Jsp & amp; Servelet Study Notes (1)

1.1 write a servelet Program1.2 write a jsp program1.3 compile a Servlet Program1.4 Package A Servlets and Jsps Program1.5 build a deployment descriptor.  1.1 write a servelet Program ProblemYou want to write a servlet as a web

Js jump APPLICATION IN THE FRAMEWORK

"Window. location. href" and "location. href" indicate the current page Jump."Parent. location. href" is the previous page Jump"Top. location. href" is the outermost page Jump Example:If A, B, C, and D are all jsp, D is the iframe of C, C is the

JSP click the single row list to start the event

Java codeIn principle, it is the trigger event of tr binding.Java code Java code// Click the mouse to trigger detailed display of a single row$ (Function (){$ ("# Demo tr"). bind ('click', function (){Var node = $ (this );Var list_RowIdNodes = node.

Jsp common garbled Problem Solution

1, form get method to submit parameters garbled, because the default tomcat according to the iso-8859-1 for url encoding so the corresponding conversion:@ First, set the request Encoding Method on the acceptance parameter page or servlet, for

JSP Garbled text (Garbled text generated by PAGE value transfer)

When writing Chinese characters in the JSP input box to the background, garbled characters often occur:   Today, I read a video from instructor Han shunping, got a preliminary understanding of the Garbled text, and wrote it out through my own

Introduction to passing parameters between JSP pages

Parameters passing between JSP pages is a feature that is frequently used. Sometimes, parameters passing between multiple JSP pages are required. The following describes the implementation methods. (1) Add For example, directly passing parameters

Jsp --- get attributes of JavaBean

 0102030405 obtain JavaBean attributes 06070809 10111213141516From Zhang Dapeng's blog

JSP uses URL to pass multiple parameters

In c #, multiple parameters are transmitted using URLs using Java statements,   Original statement: String str = " ";   However, I couldn't pass the parameter either. I searched the website and found no practical method. Later, an unintentional

Basic JSP knowledge

JSP script ElementJsp declaration Syntax: The jsp declaration is only valid on the current page, and the jsp built-in object cannot be used in the jsp declaration. The variables or methods declared in it are instance methods or instance

How to implement Single-point logon in jsp

During the project process, we often encounter such a situation that we need to perform single-point logon, that is, users can log on to a system and other systems at the same time. Here is an example to illustrate how to implement Single-point

Use the HttpSessionListener listener interface to listen to the current number of online users

Programming: using the HttpSessionListener listener interface to listen to the current number of online usersRequirements:(1) Compile a class to implement the HttpSessionListener interface. In the public void sessionCreated (HttpSessionEvent se)

The margin attribute of jsp in ie6 is invalid.

Today, I wrote a logon page where I used the css of margin: 0 auto to center the div with the username and password. The result is normal in chrome and firefox, And the margin attribute in ie6 is invalid. After viewing the page and css, you cannot

Jsp uncommon word display

In the network, changing the encoding from gb2312 to gbk does not take effect for a long time, including servelt, because it is garbled by default with the servlet itself in the database. Later, we changed the page encoding to gbk on the jsp page,

JSP tag paging implementation

Pages are often used in the network, and there are many paging implementations. The methods for returning paging data from the database are generally similar, mainly because of the differences on the webpage. Generally, we define an object class

Solve Chinese garbled characters in JSP and struts2 actions

There are many solutions to garbled code in JSP and struts2. Today I tried a new method, which is nice and super simple.   First, write a filter [Java]Public class SetCodeFilter implements Filter { @ OverridePublic void destroy (){} @ OverridePublic

Jsp file download, for example, txt

Download. jsp PageEncoding = "UTF-8" %>String filename = request. getParameter ("filename"); // "tzhsymd.txt ";String filepath = request. getParameter ("filepath"); // "path ";Response. setContentType ("application/octet-stream ");Response.

Servlet Filter)

Servlet Filter)Introduction to FilterFilter is also called a Filter. It is the most exciting technology in Servlet technology. WEB developers use the Filter technology to manage all web resources on web servers, such as Jsp, Servlet, static image

Jsp --- EL accessors

Use accessors to read data from JavaBean 01Package com. javaweb. ch08;02Import java. util .*;03// A simple JavaBean example04Public class Person {05// Name attribute06Private String name;07// Age attributes08Private int age;09// Sex

Struts2 spring Configuration

[Html](1) Configure struts2 in eclipse (2) copy the struts2-spring-plugin-2.0.11.2.jar package to the WEB-INF \ lib directory(3) Configure spring in web. xml org. springframework. web. context. ContextLoaderListener Remember, if you have used spring

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. [Html] you can see this in the

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