ASP

Difference 1:URL changes in the browser during redirectionThe URL on the browser remains unchanged for forwarding.Difference 2:Redirection actually generates two requests.Only one request is forwarded.Redirection:Send a request --> run the server -->

1. Link A Single-host event Click events to hide yourself. 2. Application of the mask pop-up layer (this is a complete jsp code) String path = request. getContextPath (); String basePath = request. getScheme () + ": //" + request. getServerName ()

In the afternoon, I was relatively idle (in fact, today I was very idle). I thought about the implementation of online user statistics and found some knowledge on the Internet. My first thought was to manage sessions, if the session is destroyed, it

  JSP nine implicit objects Request Response Config Application Exception Session Page Out PageContext Out implicit object The out implicit object is used to send text data to the client. The out object is returned by calling the getOut method of

  File Download jsp code String path = application. getRealPath ("./images/a.jpg "); File file = new File (path ); InputStream is = new FileInputStream (file ); Response. setHeader ("content-disposition", "attachment; filename =" +

  Sometimes we unify the style of the website, so we can separate the header and footer of the website, and reference the header and foot of other pages, but in practice, we often like to use html format because of footer. In this way, we will

In order not to clearly write Java code in JSP, JSP still recommends using JSP tags instead of some Java code. Below we will list two simple JSP tags for a look: Jump tag and additional parameter tag. [Java]  common JSP labels " name = "username1"/

In jsp, the action command is used to set the JavaBean attribute. There are four formats.  In this method, "*" indicates that the JavaBean attribute is set based on all parameters passed in the form. The passed parameter value must be consistent

The key to Chinese display is to identify at which stage the problem arises; When obtaining data submitted by a jsp form: Filter can be configured in web. xml (before struts filter must be configured) encodingFilter org. springframework. web.

It is more convenient to use components to upload images in JSP, but as a beginner, I still want to train my hands first and start from a trivial matter. You can upload images in either of the following ways: Save the image to a directory on the

Html code1 ..2.3. First, introduce tags4.5. 6.7. Then, use tags to format the date data.8.9. 10.11.12.13. in addition, you can use SimpleDateFormat current time:  From AlecRichard's Blog

1. Write this class first.[Java]Package itcast. lxd. web. simpleTagAttrib;Import java. io. IOException;Import java. util. Date; Import javax. servlet. http. HttpServletRequest;Import javax. servlet. http. HttpServletResponse;Import javax. servlet.

Type 1: struts1.2 looping element. name indicates the result set. Reference tag library  [Java]$ {x. u_id} $ {x. u_name} $ {x. u_sex} modify Delete Type 2: struts2.0 looping element. Note: value is the result set. Reference the tag library

1. whit[Html] 2, for... in: Traversal[Html]

JSP and Servlet Chinese garbled processing I learned about Chinese garbled characters in JSP and Servlet a few days ago. I wrote a blog and updated it today. It should be able to solve the daily garbled problem. Now I want to make the following

JSP introduction JSP is a dynamic technical standard proposed by Sun Microsystems and participated by many companies. In the traditional web page HTML file (*. htm ,*. java program snippets (Scriptlet) and JSP tags are added to html to form JSP web

Function: automatically uploads the 02view.html file under the same directory in 5 seconds. 1) html implementationAdvantage: simpleDisadvantage: cannot be used in Struts Tiles 2) javascript implementationAdvantage: flexible, can be combined with

Put. jsp [Html]ErrorPage = "" %>Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd> application test Application. setAttribute ("counter", String. valueOf (++ I ));%>[Html] Get. jsp[Html]ErrorPage = ""

Summary of the process of passing JSP page parameters!Transfer Process: 1. if you click to connect to the Jsp page, the transfer process is xxx. action request --> action --> Jsp. You must use action before entering the jsp page. Therefore, the

JSP TechnologyJSP OriginIn many dynamic web pages, most of the content is fixed, and only some content needs to be dynamically generated and changed.If the Servlet program is used to output webpages with only some content that needs to be