JSP development Servlet solves the problem of Web Page cache, jspservlet
JSP development-Servlet for solving web page cache Problems
(1) Why should we prevent the page caching problem of the browser:
Therefore, pages that do not need to be cached
One, PHP generation word of two ideas or principles
1. Take advantage of COM components under Windows2. Use PHP to write content to the doc fileThe implementation method is as follows.
Second, use the COM components under Windows
Principle: com as
1. Add in the header of the ASP page
Reference content is as follows:Response. Buffer = trueResponse. expiresabsolute = now ()-1Response. expires = 0Response. cachecontrol = "no-Cache"Response. addheader "Pragma", "No-Cache"
2. Add
When the Web server receives an HTTP request from the client, it creates a request object representing the request and a response object for each request. Since the request and response objects represent requests and responses, we only need to find
/**
* Get Word document content based on HTML code
* Create a document that is essentially MHT, which parses the contents of a file and downloads the picture resource from the page remotely
* This function depends on the class
Recently, I encountered a problem about generating word. now I will summarize the relevant information about the three methods used to generate word. For more information, see
I. two ideas or principles for generating word in PHP
1. use com
Principles and Examples of using PHP to export Word documents. In general, there are two ways to export doc files, one is to use com and install it on the server as an extension library of php, then create a com and call its method.
PrivilegeAction.class.php
Determining whether a constant is defined, if not defined, means that it is not the requested INDEX.PHPIF (!defined (' ACCESS ')) exit;//initializes class application{//1. Initialize the character set private static
I went to the interview the day before yesterday and met a technical interviewer. I asked a lot of questions and did not answer them. Instead, I did not understand them well enough and did not summarize them. The most typical is the hierarchy of
1. Add in the header of the ASP page
The following is a reference clip:Response. Buffer = trueResponse. expiresabsolute = now ()-1Response. expires = 0Response. cachecontrol = "no-Cache"Response. addheader "Pragma", "No-Cache"
As a PHP programmer must be exposed to the HTTP protocol, and only in-depth understanding of the HTTP protocol, programming level will be further. Recently I have been learning PHP for HTTP programming, a lot of things suddenly, benefited. I want to
Java web daily Servlet working principle details analysis, assumervlet
In the previous article, we introduced the Servlet implementation method and the Servlet lifecycle. This article will introduce common objects.
Click to review: Working Principle
Servlet solves web page cache Problems
(1) Why should we prevent the page caching problem of the browser:
Therefore, pages that do not need to be cached must be non-cached;
The Code is as follows:
Package com. lc. httpTest; import java. io.
Java Study Notes-HttpServletResponse and HttpServletRequest (14), httpservletrequest
If the developer needs to obtain the user's request, use the object of the HttpServletRequest interface.
If the developer needs to respond to the user's request,
Recently, most of the company's main tasks are making bank reports. Here, I would like to summarize the Java Web Implementation of the download of excel report templates. Paste the core code as follows: publicStringdownload () throwsException
1. Common Filter applications (2) ------ page not cached1. Disable the browser from caching all dynamic page filters:(1) Three HTTP response header fields can disable the browser from caching the current page. Their instance code in the Servlet is
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.