INSTALLING COLDFUSION 10 3 Preparing to Install ColdFusion Last updated 7/9/2012 Installation considerations for UNIX The following are installation considerations. Earlier this month, I published a story about a criminal hacking gang using Adobe ColdFusion vulnerabilities to build a botnet of hacked e-commerce sites that were. Public beta of next versions of ColdFusion Server (code named Splendor) and ColdFusion Builder (code named Thunder) were released yesterday on Adobe Labs.
Installing ColdFusion on IIS 7 + Configure IIS for ColdFusion in Windows Vista and Windows Server 2008.
Basic Cold. Fusion - Tutorial. Contents: Part 1: Introduction. Part 2: Assignments, basic arithmetic and displaying things on the screen. Part 3: Complex data objects: arrays, queries and structures.
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Part 4: Cold. Fusion and database. Part 5: Using form and URL variables to create forms. Part 6: "cfif" and "cfloop" tags. Part 7: Using functions in Cold.
Basic ColdFusion - Tutorial Contents: Part 1: Introduction Part 2: Assignments, basic arithmetic and displaying things on the screen Part 3: Complex data objects.
Fusion. Part 8: Quick look at Cold. Fusion components (CFCs)Part 9: Useful hints.
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Introduction. The aim of this tutorial is to explain to someone that never worked with Cold. Fusion as to what it is and how to. There is no assumed prior knowledge of Cold. Fusion. However, it is assumed that you have already. CF (CF stands for Cold. Fusion) server. In the database section I also assumed that you installed a database server - for my. I will use a SQL server and its default databases (pubs and Northwind).
I assume that you know, or someone will. Cold. Fusion is a scripting language, that since 1. A dynamic. website can change depending on outside factors like data, user preferences or changes in backend database. Websites. that only use HTML are static.
HTML is a set of tags used to format and link pieces of text - it doesn't change. DHTML. (dynamic HTML) based website has limited ability to interact with the website. Cold. Fusion is a programming language that is tag based and can be used on the same page as HTML (however for more advanced programming. All Cold. Fusion tags start with "cf", for example, < cfset your. Name = "Joe">. this tag sets variable "your.
Name" to the value of "Joe". Cold. Fusion is not concerned with variable and statement case. CFSET YOURname = "Joe"> is the same as < CFset your. Nam. E = "Joe">. Guide version 0. 1 last updated on 1. I provide this guide as is, without any guarantees, explicit or implied, as. You may use the information contained herein in your computer career, however.
I take no responsibility for any damages you may incur as a result of following this guide. You may use this document freely and share it with anybody as long as you provide the. If you find any mistakes.
Tom Kitta. Legal stuff aside. Assignments, basic arithmetic and displaying things on the screen. In every programming language there is a way to set a variable. A variable is a space in computer (server) memory. This value can be text, number or any other object (for example an array). In Cold. Fusion. you create a variable using the < cfset [variable name] = [variable value]> tag. For example, you can set.
Variables can store results of adding numbers, concatenating strings or any other legal operation. For example, you can. Var = 1. 23>. < cfset another. Var = 3. 21>. < cfset sum = my. Var + another. Var>.
Here is what the variable 'sum' holds sum = 4. You can output it using: < cfoutput> #sum#< /cfoutput> < br/>. You can also concatenate strings together (like gluing them together).
Cold. Fusion has automatic variable type conversion, it belongs to a family of programming languages that are not. This means that you can have smooth transition from a number to a string depending on operation. You don't need to specify variable type when declaring a new variable, in fact you never need to. In practice, this means that the following is.
String. Var = "abcdefg">. Number. Var = 1. 23. Var = my. String. Var & " " & my. Number. Var>. Here is what the variable 'concatination.
Var' holds concatination. Var = "abcdefg 1. You can see the result: < cfoutput> #concatination. Var#< /cfoutput> < br/>.
Please note that a string concatenated with a string (space) and a number results in a string. As you probably noticed. I am sure that by now you have an idea, from the examples above, how one displays variable results to the screen. You. output variable contents to the screen using the < cfoutput> #[some variable]#< /cfoutput>. In other words, your variable needs to be. There has to be one pound. For example, lets set some variables.
Note, you can only display directly to the screen variables containing simple values, such as. There is no need to use < cfoutput> tag pair when displaying ordinary text - it is only needed when displaying Cold. Fusion. variables (or evaluating Cold.
Fusion expressions that result in simple types). First. Var = "1st string">.
