Ten flexible technologies for connecting to Oracle through JDBC

Java database connection (JDBC) APIs are a series of interfaces that allow Java programmers to access databases. Different developers have different interfaces. After using JDBC from Oracle (a large website database platform) for many years, I have

JSP and JSF are combined to create a perfect Web application

Java has gradually warmed up in recent years. With the introduction of Java SE 5 and Java SE 6, the future of Java is even more brilliant. However, Java-based jsp (the preferred choice for SUN enterprise-level applications) has never been lifted

Jsp & amp; Servelet Study Notes (1)

1.1 write a servelet Program1.2 write a jsp (preferred for SUN Enterprise Applications) Program1.3 compile a Servlet Program1.4 Package A Servlets and jsp (preferred for SUN Enterprise Applications) s program1.5 build a deployment descriptor.  1.1

Jsp code for generating thumbnails

Java. io. File file = new java. io. File (saveurl); // read the uploaded FileString newurl = request. getRealPath ("/") url "min _" filename "." ext; // new thumbnail storage addressImage src = javax. imageio. ImageIO. read (file); // construct an

Summary of JSP and Oracle database connection problems

I have been using ORACLE9i, oracle8 for a long time. I have written the issues that need attention in JSP for your reference only.I. How to deal with large types of Clob and BLOBCLOB can be used to store enlarged text data and store up to 4 GB of

JSP expressions, scripts, and declarations

JSP script ElementJSP script elements can be used to embed Java code into JSP pages. These Java code will appear in the Servlet generated by the current JSP page, so that JSP can separate static content from dynamic content. Script elements include:1

Use jspsmartupload for upload and download

This is for upload Import java. SQL .*;Import java. io .*;Import java. util .*;Import javax. servlet .*;Import javax. servlet. http .*;Import com. jsp (preferred for SUN Enterprise Applications) smart. upload .*; Public class UpLoad extends

Efficient and simple jsp Paging

ArticleList & nbsp; title author type click join time Int I;Int ipage = 5; // page unitInt allpage; // the total number of pages.Int pages; // The accepted page number variable.Int cpage = 1; // current pageInt spage; // start

Introduction to custom JSP tags

Due to version changes, this article may not be universal.   Read this article firstSunAnd it is best to practice it. Http://java.sun.com/developer/technicalArticles/xml (standardization is getting closer and closer)/WebAppDev3/ And knowJ2EE

JSP script elements, commands, and predefined Variables

12.1 jsp (preferred for SUN Enterprise Applications) script elementsJsp (preferred for SUN Enterprise Applications) script elements are used to insert Java code, which will appear in the Servlet generated by the current jsp (preferred for SUN

Experience in using cookies for jsp development websites

When developing website applications, use cookies to record users' emailsInformation is a commonly used method, and the use of cookies is also very simple.. If we want to get the cookie value in the jsp (preferred for SUN Enterprise Applications)

JSP-essential syntax for beginners

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A JSP Element1. pseudoinstructions2. StatementScripletExpression3. NotesJSP comment ServerHTML client visibility4. JSP Behavior4.1 declare a javabean instance4.2 set one or more bean property values4.3 return the attribute value specified by bean4

Use JSP to control file downloads

Meng xianhui's big blog Web developers have such questions: how to send a file, especially a known type of file, to the client and directly prompt the viewer to download, instead of opening it with a program associated with it. In the past, the most

HTTP authentication method in jsp

Recently I have studied HTTP Authentication in jsp (the preferred choice for SUN enterprise-level applications). It works as follows: 1. the server sends a request for authentication code 401 and a header message WWW-authenticate, and an

Jsp Connection database oracle

Create table test (test1 varchar (20), test2 varchar (20)Write a test record to the table.Now let's start our jsp (first choice for SUN Enterprise applications) and database journey.TestOracle (large website database platform). jsp (preferred for

A new programming idea (below): With Automatic paging 2-1 ntPage. jsp

NtPage. jsp (preferred for SUN Enterprise applications) ------------------------------------------------------------------- Int PAGESIZE = 10;Int old_PAGESIZE = PAGESIZE;Int curPage = 1;Int pageCount = 0;Int iStart = 0;Int iCount = 0;Int

JSP implementation tree structure (6)-contains the connectinDB. jsp file & orgConnInclude

// ConnectionDB. jsp (preferred for SUN Enterprise applications) Connection conn = null;Try {Class. forName ("Oracle (large website database platform). jdbc. driver. Oracle (large website database platform) Driver ");String url = "jdbc: Oracle

In jsp, use js to generate dynamic database-related secondary linkage drop-down boxes

Add background products select a level-1 category: & Lt; td width = "320" & gt; select a level-1 Category Rs = Conn.exe cuteQuery ("select * from ego_bigsort order by Bid ");While (rs. next ()){String Bname = new String (rs. getString ("Bname").

JSP built-in object (1)

Today I learnedJsp (preferred for SUN Enterprise applications). What is an object?In object-oriented programming, an object is a variable composed of operations and data as a complete object. Objects are based on specific models. In objects,

New technology to replace JSP-tapestry [transferred from java-cn]

In today's web development, there are more and more java-based applications. Among them, servlet plays a very important role. This series of articles will introduce some tools to assist in servlet development, so that you can choose from a variety

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