E-commerce websites made with JSP are like a haomu. But can JSP websites be securely secured? In the face of endless hacker and virus attacks, can JSP website servers be more secure than those of other websites? Some time ago, at the invitation of a
Method 1: the simplest and most commonly used method
Or here, you can use gb2312 or gbk, which is only a string of many characters supported by gbk than gb2312.
This method is used to display Chinese characters on the jsp
DocumentStruts2 provides a repeat commit check mechanism, but what I want is not to bring up an error page, but to execute only one commit as nothing happens.
1. Set a variable and a variable, which can only be submitted once.
Reference
Setting Java JDK environment variables in Winxp
: JDK 6.0 Java Development Kit Development environment package
Install and configure j2sdk:Run the j2sdk installation program and customize the path. My installation path is: C: \ j2sdk1.4.2 _
1. Introduction to JSTL Introduction: in JSP and javaBean, when we use loops on the Web page or use object methods to connect to the database, we need to use jsp script elements inevitably, there is a lot of java code embedded in it. Now developers
First, you need to write a hyperlink somewhere on your login page:Copy codeThe Code is as follows: exit Link it to the exit. jsp page, and then create a new exit. jsp page and write the following code in its body:Copy codeThe Code is as follows:
GetRemoteAddr (): obtains the IP address of the client.GetRemoteHost (): obtains the name of the client computer. If the name fails, the IP address of the client computer is returned.InetAddress ia = InetAddress. getLocalHost ();String iad = ia.
Copy codeThe Code is as follows:Con. setAutoCommit (true); // if it is set to true, executeUpdate is executed immediately.SQL = "insert into table1 (lable1) values ('001 ')";Rs = stmt.exe cuteUpdate (SQL );SQL = "insert into table2 (lable2) values ('
[Previous]I often see people asking questions about request. getSession (false) on the Internet. I am also confused for the first time. I read J2EE1.3 API and how it is explained on the official website.[Official explanation]GetSessionPublic
Copy codeThe Code is as follows:NodeList body_nodes = this. getParser (). parse (body_filter );For (int I = 0; I {Node node = body_nodes.elementAt (I );Parser body_parser = new Parser (node. toHtml ());TextExtractingVisitor visitor = new
1. Create a VM for the old domain name under tomcatThe homepage is index. jsp, And the 404 error page is unfind. jsp.301 redirection on the home page, facilitating Search Engine OptimizationResponse. setStatus (301 );Response. setHeader ("Location",
By using COM technology, we can use Microsoft Office applications to build many Application Extensions, however, Java developers cannot enjoy the convenience it brings-unless they have a convenient Java ACCESS to COM (Java-to-COM Bridge ). When
// Convert a string to a time type (the string can be of any type, as long as it is consistent with the format in SimpleDateFormat)Java. text. SimpleDateFormat sdf = new java. text. SimpleDateFormat ("M/dd/yyyy hh: mm: ss a", java. util. Locale. US )
Currently, the entire development community is focusing on AOP (Aspect Oriented Programing), and a large number of excellent frameworks that support AOP, such as Spring, JAC, and Jboss AOP, have emerged. AOP seems to be a trend for a while. Java
JavaServer Pages (JSP) is a Java-based cross-platform web development language.JSP is compatible with Microsoft's Active Server Pages, but it uses HTML-like volumes and Java code segments instead of VBScript. When your website server does not
1. RequestDispatcher. forward ()When forward () is used on the server, the Servlet engine transmits the HTTP request from the current Servlet or JSP to another Servlet, JSP, or common HTML file, that is, your form is submitted to. jsp, in. jsp uses
For example:Copy codeThe Code is as follows:HibernateTest. javaImport onlyfun. caterpillar .*;Import net. sf. hibernate .*;Import net. sf. hibernate. cfg .*;Import java. util .*;Public class HibernateTest {Public static void main (String [] args)
C # WEB SERVICEhttp: // www.jb51.net/article/16768.htm returned in JSON formatHere I use axis to create a class package. First download the axis compressed package, decompress it, and put axis under webapp. If it can be run, it will be OK.C # Can I
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