How to obtain some useful information in JSP

Request. getrequesturi (): obtains the client address that sends a string request. Request. getremoteaddr (): Get the customer's disconnected IP Address Request. getremotehost (): Obtain the remote host name Request. getservletpate (); obtain the

JSP internal object

JSP internal objects strong 2008.10.9 Output object, used to output data to the client. Request object. You can use the request object to obtain user request parameters, HTTP request headers, and user IP addresses. Response response object. You

Use jstl labels in JSP.

-- select -- $ {entry. Value} The above directly pieces together the El expression, and then the running effect is also acceptable.   OK, directly splice the El expression above, and then the running effect is also acceptable.  

Solution for modifying JSP under JBoss

1. JBoss should also be restarted to modify JSP, which is the most recent issue, and the JBoss startup speed is much slower. this problem occurs only when you try to use the jrebel plug-in and double-click server JBoss configuration in eclipse.

Using Bean: Include and C: import in JSP

Url = "/Company/fundstrategy. do? Method = getfundinvestmentstrategy & pecvfund. fundid =$ {fundid} "> Page = "/project/tradinglist. do? Method = getprojecttradinglist & pecvproject. projectid =$ {projectid} "/> Both methods can include

Configure the JSP virtual host in Resin

1. Add host Blocks Each jsp vm has its own host block. Each user must define at least the ID to specify the name of the VM and a root application. Program . A is usually used to set a default web application for the host. Configuration File

Question about using EL expression ieelignoed in JSP

When using the El expression in JSP, You need to identify iselignored = "false". Otherwise, the El expression is compiled as a normal string and the correct value is not displayed on the page. You can see this in the

Overview of JSP

1. Understand JSP 1.1 Basic KnowledgeJava Server Pages dynamic web page technologyASP: VB and JS as scriptsJSP: Java Dynamic and Static Page SeparationRun after compilation from the hardware platformBasics: Java and HTML1.2 JSP pageThe xxx. jsp page

JSP: share data on different pages of the same user

Http://blog.163.com/yangzhanghui_job/blog/static/17957506220127273348178/ COOKIE: the server saves user information on the client, such as the login name and password.Purpose:1. Save the user name and password. You do not need to log on again within

JSP page command

Strong page commands in JSP: 2008.10.9 The page command is used to define the global attributes in the JSP file. A JSP page can contain multiple page commands. In addition to the import attribute, other attributes can only appear once. [Language = "

JSP pages are displayed based on the total number of pages and the number of pages displayed per page.

// initialize the global variable int totalnum = 6; // total number of records int numperpage = 2; // number of records displayed per page int maxpagenum = 0; // maximum number of pages for this search int curpage = 1; // current page int

Connecting to access in JSP

Import = "Java. SQL. *" %> insert title here Try { Class. forname ("Sun. JDBC. ODBC. jdbcodbcdriver "); String source = "JDBC: ODBC: Student "; Connection con = drivermanager. getconnection (source ); %>Access is successfully

Why cannot I display the JSP webpage Verification Code under WebLogic ?? (Very useful)

The following error is reported: Ava. Lang. noclassdeffounderror: cocould not initialize class sun. AWT. x11graphicsenvironmentAt java. Lang. Class. forname0 (native method)At java. Lang. Class. forname (class. Java: 169)At java. AWT.

Remove blank lines when JSP generates HTML

Developers who use JSP know that the HTML generated after JSP compilation contains a large number of blank lines. These blank lines are generally not in the way, which at most reduces the friendliness of search engines and the readability of HTML.

JSP quick Data Display

Younger brother in 2004 to learn the MS classic ASP the oldest ASP, non net. Now, JSP is officially used. Although the younger brother has been familiar with Java for a long time, he may know a little bit about it, but he does not have. Therefore,

JSP form submission path in struts

I wrote a simple example yesterday .. Only registration, login, and exit functions are available. The submission address written when writing to exit the function is , then, when configuring action in the actionservlet, write , and then in the

Introduction and usage of nine built-in JSP objects

1. Request object The request information of the client is encapsulated in the request object, so that the client can understand the customer's requirements and then respond. It is an instance of the httpservletrequest class. Serial number method

JSP uses regular expressions to listen to onkeyup events in text fields

1. Only numbers and English letters can be entered:Onbeforepaste = "clipboardData. setdata ('text', clipboardData. getdata ('text'). Replace (/[^ \ D]/g ,''))"Id = "text1" name = "text1">2. Only numbers can be entered:Onbeforepaste = "clipboardData.

Include JSP file

Two methods are available for JSP files: 1. jsp include pseudocommands, such as: cannot be dynamically called using variables? 2. jsp: Include tag, for example, " Flush = "true"/> can dynamically include files. Let's test this. Test code:

After converting the character set, the Chinese parameters of URL passing parameters in JSP are still subject to question marks.

Problem: details Pass Chinese parameters through URL through click connection The Chinese parameter of the URL in the hitinfoqueryservlet squadron is used to convert the character set recommended by most people. The Code is as follows:New String

Total Pages: 280 1 .... 261 262 263 264 265 .... 280 Go to: GO

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.