JSP

Install JDK First, install JDK. My JDK is installed in the C drive. The JDK root directory is C:/Java/jdk5. Then configure the environment variableRight-click my computer> Properties> advanced> Environment Variables Find the path "variable"

If (skins! = NULL) { iterator it = skins. keyset (). iterator (); // key Code int I = 0; while (it. hasnext () { string key = (string) it. next (); skinentry Skin = (skinentry) skins. get (key); string skinname = Skin. getname (); string

  1. share data between different pages or usersShare data between different pages for the same user* Save the data in the session;1) Scope = "session" of JavaBean ";2) setattribute () and getattribute () of the session ();* Cookie;1) New cookie ()

Problem: What is a container? What is a JSP Container? What is the role of JSP containers? What is a JSP engine?   Analysis: These problems are the same. They all describe how JSP or servlet objects are managed or run.   Answer: First, we

Data sharing between JSP and Servlet (data transmission and data calling) (1) the most common way for JSP (PAGE) to transmit data to servlet: transmit data using form parameters or URL hyperlink parameters (previously mentioned ). (2) servlet

// JSCode // Export to excelFunction automateexcel (){VaR eltable = Document. getelementbyid ("datatable"); // the ID of the table to be exported.VaR orangeref = Document. Body. createTextRange ();Orangeref. movetoelementtext (eltable

In the MVC mode, PHP can be used to build pages directly at the view layer and HTML language mixing, You can also perform data processing and process control tasks on the Controller layer, compute data in the controller, and then pass the data to

  Many experts may not solve this problem, but I think it is still necessary for beginners to study this problem for a while, so I recorded it.   Problem description: After you add a JSP file to the eclipse program, the entire project will

I. Directive Elements1. Page commandImportSessionContenttypeBufferIstreadsafeInfoErrorpageIserrorpage2. include command3. taglib commandIi. script elements1. Declare Elements2. Expression Element3. script elements4. annotation Elements3. Standard

This article does not describe what struts is, nor do you want to introduce the magic of Struts. It only discusses how to configure struts and use struts. Learning Materials: http://struts.apache.org/2.1.6/index.html If you need to understand the

Document directory I. FCKeditor Introduction Ii. Download Iii. deployment configuration Iv. Test page I. FCKeditor Introduction FCKeditorIs a WYSIWYG text editor dedicated to open source on the web page. It is lightweight and can be used

1. Hide the field transfer value: "> 2. url transfer value:Use button A. '" Value = "Modify distributor"/> B. Set the onclick = "modifyregion ()" of input ()" Function

Link value: Button value:   Onclick = "window. Location. href = 'hello. jsp '" value = "hello"/> Click the hello Link (or button) and jump to the hello. jsp page. Pass the goodsid variable on this page and use the variable ID on the page. jsp page.

Objective: l master the basic process of client verification; l master the JSP output information; l master the basic usage of jstl. Main Content: l introduce the basic process of client verification through an instance; l introduce the basic

Literally, both of them have meanings. In terms of running results, the functions of the two are similar, but the running process of the two is quite different. the command is the compile-time syntax, that is, when compiling, copy the content of

Objective: To understand how to share the database connection code, use preparesatement, configure and use the database connection pool, and analyze the database access process, encapsulate the database access process into dbbean; l modify the user.

This article describes JSP code exceptions, Java code exceptions, you can refer to another article: http://blog.csdn.net/JavaEETeacher/archive/2007/03/19/1533754.aspx To handle possible exceptions of JSP programs, you can do so from multiple

When opening a file, the file encoding is determined by the file header.     Streamreader sr = new streamreader (@ "F:/cym/temp/1.txt ");Sr. currentencoding // return code     All regions in the world have local languages. Regional differences

Java code: Image stream generation Bufferedimage image = new bufferedimage (width, height, bufferedimage. type_int_rgb ); String vcode = drawgraphic (image );Vcode = encrypt (vcode );Cookie = new cookie (randomcodekey, vcode );Cookie. setmaxage (-1 )

In fact, I am a newbie, But I have spent a lot of time solving this problem and made a lot of detours, so I don't want everyone to be like me.In general, in order to facilitate development and code reuse, the Code connecting to the database in JSP