Author: LuckEmail: webmaster@chinaspx.comWhen designing JSP projects, the current methodology provides more limits rather than help. According to Mr. Kochmer, the key to successfully running a JSP project is project management rather than
I often encounter problems in caching when the operation department personnel need to clear the cache. It is not a solution to solve problems in front of the computer. I tried to access a jsp page to automatically clear the cache.
String path =
1. Configure the Web. xml file for the Structs ApplicationStep 1: Configure ActionServlet
action org.appache. structs.ActionServlet action *.do
Note: No matter how many sub-applications are included
I. JSP Elements
1. script elements, including expressions, program code snippets (including built-in classes), declarations (member variables and methods), comments (output and hidden)
2. Command elements, including page (language, extends, import,
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
Title: Common display modes for JSP page queriesAuthor: evanEmail: evan_zhao@hotmail.comBackground:1. List the database query results in JSP2. In a good J2EE mode, database queries are generally implemented using DAO (Data Access Object). JSP is
1. www.tuckey.org/urlrewrite/ download the URL Rewrite JAR package
2. Copy the jar package to the project WEB-INF/web. xml
3. Configure URL Rewrite in web. xml. The Code is as follows:
UrlRewriteFilter
1. The POST submission form is garbled.
The common situation is that the page is normal, but the newly inserted data is garbled.
In this case, it is because the submitted data is garbled after receiving by the program, and the garbled code is
If else is used in most programming languages in this way. Today we will briefly introduce the if else and multi-condition judgment in the jsp tutorial.
Using the if Statement
Using the if Statement Int value = 10;
If (value> 0)Out. println
I. Description
Using proficiency, proficiency, familiarity, and understanding in this article marks your mastery of a technology.
Proficient: 85% or more technical points of the technology, more than two years of use of the technology, and the use
This article describes some very practical methods to adjust JSP and servlet. It can make your servlet and JSP page response faster and more scalable. In addition, when the number of users increases, the system load will show a smooth and long trend.
When writing JSP programs, you may often encounter Chinese character processing problems. When you accept Chinese characters in the request, a garbled string is displayed. There is a basket of online processing methods. The following describes two
Currently, you can pass Chinese parameters on the jsp page in either of the following ways:
URL, for example, http: // website/test1.jsp? Act = add & type = Orange & param = % 20D % 20BFORM method, for example:In the following two cases, we will
'*************************************** *'How can we prevent webpage content from being collected by others and illegally access your website?'*************************************** *Dim onlyURL, from '*** specifies the source URL...OnlyURL =
There are three methods to prevent repeated online statistics: 1. Use Database records 2. Use ServletContext-type application 3. Use session.The first approach is relatively simple, but it will cause a burden on the database. The second approach has
EnableHighAccuracy, // boolean whether high-precision geographic information is requiredTimeout, // timeout limit for getting informationMaximumAge // The cache time for geographic information}
There are about three redirect Methods Using JSP:1. response. sendRedirect ();2. response. setHeader ("Location ","");3. The following rules are obtained after testing:I. response. sendRedirect ()No out. flush () is allowed before this statement. If
If you have used VB To Write File Upload components, it is very easy to use JAVA to Write File Upload JAVABEAN.
The following example is a simplified version.
Package yuanyifileup;
Import java. io .*;
Import java. util .*;
Import javax. servlet .*;
The first is a specific class inherited from javax. mail. Authenticator. The getPasswordAuthentication () method is to construct a PasswordAuthentication object and return it. It is a bit confusing with the design intent such as JAVA Mail, which may
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