[转]JAVA读取WORD,EXCEL,PDF,TXT,RTF,HTML文件文本内容的方法示例 -- 风信Java论坛 -- Powered by JavaWind.Net

运行复制保存 java代码

package textReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import org.apache.poi.hwpf.extractor.WordExtractor;
public class WordReader {
public WordReader() {
}
/**
* @param filePath
* 文件路径
* @return 读出的Word的内容
*/
public String getTextFromWord(String filePath) {
String result = null;
File file = new File(filePath);
try {
FileInputStream fis = new FileInputStream(file);
WordExtractor wordExtractor = new WordExtractor(fis);
result = wordExtractor.getText();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
;
return result;
}
}

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package textReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
public class ExcelReader {
/*
* @param filePath 文件路径
*
* @return 读出的Excel的内容
*/
public String getTextFromExcel(String filePath) {
StringBuffer buff = new StringBuffer();
try {
// 创建对Excel工作簿文件的引用
HSSFWorkbook wb = new HSSFWorkbook(new FileInputStream(filePath));
// 创建对工作表的引用。
for (int numSheets = 0; numSheets < wb.getNumberOfSheets(); numSheets++) {
if (null != wb.getSheetAt(numSheets)) {
HSSFSheet aSheet = wb.getSheetAt(numSheets);// 获得一个sheet
for (int rowNumOfSheet = 0; rowNumOfSheet <= aSheet.getLastRowNum(); rowNumOfSheet++) {
if (null != aSheet.getRow(rowNumOfSheet)) {
HSSFRow aRow = aSheet.getRow(rowNumOfSheet); // 获得一个行
for (int cellNumOfRow = 0; cellNumOfRow <= aRow
.getLastCellNum(); cellNumOfRow++) {
if (null != aRow.getCell(cellNumOfRow)) {
HSSFCell aCell = aRow.getCell(cellNumOfRow);// 获得列值
switch (aCell.getCellType()) {
case HSSFCell.CELL_TYPE_FORMULA:
break;
case HSSFCell.CELL_TYPE_NUMERIC:
buff.append(aCell.getNumericCellValue()).append('\t');
break;
case HSSFCell.CELL_TYPE_STRING:
buff.append(aCell.getStringCellValue()).append('\t');
break;
}
}
}
buff.append('\n');
}
}
}
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return buff.toString();
}
}

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package textReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import org.pdfbox.pdfparser.PDFParser;
import org.pdfbox.pdmodel.PDDocument;
import org.pdfbox.util.PDFTextStripper;
public class PdfReader {
public PdfReader() {
}
/**
* @param filePath
* 文件路径
* @return 读出的pdf的内容
*/
public String getTextFromPdf(String filePath) {
String result = null;
FileInputStream is = null;
PDDocument document = null;
try {
is = new FileInputStream(filePath);
PDFParser parser = new PDFParser(is);
parser.parse();
document = parser.getPDDocument();
PDFTextStripper stripper = new PDFTextStripper();
result = stripper.getText(document);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (is != null) {
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if (document != null) {
try {
document.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return result;
}
}

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package textReader;
import java.io.BufferedReader;
import java.io.FileReader;
public class TxtReader {
public TxtReader() {
}
/**
* @param filePath
* 文件路径
* @return 读出的txt的内容
*/
public String getTextFromTxt(String filePath) throws Exception {
FileReader fr = new FileReader(filePath);
BufferedReader br = new BufferedReader(fr);
StringBuffer buff = new StringBuffer();
String temp = null;
while ((temp = br.readLine()) != null) {
buff.append(temp + "\r\n");
}
br.close();
return buff.toString();
}
}

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package textReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.swing.text.BadLocationException;
import javax.swing.text.DefaultStyledDocument;
import javax.swing.text.rtf.RTFEditorKit;
public class RtfReader {
public RtfReader() {
}
/**
* @param filePath
* 文件路径
* @return 读出的rtf的内容
*/
public String getTextFromRtf(String filePath) {
String result = null;
File file = new File(filePath);
try {
DefaultStyledDocument styledDoc = new DefaultStyledDocument();
InputStream is = new FileInputStream(file);
new RTFEditorKit().read(is, styledDoc, 0);
result = new String(styledDoc.getText(0, styledDoc.getLength())
.getBytes("ISO8859_1"));
// 提取文本，读取中文需要使用ISO8859_1编码，否则会出现乱码
} catch (IOException e) {
e.printStackTrace();
} catch (BadLocationException e) {
e.printStackTrace();
}
return result;
}
}

运行复制保存 java代码

package textReader;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
public class HtmlReader {
public HtmlReader() {
}
/**
* @param filePath
* 文件路径
* @return 获得html的全部内容
*/
public String readHtml(String filePath) {
BufferedReader br = null;
StringBuffer sb = new StringBuffer();
try {
br = new BufferedReader(new InputStreamReader(new FileInputStream(
filePath), "GB2312"));
String temp = null;
while ((temp = br.readLine()) != null) {
sb.append(temp);
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return sb.toString();
}
/**
* @param filePath
* 文件路径
* @return 获得的html文本内容
*/
public String getTextFromHtml(String filePath) {
// 得到body标签中的内容
String str = readHtml(filePath);
StringBuffer buff = new StringBuffer();
int maxindex = str.length() - 1;
int begin = 0;
int end;
// 截取>和<之间的内容
while ((begin = str.indexOf('>', begin)) < maxindex) {
end = str.indexOf('<', begin);
if (end - begin > 1) {
buff.append(str.substring(++begin, end));
}
begin = end + 1;
}
;
return buff.toString();
}
}