jsp计数器制作_MySQL
计数器
计数器是一般网站必备的东东,别小看它了,每当站长看着小小计数器上的数字飞速增长的时候,感觉实在是好极了。以前我们用cgi、asp来写计数器,这方面的文章很多了,在这里,我们将会采用目前比较流行的jsp技术演示如何做一个计数器。
其中我们用到了两个文件,test.jsp文件用于在浏览器中运行,counter.java是后台的一个小java bean程序,用来读计数器的值和写入计数器的值。而对于计数器的保存,我们采用了一个文本文件lyfcount.txt。
下面是详细的程序代码(test.jsp放到web目录下,counter.java放到class目录):
//test.jsp文件

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics











When deleting or decompressing a folder on your computer, sometimes a prompt dialog box "Error 0x80004005: Unspecified Error" will pop up. How should you solve this situation? There are actually many reasons why the error code 0x80004005 is prompted, but most of them are caused by viruses. We can re-register the dll to solve the problem. Below, the editor will explain to you the experience of handling the 0x80004005 error code. Some users are prompted with error code 0X80004005 when using their computers. The 0x80004005 error is mainly caused by the computer not correctly registering certain dynamic link library files, or by a firewall that does not allow HTTPS connections between the computer and the Internet. So how about

1. Start PPT, create a new blank document, select all text boxes and delete them. 2. Execute the Insert-Shape command, drag a rectangle in the document, and fill the shape with black. 3. Drag the rectangle to elongate it, execute the Insert-Shape command, drag out the small square, and set the fill color to white. 4. Copy and paste the small squares one by one so that the top and bottom are evenly distributed on both sides of the film. After selecting them all with ctrl+a, right-click and select Group. 5. Execute the Insert-Picture command, find the picture to be inserted in the pop-up dialog box, click to open, and adjust the size and position of the picture. 6. Repeat step 5 to insert and set the remaining pictures in order to form a film picture. 7. Select the film, execute animation-add animation command

The os.Rename function is used in Go language to rename files. The syntax is: funcRename(oldpath,newpathstring)error. This function renames the file specified by oldpath to the file specified by newpath. Examples include simple renaming, moving files to different directories, and ignoring error handling. The Rename function performs an atomic operation and may only update directory entries when the two files are in the same directory. Renames may fail across volumes or while a file is in use.

Working with files in the Linux operating system requires the use of various commands and techniques that enable developers to efficiently create and execute files, code, programs, scripts, and other things. In the Linux environment, files with the extension ".a" have great importance as static libraries. These libraries play an important role in software development, allowing developers to efficiently manage and share common functionality across multiple programs. For effective software development in a Linux environment, it is crucial to understand how to create and run ".a" files. This article will introduce how to comprehensively install and configure the Linux ".a" file. Let's explore the definition, purpose, structure, and methods of creating and executing the Linux ".a" file. What is L

Title: What should I do if the lib file is missing in the Linux system? When using a Linux system, sometimes you encounter missing lib files, which may cause the program to fail to run properly. This article describes some ways to solve this problem and provides specific code examples. 1. Error prompts: When the program is running in the Linux system, if the necessary dynamic link library (lib) is missing, a prompt similar to the following will appear: errorwhileloadingsharedlibrari

When making PPT, using some animation effects will make it more lively and cute than without using animation effects. With the addition of animation effects, people may like to watch this PPT, so we must learn how to create animation effects for PPT. Next, I will introduce in detail how to add animation effects to PPT. Please continue reading and study these steps carefully. I believe they will be helpful to you! First, open the PPT we made ourselves. You will notice that this PPT currently does not have any animation effects (as shown by the red arrow in the picture below). 2. Then, we need to add animation effects to the picture. We first select the picture, and then click the [Animation] button on the menu bar (as shown in the red circle in the figure below). 3. Next, we click inside the animation

A graduation thesis must have a cover, a table of contents, an end, etc. Only then can the thesis be complete. In the last issue, the editor has shared with friends how to make a table of contents in Word. In this issue, I will share with you how to make a word cover. If you don’t know how to make it, hurry up! 1. First, we open the word document we want to make a cover, as shown in the figure below: 2. Then, we click the [Chapter] button on the menu bar and select the cover page. This function is equivalent to a cover library, in which you can Choose a suitable and beautiful cover by yourself, as shown in the red circle in the picture below: 3. After clicking, you can see various types of covers, such as business type, suitable for company contracts and documents; resume type, suitable for job hunting and submission of resumes Friends, wait, okay?

To facilitate users to access files, Linux provides a mechanism called connections. A connection can associate a file or directory with another file or directory, achieving the effect of multiple paths pointing to the same file or directory. In Linux systems, connections are mainly divided into two types: hard links and soft links. Through hard links, multiple file names can point to the same index node, which means that no matter which file name is modified, its content will be updated simultaneously. A soft link is a symbolic link to a target file that allows the creation of a shortcut to another file. There are some differences between soft links and hard links, such as hard links cannot cross file systems, while soft links can. Therefore, when using connections, you need to choose the appropriate type based on specific needs. Pass
