java code to read pdf file using itext

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 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

(")"));//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

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;

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: 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.

Conversion between Doc PDF ppt and txt:The function of a component is generally to read the file into a character format, and is not simply a conversion file name suffix, so you need to read something to write to the TXT file.Add Office ReferenceWhen you program Word and PPT

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

Recently read the contents and pictures of the PDF file with PDFBox, you can get the content and pictures of each page, but there is a problem is unable to get the picture in the location of the page. The source code is as follows: Package com.util;Import Java.awt.image.BufferedImage;Import Java.io.BufferedInputStream;

In recent days, the project needs to generate a PDF report, the online search of Java generated PDF file, there are probably two kinds, one is to use Jacob call Excel Save as PDF file, another is With the Third-party Open Source L

The following is the Java code for reading the content of several text files. The OFFICE document (WORD, EXCEL) uses the POI control, while the PDF uses the product_box control. Click here to view the related controls and configuration methods. WORD Note: If you use WPS to edit relevant documents, an error message is displayed, which should be avoided. The error

under copy re_clusterer_all.mmf to current path Execution 2_handle_mmf-mgc.pl, There is a problem that cannot match two-digit numbers, such as mgc_s11_1, which cannot be matched. Modify the regular expression to: Get, AFTERMGC_RE_CLUSTERER_SAT_ALL.MMF file (the MMF file, already on the MGC parameter, multiplied by the adaptive conversion matrix) put Experimnet/ibm-adpat-helen_

Using Java to read data in PDF files: Step 1: Download The PDFBox-0.7.2.jar. Provide one: http://pdfhome.hope.com.cn/Resource.aspx? Cid = 63844604-5253-4ae1-b023-258c9e324061 rid = 20cd8f94-1cee-40b6-a3df-0ef024f8e0d2 unzip the Lib file under the PDFBox-0.7.2.jar, PDFBox-0.

There is also a project for creating a PDF file----iText. PDFBox has two subprojects below: Fontbox is a Java class library that handles PDF fonts; Jempbox is a Java class library that handles XMP metadata. A simple example: To