.setCellStyle(contentStyleRed);

} else {

cell.setCellStyle(contentStyle);

}

// 创建页尾

XSSFSheet st = wb.createSheet("页尾");

st.setDefaultRowHeightInPoints(15);// 这是设置整个列表的高度高

st.setDefaultColumnWidth(100);// 设置整个列表的宽度

XSSFRow hrow = st.createRow(0);

XSSFRow hrow2 = st.createRow(1);

XSSFCell cell = hrow2.createCell(0);

cell.setCellValue(new SimpleDateFormat("制表日期:" + "yyyy年 MM月 dd日 HH点 mm分 ss秒" + " 操作员：" + orgCode)

.format(new Date()));

cell.setCellStyle(titleStyle);

return wb;

}

/**

* 将流转换成字符串使用Base64加密

* @param in输入流

* @return

* @throws IOException

public static String streamToString(InputStream inputStream) throws IOException {

byte[] bt = toByteArray(inputStream);

String out = new sun.misc.BASE64Encoder().encodeBuffer(bt);

return out;

}

/**

* summary:将流转化为字节数组

* @param inputStream

* @return

* @throws IOException

public static byte[] toByteArray(InputStream inputStream) throws IOException {

ByteArrayOutputStream out = new ByteArrayOutputStream();

byte[] buffer = new byte[1024 * 4];

byte[] result = null;

try {

int n = 0;

while ((n = inputStream.read(buffer)) != -1) {

out.write(buffer, 0, n);

}

result = out.toByteArray();

} catch (Exception e) {

e.printStackTrace();

throw new RuntimeException(e);

} finally {

if (out!=null) {

out.close();

}

return result;

}

/**

* 获取系统路径

* @param xls

* @return

public static String getFilePath(String xls) {

String path = getHeaderRealPath();

File file = new File(path);

if (!file.exists()) {

file.mkdirs();

}

return path+xls;

}

/**

* 生产文件地址

* @return

private static String getHeaderRealPath() {

SimpleDateFormat dbf=new SimpleDateFormat("yyyy-MM-dd");

String dateDZD=dbf.format(new Date())+"DZD";

SimpleDateFormat dateFormat=new SimpleDateFormat("HH");

String hh=dateFormat.format(new Date());

SimpleDateFormat dateFormatmm=new SimpleDateFormat("mm");

String mm=dateFormatmm.format(new Date());

String rootPath = PropertyUtil.getValue("NAS_ROOTPATH");

String directoryName = PropertyUtil.getValue("NAS_ID_VERIFY_IMG_DIRECTORY");

if (rootPath.endsWith(File.separator)) {

return rootPath + directoryName + System.getProperty("file.separator") +dateDZD+System.getProperty("file.separator")+ hh + System.getProperty("file.separator") + mm + System.getProperty("file.separator");

} else {

}

/**

* 读取文件

* @param url

* @return

* @throws IOException

public static String inputExcel(String url) throws IOException{

FileInputStream input=new FileInputStream(url);

String paramString = streamToString(input);

if (input != null) {

input.close();// 操作结束，关闭文件

}

return paramString;

}

/**

* 删除文件

public static void deleteFileExcels() {

SimpleDateFormat dbf=new SimpleDateFormat("yyyy-MM-dd");

String dateDZD=dbf.format(new Date())+"DZD";

String rootPath = PropertyUtil.getValue("NAS_ROOTPATH");

String directoryName = PropertyUtil.getValue("NAS_ID_VERIFY_IMG_DIRECTORY");

if (rootPath.endsWith(File.separator)) {

String url = rootPath + directoryName + System.getProperty("file.separator") +dateDZD+System.getProperty("file.separator");

deleteDirectory(url);

} else {

String url =rootPath + directoryName + System.getProperty("file.separator") +dateDZD+System.getProperty("file.separator");

deleteDirectory(url);

}

/**

* @param dir

* 被删除目录的文件路径

* @return 目录删除成功返回true,否则返回false

public static boolean deleteDirectory(String dir) {

// 如果dir不以文件分隔符结尾，自动添加文件分隔符

if (!dir.endsWith(File.separator)) {

dir = dir + File.separator;

}

File dirFile = new File(dir);

// 如果dir对应的文件不存在，或者不是一个目录，则退出

if (!dirFile.exists() || !dirFile.isDirectory()) {

System.out.println("删除目录失败" + dir + "目录不存在！");

return false;

}

boolean flag = true;

// 删除文件夹下的所有文件(包括子目录)

File[] files = dirFile.listFiles();

for (int i = 0; i < files.length; i++) {

// 删除子文件

if (files[i].isFile()) {

flag = deleteFile(files[i].getAbsolutePath());

if (!flag) {

break;

}

// 删除子目录

else {

flag = deleteDirectory(files[i].getAbsolutePath());

if (!flag) {

break;

}

if (!flag) {

System.out.println("删除目录失败");

return false;

}

// 删除当前目录

if (dirFile.delete()) {

System.out.println("删除目录" + dir + "成功！");

return true;

} else {

System.out.println("删除目录" + dir + "失败！");

return false;

}

/**

* 删除单个文件

* @param fileName

* 被删除文件的文件名

* @return 单个文件删除成功返回true,否则返回false

public static boolean deleteFile(String fileName) {

File file = new File(fileName);

if (file.isFile() && file.exists()) {

file.delete();

System.out.println("删除单个文件" + fileName + "成功！");

return true;

} else {

System.out.println("删除单个文件" + fileName + "失败！");

return false;

}

java excel通用工具类

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