Adobe Dreamweaver CS3 Uživatelský manuál stáhnout pdf (Strana 599)

100

101

DREAMWEAVER CS3

User Guide

592

When the page designer clicks the Plus (+) button on the Server Behaviors panel, the new server behavior’s title will

appear in the pop-up menu. When a designer applies an instance of a server behavior to a document, the behavior

appears in the list of applied behaviors in the Server Behaviors panel. Use the Server Behavior Title box to specify

the contents of the Plus (+) pop-up menu and the list of applied behaviors.

The initial value in the box is the name you supplied in the New Server Behavior dialog box. As parameters are

defined, the name is automatically updated so that the parameters appear inside parentheses after the server behavior

name.

Set Session Variable (@@Name@@, @@Value@@)

If the user accepts the default value, everything before the parentheses appears in the Plus (+) pop-up menu (for

example, Set Session Variable). The name plus the parameters will appear in the list of applied behaviors—for

example, Set Session Variable ("abcd", "5").

Code Block to Select Specifies what code block is selected when the user selects the behavior in the Server Behaviors

panel.

Whenyouapplyaserverbehavior,oneofthecodeblockswithinthebehaviorisdesignatedthe“codeblocktoselect.”

If you apply the server behavior and then select the behavior in the Server Behaviors panel, the designated block is

selected in the Document window. By default, Dreamweaver selects the first code block that is not above the

html

tag. If all the code blocks are above the html tag, then the first one is selected. Advanced users can specify which code

block is the selected one.

Creating code blocks

ThecodeblocksyoucreateintheServerBehaviorBuilderareencapsulatedinaserverbehaviorthatappearsinthe

Server Behaviors panel. The code can be any valid run-time code for the specified server model. For example, if you

choose ColdFusion as the document type for your custom server behavior, the code you write must be valid

ColdFusion code that runs on a ColdFusion application server.

You can create the code blocks either directly in the Server Behavior Builder, or you can copy and paste the code from

othersources.EachcodeblockyoucreateintheServerBehaviorBuildermustbeasingletagorscriptblock.Ifyou

must insert multiple tag blocks, split them into separate code blocks.

Conditions in code blocks

Dreamweaver lets you develop code blocks that incorporate control statements that execute conditionally. The

Server Behavior Builder uses

if, elseif, and else statements, and may also contain server behavior parameters.

This enables you to insert alternate text blocks based on the values of OR relationships among server behavior

parameters.

The following example shows the

if, elseif,andelse statements. The square brackets ([ ]) denote optional code

andtheasterisk(*)denoteszeroormoreinstances.Toexecuteaportionofacodeblockortheentirecodeblockonly

if a certain condition or conditions apply, use the following syntax:

<@ if (expression1) @>conditional text1[<@ elseif (expression2) @>conditional text2]*[<@

else @>

conditional text3]<@ endif @>

Condition expressions can be any JavaScript expression that can be evaluated using the JavaScript eval() function,

and may include a server behavior parameter marked by @@’s. (The @@’s distinguish the parameter from JavaScript

variables and keywords.)

September 4, 2007

1 2 ... 594 595 596 597 598 599 600 601 602 603 604 ... 737 738

Komentáře k této Příručce

Žádné komentáře

Adobe Dreamweaver CS3 Uživatelský manuál Strana 599

Komentáře k této Příručce

Související produkty a manuály pro Software Adobe Dreamweaver CS3