java code to read pdf file

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JAVA Read PDF file

Jp.co.syspro.poo.dao.system3dao;public class Pdfexport extends Pdfpageeventhelper {public pdftemplate TPL; public Basefont BF; public void make (HttpServletRequest request, HttpServletResponse response,string id) throws exception{ArrayList F_fi Le2=system3dao.getinstance (). GetFile (ID); InputStream f_file= (inputstream) f_file2.get (0); Integer F_size=integer.parseint (F_file2.get (1). ToString ()); Response.reset (); Response.setcontenttype ("application/

The Java parsing pdf file (PDFBox, itext parsing pdf) Exports the child pictures in the PDF and removes the watermark from the PDF __java

itext5.5.11 jar itext5.5.11 jar download, itext dll, which downloads itext5.5.11 DLL packages. In fact, Java and C # are the same when using Itext. I'll give you some examples of PDF operations below. Are some examples of processing PDFs, for how to make a PDF file can go to itext website to find information. Processi

Java generated instance code for PDF file _java

Copy Code code as follows: Package com.qhdstar.java.pdf; Import Java.awt.Color;Import Java.io.FileOutputStream; Import Com.lowagie.text.Chapter;Import com.lowagie.text.Document;Import Com.lowagie.text.Font;Import Com.lowagie.text.FontFactory;Import com.lowagie.text.PageSize;Import Com.lowagie.text.Paragraph;Import com.lowagie.text.Section;Import Com.lowagie.text.pdf.PdfWriter; /*** Description:

Java code gets the first page of the PDF file as a cover thumbnail

= imageio.getimagewritersbysuffix ("JPG"); ImageWriterwriter= (ImageWriter) iter.next (); Fileoutputstreamout=newfileoutputstream (Newfile (outputFile)); nBsp;imageoutputstreamoutimage=imageio.createimageoutputstream (out); writer.setoutput (outimage); writer.write (Newiioimage (image,null,null)); }catch (exceptione) { system.out.println ( "Togeneratethumbnailofa bookfail: "+inputFile); system.out.println (e);} }publicstaticvoidmain (String[] args) {cApturepdffirstpageutil.generatebookiamge ("

Read doc, Excel, PDF, HTML, generate TXT file, read TXT to generate EXCEL file

Package Office;/*** read doc, Excel, PDF, HTML, generate TXT file, read txt, and generate EXCEL file * @ author javaalpha * @ date 2011-8-1 * @ Version V 1.0 */Import Java. io. bufferedreader; import

The Spring MVC framework accesses the files configured in the Applicationcontext.xml file in Java code (which can be used to read the configuration file contents)

)throwsbeansexception {Super. Processproperties (beanfactory, props); Propertiesmap=NewHashmap(); for(Object key:props.keySet ()) {String keystr=key.tostring (); String Valuestr=Resolveplaceholder (keystr, props, Springsystempropertiesmode); Propertiesmap.put (Keystr, VALUESTR); } } Public Staticstring GetProperty (string name) {returnpropertiesmap.get (name). toString (); } Public Staticstring GetProperty (String name,string def) {string ret=propertiesmap.get (name); if(S

C # generate a PDF file and read the TXT file content

Using system. IO;Using itextsharp. text;Using itextsharp.text.pdf;// Icsharpcode. sharpziplib. dll and itextsharp. dll must be referenced in the project.Public String txtfilepath;Public String savepdfpath; // path for saving the PDF file# Region read TXT contentPrivate string readxieyi (string filepath){String xieyi = "";Fileinfo Fi = new fileinfo (filepath );Str

Java 8 only needs one line of code to read a file

Java 8 only needs one line of code to read a fileJava 8 only needs to introduce a new file operation class java in one line of code JDK7. nio. file.

Java Learning -023-properties Class XML configuration file read and write source code

The previous properties article has described the basic usage of the Java configuration file class properties, and when viewing the Help documentation for the JDK, there are also two methods in the Properties class LoadFromXML (InputStream) and S Toretoxml (OutputStream, String, String), the XML in the method name is not difficult to determine that the two methods are r

Java file read performance optimization program code

Java InputStream are widely used when performing IO, such as datainputstream.readint and so on. In fact, these highly encapsulated interfaces are incredibly slow. I have a project startup need to read about 90MB dictionary files, with DataInputStream time consuming more than 3 seconds, swap with Java.nio Packet direct operation memory byte, can accelerate to 300ms around, a full speed 10 times times! Of cou

Java implementation txt file read, write operation instance code.

