Adobe COLDFUSION 9 Manual page 263

Developing applications

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DEVELOPING COLDFUSION 9 APPLICATIONS

Developing CFML Applications

W elcome to our home page.<br>

The time is #TimeFormat(Now())#.<br>

Your lucky number is: #RandRa nge(1,1000)#<br>

<!--- If the flag is false, query the DB, and save an image of

the results output to a variable. ---> <cfcache action="optimal"

timespan="#createtimespan(0,1,0,0)#" idletime="#createtimespan(0,0,30,0)#"><!--- Perform

database query. ---><cfquery dataSource="cfartgallery" name="specialQuery">

<h2>Check out the following specials</h2>

<td>#artid#</td>

<td>#Description#</td>

<td>#price#</td>

</table></cfcache><hr><p>Thank you for visiting us!</p>

In this example, the highlighted code creates a page fragment that displays all art records from the table

is set to expire either after one hour or after an idle time of 30 minutes. After the cache is invalidated, cache is recreated

the next time the page is accessed thereby displaying updated information (if any).

Using Amazon S3 storage

Note: To use this feature, you must install ColdFusion 9 Update 1

.ColdFusion customers can now store data in Amazon S3. The support is extended across almost all tags and functions

that take file or directory as input or output.

Storing files in Amazon S3 can be performed in the same manner as storing files on disk. Use a prefix

that the files reside on Amazon S3. For example,

For using Amazon S3, ColdFusion user must have an S3 account with Amazon.

For concepts and details related to Amazon S3, see the

Accessing Amazon S3

Use either of the following URL formats to access Amazon S3 from ColdFusion:

s3://bucket/x/y/sample.txt

is the name of the bucket and the remaining portion of the URL is the key name of the Amazon S3

In this case, specify the following authentication information in the Application.cfc:

s3://testbucket/sample.txt

Documentation.

Last updated 8/5/2010

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