package com.product.lucene.util;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.List;
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import org.apache.poi.hssf.usermodel.HSSFCell;
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import org.apache.poi.hssf.usermodel.HSSFRow;
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import org.apache.poi.hssf.usermodel.HSSFSheet;
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import org.apache.poi.hssf.usermodel.HSSFWorkbook;
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import org.apache.poi.hwpf.HWPFDocument;
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import org.apache.poi.hwpf.usermodel.Range;
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import org.apache.poi.ss.usermodel.CellType;
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import org.apache.poi.xssf.usermodel.XSSFCell;
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import org.apache.poi.xssf.usermodel.XSSFRow;
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import org.apache.poi.xssf.usermodel.XSSFSheet;
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import org.apache.poi.xssf.usermodel.XSSFWorkbook;
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import org.apache.poi.xwpf.usermodel.XWPFDocument;
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import org.apache.poi.xwpf.usermodel.XWPFParagraph;
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import org.apache.poi.xwpf.usermodel.XWPFTable;
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import org.apache.poi.xwpf.usermodel.XWPFTableCell;
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import org.apache.poi.xwpf.usermodel.XWPFTableRow;
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public class FileUtils {
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/**
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* 文件转string
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*
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* @param file
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* @return
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*/
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public static String FileToString(File file) {
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String file_content = "";
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if ((file != null) && (file.isFile())) {
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if (file.getName().toLowerCase().endsWith(".txt")) {
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file_content = txtToString(file);
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} else if ((file.getName().toLowerCase().endsWith(".doc"))) {
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file_content = docToString(file);
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} else if ((file.getName().toLowerCase().endsWith(".docx"))) {
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file_content = docxToString(file);
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} else if (file.getName().toLowerCase().endsWith(".xls")) {
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file_content = readXls(file);
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} else if (file.getName().toLowerCase().endsWith(".xlsx")) {
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file_content = readXlsx(file);
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}
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}
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return file_content;
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}
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/**
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* txt文件读取
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*
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* @param file
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* @return
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*/
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public static String txtToString(File file) {
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String result = "";
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try (BufferedReader br = new BufferedReader(new FileReader(file))) {// 构造一个BufferedReader类来读取文件
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String s = null;
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// 使用readLine方法，一次读一行
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while ((s = br.readLine()) != null) {
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result = result + "\n" + s;
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return result;
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}
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/**
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* doc转文本
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*
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* @param file
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* @return
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*/
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public static String docToString(File file) {
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String result = "";
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try (
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FileInputStream fileInputStream = new FileInputStream(file);
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HWPFDocument doc = new HWPFDocument(fileInputStream);
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) {
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Range rang = doc.getRange();
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result += rang.text();
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} catch (Exception e) {
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e.printStackTrace();
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}
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return result;
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}
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/**
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* docx转文本
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*
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* @param file
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* @return
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* @throws IOException
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*/
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public static String docxToString(File file) {
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StringBuffer s = new StringBuffer();
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try (
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InputStream inputStream = new FileInputStream(file);
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XWPFDocument doc = new XWPFDocument(inputStream);
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) {
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List<XWPFParagraph> paras = doc.getParagraphs();
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for (XWPFParagraph para : paras) {
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// 当前段落的属性
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// CTPPr pr = para.getCTP().getPPr();
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s.append(para.getText());
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}
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// 获取文档中所有的表格
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List<XWPFTable> tables = doc.getTables();
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List<XWPFTableRow> rows;
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List<XWPFTableCell> cells;
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for (XWPFTable table : tables) {
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// 表格属性
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// CTTblPr pr = table.getCTTbl().getTblPr();
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// 获取表格对应的行
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rows = table.getRows();
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for (XWPFTableRow row : rows) {
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// 获取行对应的单元格
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cells = row.getTableCells();
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for (XWPFTableCell cell : cells) {
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s.append(cell.getText());
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}
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return s.toString();
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}
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/**
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* `xls转字符
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*
