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The front-end time to do the project, because we give the three-party factory MES project, which has a reporting process, need our MES to submit products to their U9 (ERP), but because U9 is UF products, written in C #, and I was written in Java, Then webservice generated code is a little more difficult, third-party companies can not precisely debug the program, resulting in my side in vain to spend half a
Recently, a friend asked me how to use Java to implement the verification code, because he was eager to use, I have used before a JSP page in the generation of a code to generate the source codes to him, for everyone's convenience, now put the source of the following, interested friends can refer to. Friends can make s
Java QR code tool class, with a LOGO in the middle, very powerful, java tool class logo
Jar package download maven configuration: Xml Code collection code
Kettle as an ETL tool. Its function is increasingly intact, has been the vast number of data mining enthusiasts favor. And because he is a Java open source project. To meet the needs of the project. It is necessary to study its source code, preferably integrated into a Java project. Used as an important part of the project execution process. So. Let's start with
public static void Main (string[] args) {final Leftrightdeadlock lock = new Leftrightdeadlock (); new Thread () {@Overridepubl IC void Run () {lock.leftright ();}}. Start (); new Thread () {@Overridepublic void run () {lock.rightleft ();}}. Start ();}} Class Leftrightdeadlock {Private Final object left = new Object ();p rivate Final Object right = new Object ();p ublic void Le Ftright () {synchronized (left) {System.out.println (' LeftRight got left L
be sent.
Finally, if you have a higher demand for image processing, you might want to focus on open source projects. For example Jmagick, you can use Jmagick to achieve image reproduction, information acquisition, bevel, special effects, combinations, resize, add borders, rotate, slice, change format, go color and so on.
PS: Some old Java code compiled under the JDK will be an error, such as this: the pa
Java Enterprise website both front and back of the source has a static template engine, code generator greatly improve the development efficiencyFront Desk: Support two sets of templates, can switch in the backgroundSystem Introduction: 1. The website backstage uses the mainstream SSM framework JSP JSTL, the website backstage uses the Freemaker static template engine to
estimated before running, obviously did not introduce the MySQL driver jar package, the modified statement is as follows:Java-cp/home/user/backup/mybatis-generator-core-1.3.2.jar:/home/user/backup/mysql-connector-java-5.1.36.jar Org.mybatis.generator.api.shellrunner-configfile Generatorconfig.xmlAfter running, successfully generated files such as Pojo, pay attention to Generatorconfig.xml file Javamodelgenerator and so on several nodes Targetproject
Java Enterprise Website source code Templates include springmvc SSM in the front and back to generate static, springmvcssm Java Enterprise Website source code has a static template engine, which greatly improves development efficiency.Click:Get address QQ 1, 313596790System
Recently because of the project needs, investigated the use of MyBatis 3.x, of course, also studied the use of generator to generate pojo,mapper and other documents by reverse engineering. Before using this tool, download the relevant jar package, and I'm using the latest Mybatis-generator-core-1.3.2.jar.
Here's a list of generatorconfig.xml:
I placed this XML file in the root of the project, followed by a similar official document:
Http://generat
= {"Times New Roman", "Book Antiqua", "Arial" }; - //randomly generate 3 to 5 verification codes the for(inti = 0; I ) { - //randomly set the font of the character of the current CaptchaWuyiG.setfont (NewFont (Fontnames[random.nextint (3)] (font.italic, height)); the //randomly get the character of the current verification code - Char
Generate a QR code image or base64 format string by passing in a string1 Public StaticString Barcode2base64 (String msg)throwsexception{2QRCode x =NewQRCode ();3 //N Represents the number, a represents a-z,b for other characters4X.setqrcodeencodemode (' B ');5 //set error correction level6X.setqrcodeerrorcorrect (' M ');7 //Set version number (1-40)8X.setqrcodeversion (7);9
The use of KeytoolThe Keytool program is provided by the JDK to generate and view certificates and keys. The KeyStore is a key container that can hold multiple key and related information.Each key is referenced by an alias aliases. You can export the key in KeyStore to a certificate file. cer. Obviously, the. cer generated with Keytoolis a certificate that is not signed by the CA.
Add a key
Keytool-genkey-alias acosta-keyalg rsa-keysize 1024-keystore
:/"); - renderer.layout (); - renderer.createpdf (os); - -}Catch(documentexception E) { - e.printstacktrace (); in}Catch(ioexception E) { - e.printstacktrace (); to}finally { + if(NULL!=OS) { - Try { the os.close (); *}Catch(ioexception E) { $ e.printstacktrace ();Panax Notoginseng } - } the } +}4, If you read the HTML code from the file, you need to use InputStream to read, do not use FileReader read, do not know why, using the FileReader read conte
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