(")"));//Intercept to a numberI=integer.parseint (NUMSTR);//To calculate the number of the interceptionNewstr=i.tostring (); S=s.replaceall (Numstr, NEWSTR);//Replace the original number with the calculated numberResult.append (System.getproperty ("line.separator") +s); Sc.write (System.getproperty ("Line.separator") +s); } Else{result.append (System.getproperty ("Line.separator") +s); Sc.write (System.getproperty ("Line.separator") +s); }} br.close (); Sc.close

Java read word-excel-ppt file code _java

) { System.out.println ("has run Xlread ():" + E); } return null; } Powerpoint: Import Java.io.InputStream; Import org.apache.lucene.document.Document; Import Org.apache.poi.hslf.HSLFSlideShow; Import Org.apache.poi.hslf.model.TextRun; Import Org.apache.poi.hslf.model.Slide; Import Org.apache.poi.hslf.usermodel.SlideShow; Public Document getdocument (index index, string URL, string title, InputStream is) Throws Doccenterexception { StringBuffer content = new StringBuffer (""); try{ Slideshow SS

Java code Read file

When reading a file in Java code, it is sometimes important to keep the file in its original format (mainly to keep line wrapping). The implementation of the code is fairly straightforward.private static void ReadFile () {StringBuilder sb = new StringBuilder (); String data;

Java: how to read and write TXT file code l

The question about how to read and write TXT files in Java is often asked during the interview. Do not understand or be unfamiliar with the comrades, but remember it! Let's take a look at the specific implementation! Package common; Import java. Io .*; Import java. util. arraylist; Public class iotest { Public static v

Java implementation from TXT file read input information output QR code

colorG.clearrect (0, 0, 139, 139);G.setcolor (Color.Black); Barcode Colorif (bstr.length > 0 bstr.length Boolean[][] B = Qrcode.calqrcode (BSTR);for (int i = 0; i for (int j = 0; J if (B[j][i]) {G.fillrect (J * 3 + 2, I * 3 + 2, 3, 3);}}}}G.dispose ();Bi.flush ();String FilePath = "d:/images/" +param.substring (0,5) + ". jpg";File F = new file (FilePath);Imageio.write (BI, "JPG", f);}public static void Ma

The Java Read Properties configuration file code is as follows

The Java Read Properties configuration file code is as follows: String Path = System.getproperty ("User.dir") + "\\properties\\config.properties"; Properties Pro = new properties (); FileInputStream in = new FileInputStream (path); Pro.load (in); System.out.println (Pro.getproperty ("DriverPath")); System.

Spark1.6.2 Java Implementation read TXT file insert MySQL database code

objects for spark appsJavasparkcontext sc = new Javasparkcontext (sparkconf);SqlContext sqlcontext = new SqlContext (SC);String url = "Jdbc:mysql://192.168.31.16:3306/db?useunicode=truecharacterencoding=utf-8";String table = "Tb_user";Properties ConnectionProperties = new properties ();Connectionproperties.put ("User", "root");Connectionproperties.put ("Password", "MySQL");Connectionproperties.put ("Driver", "com.mysql.jdbc.Driver");Loading data from a databaseJavarddjavarddPrivate static final

Java Read txt/pdf/xls/xlsx/doc/docx/ppt/pptx

encoding = readfileutils.get_charset (new file);if (Encoding.equalsignorecase ("GBK")) {Return fileutils.readfiletostring (new file, "GBK");} else {Return fileutils.readfiletostring (new file, "UTF8");}}private static String get_charset (file file) throws IOException {Strin

Java file to InputStream and the new document from InputStream read and write files operation instance code

(Saxexception e) {e.printstacktrace (); catch (IOException e) {e.printstacktrace (); return ret; } } B. http://www.zuidaima.com/share/1758442014903296.htm Java reads and writes file operation instance code through InputStream 1. File to InputStream 1 Fi

Java FileFilter file filter and ReadLine read Line operation instance Code _java

Copy Code code as follows: Package Com.cjonline.foundation.evisa; Import Java.io.BufferedReader;Import Java.io.File;Import Java.io.FileFilter;Import Java.io.FileInputStream;Import java.io.IOException;Import Java.io.InputStreamReader;Import Java.math.BigDecimal; public class Test {public static void Main (string[] args) throws Exception {File filter,

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