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* @param file
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* @return
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* @throws IOException
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*/
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public static String readXls(File file) {
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StringBuffer info = new StringBuffer();
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try (
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InputStream inputStream = new FileInputStream(file);
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HSSFWorkbook hssfWorkbook = new HSSFWorkbook(inputStream);
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) {
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// Read the Sheet
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for (int numSheet = 0; numSheet < hssfWorkbook.getNumberOfSheets(); numSheet++) {
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HSSFSheet hssfSheet = hssfWorkbook.getSheetAt(numSheet);
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if (hssfSheet == null) {
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continue;
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}
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// Read the Row
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for (int rowNum = 0; rowNum <= hssfSheet.getLastRowNum(); rowNum++) {
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HSSFRow hssfRow = hssfSheet.getRow(rowNum);
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if (hssfRow != null) {
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int cols = hssfRow.getLastCellNum();
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for (int j = 0; j <= cols; j++) {
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HSSFCell no = hssfRow.getCell(j);
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info.append(getValue(no)).append(" ");
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}
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}
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return info.toString();
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}
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/**
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* xlsx转字符
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*
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* @param file
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* @return
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* @throws IOException
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*/
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public static String readXlsx(File file) {
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StringBuffer info = new StringBuffer();
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try (
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InputStream is = new FileInputStream(file);
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XSSFWorkbook xssfWorkbook = new XSSFWorkbook(is);
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) {
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for (int numSheet = 0; numSheet < xssfWorkbook.getNumberOfSheets(); numSheet++) {
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XSSFSheet xssfSheet = xssfWorkbook.getSheetAt(numSheet);
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if (xssfSheet == null) {
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continue;
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}
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// Read the Row
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for (int rowNum = 0; rowNum <= xssfSheet.getLastRowNum(); rowNum++) {
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XSSFRow xssfRow = xssfSheet.getRow(rowNum);
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if (xssfRow != null) {
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int tdLength = xssfRow.getLastCellNum();
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for (int j = 0; j <= tdLength; j++) {
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XSSFCell no = xssfRow.getCell(j);
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info.append(getValue(no)).append(" ");
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}
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}
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return info.toString();
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}
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/**
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* 获取xls单元格值
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*
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* @param hssfCell
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* @return
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*/
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private static String getValue(HSSFCell hssfCell) {
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if (hssfCell == null)
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return "";
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CellType cellType = hssfCell.getCellType();
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if (CellType.BOOLEAN.equals(cellType)) {
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return String.valueOf(hssfCell.getBooleanCellValue());
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} else if (CellType.NUMERIC.equals(cellType)) {
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return String.valueOf(hssfCell.getNumericCellValue());
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} else {
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return String.valueOf(hssfCell.getStringCellValue());
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}
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}
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/**
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* 获取xlxs单元格值
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*
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* @param xssfRow
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* @return
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*/
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private static String getValue(XSSFCell xssfRow) {
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if (xssfRow == null)
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return "";
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CellType cellType = xssfRow.getCellType();
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if (CellType.BOOLEAN.equals(cellType)) {
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return String.valueOf(xssfRow.getBooleanCellValue());
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} else if (CellType.NUMERIC.equals(cellType)) {
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return String.valueOf(xssfRow.getNumericCellValue());
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} else {
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return String.valueOf(xssfRow.getStringCellValue());
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}
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}
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public static void main(String[] args) {
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File f1 = new File("D://ceshi/a.txt");
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File f2 = new File("D://ceshi/b.doc");
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File f3 = new File("D://ceshi/c.docx");
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File f4 = new File("D://ceshi/d.xls");
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File f5 = new File("D://ceshi/e.xlsx");
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System.out.println(txtToString(f1));
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System.out.println("+++++++++++++++++++++++++++++++++++++++++++");
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System.out.println(docToString(f2));
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System.out.println("+++++++++++++++++++++++++++++++++++++++++++");
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System.out.println(docxToString(f3));
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System.out.println("+++++++++++++++++++++++++++++++++++++++++++");
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System.out.println(readXls(f4));
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System.out.println("+++++++++++++++++++++++++++++++++++++++++++");
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System.out.println(readXlsx(f5));
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}
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}
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