Java Web Security Control

 Objectives:L master the general process after logon;L added security control for each page;L ability to share verification code;L use the filter to verify the permission;L ability to verify the local content of the file;L master the basic

What are the built-in jsp objects?

1. request objectThis object encapsulates the information submitted by the user. by calling the response method of this object, you can obtain the information submitted by the user.When the request object obtains the Chinese characters submitted by

Solve the Problem of assembling data as XML in JSP

I. application background JSP obtains the List of requests placed in the Servlet and assembles the data in the List into XML. The following code is displayed as xml in Eclipse's built-in browser. [Java]/*** News Servlet* @ Author Xu Yue**/Public

Error page setting in jsp

1. Set errorPage: errorPage. jsp % @ PageIsErrorPage = "true" %> JSP Page Error ~! 2. Application % @ PageInfo = "Bad page" %> % @ PageErrorPage = "errorPage. jsp" %> // go JSP Page Boolean tf = true; If (tf )

Describes the stored procedure of jsp SQL Server call.

Example of JSP calling SQL Server Stored Procedure:Create a table: Reference content is as follows:Create table [BookUser] ([UserID] [int] IDENTITY (1, 1) not null,[UserName] [varchar] (50) COLLATE Chinese_PRC_CI_AS not null,[Title]

Three methods for displaying Web Chinese Characters in JSP development

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

Example: FCKeditor Installation Guide in JSP Environment

Bkjia.com documentFCKeditor is an open-source project on sourceforge.net. It mainly implements the online web editor function and enables web programs to have powerful editing functions such as MS Word. Official Website for http://www.fckeditor.net,

Struts2 action jump to call another program

Objective: to call another program after an Action is successful.Struts2.xml[Html]Copy codeThe Code is as follows:Http://struts.apache.org/dtds/struts-2.0.dtd> --> Www.jb51.net/jsp/uploadresult. jsp analysisAction /jsp/uploadresult. jsp -->

Configuration of JSP Servelet data source connection pool

1. Configure the Context. xml fileCopy codeThe Code is as follows:Name = "jdbc/books" // The reference name can be customized.Auth = "Container" // specify the Manager for DataSource ManagementType = "javax. SQL. DataSource" // specify the package

JSP forward Usage Analysis instance code analysis

1. homepage (enter a name) (optional, form post to time. jsp ):Omitted2. determine the time forward to different pages:Time. jsp:Copy codeThe Code is as follows:Document: indexCreated on:, 15:48:00Author: lucifer-- %>Http://www.w3.org/TR/html4/loose.

Java obtains the code for the previous day and the next day of the specified date.

Copy codeThe Code is as follows:/*** Get the day before the specified date* @ Param specifiedDay* @ Return* @ Throws Exception*/Public static String getSpecifiedDayBefore (String specifiedDay ){// SimpleDateFormat simpleDateFormat = new

JSP custom tag page 1/3

tld

I. Basic concepts: 1. Tag ):A tag is an XML element. A tag can simplify and maintain a JSP webpage, and supports multiple language versions for the same JSP file. Because tags are XML elements, their names and attributes are case sensitive.2. Tag

Jsp SmartUpload implements the upload function code

Copy codeThe Code is as follows:Enctype = "multipart/form-data">Upload page// Instantiate the Upload beanCom. jspsmart. upload. SmartUpload mySmartUpload = newCom. jspsmart. upload. SmartUpload ();// InitializationMySmartUpload. initialize

Java open-source project Hibernate

1) Significance of Hibernate In a real OOAD, the first thing we design is to build a UML model, and finally involve all objects in a system (this is not as simple as things) class diagrams are used to reflect a complete design. We may finally get

Top Ten Reasons for Hibernate's success

The following is my personal thoughts on Hibernate development, which makes Hibernate so popular so quickly.1. Fast version releaseMaintain the active development speed, and release versions frequently. The previous version is developed to the next

J2SE1.5 annotation syntax

Speaking of the annotation syntax, it is familiar to any Java developer. Every day, we use @ author, @ param, and so on to write comments and then generate documents using javadoc. Java's convenient document generation method has been widely praised

Use JSP to create reusable image backgrounds

There is a technology that can generate neat and fine-grained histograms in Java Server Pages (JSP), which can be used as a reusable background. To achieve reusability, you need to adjust the size of the image. You should also manage straight blocks

A calendar program implemented by JSP

String month;%>Year = request. getParameter ("year ");%> day Days = new String [42];For (int I = 0; I {Days [I] = "";}%>Calendar thisMonth = Calendar. getInstance ();If (month! = Null &&(! Month. equals ("null ")))ThisMonth. set (Calendar. MONTH,

JSP vulnerability Overview

Summary: Server Vulnerabilities are the origin of security issues, and most of the attacks by hackers against websites begin with finding vulnerabilities of the other party. Therefore, website administrators can take appropriate measures to prevent

Beginner in Java

Beginner in Java 1. What does Java learn? A) Java syntax basics: such as basic data types, process control, and arrays. B) object-oriented concepts: Understanding the concepts of classes and objects. C) Development tools: Jbuilder, Eclipse, etc.

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