java读取各类型的文件。

朴灿烈づ我的快乐病毒、 2024-02-18 15:03 40阅读 0赞

**用到以下几个包。**

bcmail-jdk14-132.jar

bcprov-jdk14-132.jar

checkstyle-all-4.2.jar

FontBox-0.1.0-dev.jar

lucene-core-2.0.0.jar

PDFBox-0.7.3.jar

poi-3.0-alpha3-20061212.jar

poi-contrib-3.0-alpha3-20061212.jar

poi-scratchpad-3.0-alpha3-20061212.jar

**代码示例：**

import java.io.BufferedReader;  
import java.io.FileInputStream;  
import java.io.FileReader;  
import java.io.IOException;  
import org.apache.poi.hslf.HSLFSlideShow;  
import org.apache.poi.hslf.model.Slide;  
import org.apache.poi.hslf.model.TextRun;  
import org.apache.poi.hslf.usermodel.SlideShow;  
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;  
import org.apache.poi.hwpf.HWPFDocument;  
import org.apache.poi.hwpf.usermodel.Paragraph;  
import org.apache.poi.hwpf.usermodel.Range;  
import org.pdfbox.pdfparser.PDFParser;  
import org.pdfbox.util.PDFTextStripper;

public class Test \{

/\*\*  
\* @param args  
\*/  
public static void p(Object obj) \{  
System.out.println(obj);  
\}

public static void main(String\[\] args) \{

try \{  
p(readPpt("src/1.dps"));  
\} catch (Exception e) \{  
e.printStackTrace();  
\}

\}  
**//读取ppt**  
public static String readPpt(String path) throws Exception \{

StringBuffer content = new StringBuffer("");  
try \{  
SlideShow ss = new SlideShow(new HSLFSlideShow(path));// path为文件的全路径名称，建立SlideShow  
Slide\[\] slides = ss.getSlides();// 获得每一张幻灯片  
for (int i = 0; i < slides.length; i++) \{  
TextRun\[\] t = slides\[i\].getTextRuns();// 为了取得幻灯片的文字内容，建立TextRun  
for (int j = 0; j < t.length; j++) \{  
content.append(t\[j\].getText());// 这里会将文字内容加到content中去  
\}  
content.append(slides\[i\].getTitle());  
\}  
\} catch (Exception ex) \{  
System.out.println(ex.toString());  
\}  
return content.toString().trim();

\}  
**// 读取xls**  
public static String readXls(String path) throws Exception \{  
StringBuffer content = new StringBuffer("");// 文档内容  
HSSFWorkbook workbook = new HSSFWorkbook(new FileInputStream(path));  
int sheetCount = workbook.getNumberOfSheets();// excel几张表  
for (int i = 0; i < sheetCount; i++) \{// 遍历excel表  
HSSFSheet sheet = workbook.getSheetAt(i);// 对excel的第一个表引用  
int rowCount = sheet.getLastRowNum();// 取得最后一行的下标  
for (int j = 0; j < rowCount; j++) \{// 循环每一行  
HSSFRow row = sheet.getRow(j);// 引用行  
if (row == null) \{  
continue;  
\} else \{  
short cellNum = row.getLastCellNum();  
for (short m = 0; m < cellNum; m++) \{  
HSSFCell cell = row.getCell(m);// 引用行中的一个单元格  
if (cell != null) \{  
int cellType = cell.getCellType();  
// CELL\_TYPE\_NUMERIC 0 数字  
// CELL\_TYPE\_STRING 1 字符串  
// CELL\_TYPE\_FORMULA 2 公式  
// CELL\_TYPE\_BLANK 3 空格  
// CELL\_TYPE\_BOOLEAN 4 布尔值  
// CELL\_TYPE\_ERROR 5 错误  
switch (cellType) \{  
// 单元格类型为数字  
case HSSFCell.CELL\_TYPE\_NUMERIC:  
// 取数字单元格的值  
double d = cell.getNumericCellValue();  
content.append(String.valueOf(d) + " ");  
break;  
// 单元格类型为字符串  
case HSSFCell.CELL\_TYPE\_STRING:  
String str = cell.getStringCellValue().trim();  
if (!"".equals(str)) \{  
content.append(str + " ");  
\}  
break;  
// 单元格类型为公式  
case HSSFCell.CELL\_TYPE\_FORMULA:  
// 不读取公式  
// String formula = cell.getCellFormula();  
// content = content + formula+" ";  
break;  
// 单元格类型为空白  
case HSSFCell.CELL\_TYPE\_BLANK:  
break;  
// 单元格类型为布尔值  
case HSSFCell.CELL\_TYPE\_BOOLEAN:  
// boolean bool = cell.getBooleanCellValue();  
// content = content + bool+" ";  
break;  
// 单元格类型为错误  
case HSSFCell.CELL\_TYPE\_ERROR:  
// byte errorCode = cell.getErrorCellValue();  
// content = content + errorCode+" ";  
break;  
default:  
break;  
\}  
\} else \{  
// content = content + "..." +" ";//没有数据的单元格使用...填充  
\}  
\}  
\}  
content.append("\\r");  
\}  
\}  
return content.toString().trim();  
\}

**// 读取pdf**  
public static String readPdf(String path) throws Exception \{  
StringBuffer content = new StringBuffer("");// 文档内容  
FileInputStream fis = new FileInputStream(path);  
PDFParser p = new PDFParser(fis);  
p.parse();  
PDFTextStripper ts = new PDFTextStripper();  
content.append(ts.getText(p.getPDDocument()));  
fis.close();  
return content.toString().trim();  
\}

**// 读取word,只能读取文本内容 图片不行**  
public static String readWord(String path) throws Exception \{

StringBuffer content = new StringBuffer("");// 文档内容  
HWPFDocument doc = new HWPFDocument(new FileInputStream(path));  
Range range = doc.getRange();  
int paragraphCount = range.numParagraphs();// 段落  
for (int i = 0; i < paragraphCount; i++) \{// 遍历段落读取数据  
Paragraph pp = range.getParagraph(i);  
content.append(pp.text());  
\}  
return content.toString().trim();  
\}

**// 读取text**  
public static String readTxt(String path) \{  
StringBuffer content = new StringBuffer("");// 文档内容  
try \{  
FileReader reader = new FileReader(path);  
BufferedReader br = new BufferedReader(reader);  
String s1 = null;

while ((s1 = br.readLine()) != null) \{  
content.append(s1 + "\\r");  
\}  
br.close();  
reader.close();  
\} catch (IOException e) \{  
e.printStackTrace();  
\}  
return content.toString().trim();  
\}

转载：[http://www.cnblogs.com/candl/p/3592649.html][http_www.cnblogs.com_candl_p_3592649.html]

[http_www.cnblogs.com_candl_p_3592649.html]: http://www.cnblogs.com/candl/p/3592649.html