Sec. Var = "2nd string">. Number = 1. 23>. Number = 3. 45>. First. Var# < br/>. Sec. Var# < br/>.
Number# < br/>. Number+another. Number#< /cfoutput>.
Results when above code is executed. Since we are talking about variables, it is worth to write few words about "scopes". Each variable in Cold. Fusion belongs to a. A scope is basically a grouping of variable types. You may think of a scope as a grouping of variables.
By default. all variables created on a template are members of a "variables" scope. The variables scope is the first scope that Cold.
Fusion looks. through when programmer doesn't explicitly set the scope. Please note misleading scope name, yes, scope is named "variables". For many scope types you don't need to specify them explicitly, Cold. Fusion will search all scopes, starting with "variables" for variable. You can explicitly specify scope in a < cfset> statement like this: < cfset variables. Variable = 1. 23. You just set a variable named "my.
Variable" in the "variables" scope to the numeric value of 1. The "variables" scope is the default scope. New variables which are created on Cold. Fusion template are created in the "variables" scope.
There are many scopes in use in Cold. Fusion. Take a look at the table underneath for a.
Discussion of less common scopes is beyond the scope of. For your reference, these are: server, cookie, arguments, request, client, this, flash and some tag specific scopes. Please note, that.
On subsequent pages, these variables are not found. For more information about scopes, please take a look at. One of the more important functions used with variables is is. Defined() function.
It is used to check whatever a variable exist. You. need to check whatever a variable exists, since using a variable that doesn't exist will produce an error. This function returns either "true" - . Usage example: is. Defiend("bob") will return true if "bob" is a defined variable, false.
Note that the quotes are mandatory around variables you want to test! For more help, see the. Scope name. Need to define it explicitly. Usage informationvariables. No. Default scope - when you create new variables without defining scope first, they are placed into the variables scope. No. Variables in this scope are created automatically on the page that is the target of a POST operation - see more infromation about forms later on in this tutorial. No. Variables in this scope are created automatically when the page you are on was invoked with the query string following the page address.
For example, "http: //www. Var=1& my. Another. Var=tom" will create on the "example. Var" and "my. Another. Var" containing the values of "1" and "tom", respectively. Yes. You create these variables yourself - they are used as an alternative (easier in my opinion) way of storing values across all pages. Session variable support needs to be setup in the "Application.
Application. cfc" for CF7). Variables set in the "variables" scope exist only on they page they were defined. The variables in the "session" scope exist as long as the same user is using the application - they are specific to that particular user for that particular browser session (thus the scope name).
Yes. You create these variables yourself - they need to be enabled first in the Application. They exist for the duration of initialization of your application, by default for 2 days. They are shared among all users of your application, but not among different applications.
For more information, take a look at the < cfapplication> tag. These variables are automatically created by user's browser and are available to Cold. Fusion immediately.
They contain values such as end- user IP address. Note that their existance is not guaranteed - it is dependant on the user agent (browser is still the most common user agent). Complex data objects: arrays, queries and structures. Sometimes using simple variables holding just strings and numbers is not enough. At first you may think that you may get. However, just few simple real life examples will prove otherwise. If. you want to use a database (anything but the most simple applications) you need to be familiar with queries.
All build in. Cold. Fusion scopes as of Cold.
Fusion edition 6 (MX) can be accessed using structure syntax. Structures are an abstract data type (meaning they are not simple), also known as associative arrays, that I will explain using a. Say, you want to store person's name, address, age, income and eye color on your page. You could define five separate variables, with. However, that approach has problems - it is very inflexible (think more people, more data). Instead of creating.
Lets call the structure "person. Data". This is how the declaration would go. Data = struct. New()>.
Data. name = "joe">. Data. address = "1. Some Drive, Pleasant Town, 9. Data. age = "3. 0">.
Data. income = "5. Data. eye. Color = "blue">. You cannot directly display structures, only its members, thus < cfoutput> #person. Data< /cfoutput> would produce an error - complex types cannot.
However, you can display its members just fine, for example, < cfoutput> #person. Data. age#< /cfoutput> will work - it will.
As you noticed from example above, you use the "dot" operator to define individual members of a structure. You may define as many as you like. Alternatively, you may use another syntax which uses square brackets and quotes around structure members, for example, < cfset person. Data. name = "joe">.
Data["name"] = "joe"> with the square bracket notation the structure member variable case is preserved (i. Discussion of arrays is a continuation of the discussion about structures.