Answer 1: First, you must understand what servlet is. servlet is a java program executed on the server side, but it has a specific set of rules (that is, the api we usually call ); jsp is simply a servlet program written with another simple set of
1. Use javascriptCopy codeThe Code is as follows:Or:Copy codeThe Code is as follows:
2. Use HttpSession to clear the session and exit the current logon.Copy codeThe Code is as follows: exit Main Code of logout. jsp:Copy codeThe Code is as follows:
1. Descending jump per secondCopy codeThe Code is as follows:2. Use the response. setHeader FunctionCopy codeThe Code is as follows:3. Use meta tagsCopy codeThe Code is as follows:JSP page for automatic jump!1. automatic page Refresh:
Add the
Use sessionID and timestamp as the identifier. The key code is as follows:
Copy codeThe Code is as follows:Public class SswpdjAction extends BaseAction {
Public String execute (){/** Business Code **/................// Set the identifierThis.
Now encountered the problem is in the page and server are configured with the character encoding uft-8, but at the time of submission Firefox, chrome is no problem, ie8 does appear Chinese garbled, the solution is to transcode the code on the
Generally, the Tocant url encoding is iso-8859-1 (check that the Connector node in tocat/conf/server. xml does not write URIEncoding = "xxxxxx") as follows:Copy codeThe Code is as follows:ConnectionTimeout = "20000"RedirectPort = "8443" type =
Test1.jsp page:
Copy codeThe Code is as follows: My JSP 'test1. jsp 'starting page "> test2.jsp
Test2.jsp page:
Copy codeThe Code is as follows:String name = request. getParameter ("name"); // get tomcat's string formatter is ISO-8859-1Byte []
Code snippet in Action
Copy codeThe Code is as follows:Private String epid; // The global variable returns a comma-separated String.Public String getEpid (){Return epid;}
Public void setEpid (String epid ){This. epid = epid;}
Public String edit
The requirement source is as follows: Upload a large excel file to the server. The server parses the excel file and inserts it into the database one by one. The whole process takes a long time, therefore, after you Click Upload, You need to display
Displaying with jstl is more neat and less code than displaying with jsp
Copy codeThe Code is as follows: Search Retrieval time: Total number of records: " escapeXml = "false"/> Article Title: $ {current. title} "escapeXml =" false "> date:
StaticParametersInterceptor: the interceptor is in the defaultStack 13th position. It is used to fill in the static parameters configured for Action in the struts2 configuration file through the tag configuration. If Action implements the
The ultworkflowinterceptor interceptor is at the position of defaultStack 18th. It is the last interceptor in the defastack stack interceptor stack. Its main function is to determine whether the execution process of the current Action is incorrect,
1. Download NetBean6.1
NetBean6.1 includes the Web servers Tomcat6.0.16 and GlassFish V2. Therefore, after NetBean is installed, these two servers are automatically installed.
2. View Tomcat attributes
In NetBean IDE, open
In today's multi-layered web application design, we can use both Java Applet and Servlet. The Applet provides a convenient mechanism for building a powerful dynamic interface. Servlet provides an efficient means for web servers or other application
A major difference between Servlet and JSP is that Servlet can enable the Servlet to automatically start the Servlet when the web Container starts through the configuration of the Web. xml file. You can use this feature of Servlet to load unchanged
Garbled characters occur when jst is imported to html in jsp. The cause is org. apache. taglibs. standard. tag. common. core. ImportSupport.
If the charEncoding value of is null, charEncoding is the default value, that is, the
Servlet filter IntroductionServlet filters are actually a standard java class. This class obtains the Filter function by implementing the Filter interface. It is loaded by the system through the web. xml configuration file when the jsp Container is
ScopedModelDrivenInterceptor: the interceptor is in the eighth position of defaultStack. Its main function is to retrieve the corresponding model settings from the specified scope to the Action. This class has three related attributes: scope: where
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