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Update coldfusion.html.markdown
Additions to the control structures. Added more user-friendly output for .cfm file
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wboka
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@ -9,6 +9,9 @@ ColdFusion is a scripting language for web development.
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[Read more here.](http://www.adobe.com/products/coldfusion-family.html)
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```ColdFusion
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<em>HTML tags have been provided for output readability</em>
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<!--- Comments start with "<!---" and end with "--->" --->
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<!---
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Comments can
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@ -18,52 +21,77 @@ ColdFusion is a scripting language for web development.
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--->
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<!--- CFML tags have a similar format to HTML tags. --->
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<h1>Simple Variables</h1>
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<!--- Variable Declaration: Variables are loosely typed, similar to javascript --->
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<p>Set <b>myVariable</b> to "myValue"</p>
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<cfset myVariable = "myValue" />
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<p>Set <b>myNumber</b> to 3.14</p>
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<cfset myNumber = 3.14 />
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<!--- Displaying simple data --->
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<!--- Use <cfoutput> for simple values such as strings, numbers, and expressions --->
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<cfoutput>#myVariable#<br /></cfoutput> <!--- myValue --->
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<cfoutput>#myNumber#<br /></cfoutput> <!--- 3.14 --->
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<p>Display <b>myVariable</b>: <cfoutput>#myVariable#</cfoutput></p><!--- myValue --->
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<p>Display <b>myNumber</b>: <cfoutput>#myNumber#</cfoutput></p><!--- 3.14 --->
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<hr />
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<h1>Complex Variables</h1>
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<!--- Declaring complex variables --->
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<!--- Declaring an array of 1 dimension: literal or bracket notation --->
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<p>Set <b>myArray1</b> to an array of 1 dimension using literal or bracket notation</p>
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<cfset myArray1 = [] />
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<!--- Declaring an array of 1 dimension: function notation --->
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<p>Set <b>myArray2</b> to an array of 1 dimension using function notation</p>
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<cfset myArray2 = ArrayNew(1) />
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<!--- Outputting complex variables --->
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<p>Contents of <b>myArray1</b></p>
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<cfdump var="#myArray1#" /> <!--- An empty array object --->
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<cfdump var="#myArray1#" /> <!--- An empty array object --->
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<p>Contents of <b>myArray2</b></p>
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<cfdump var="#myArray2#" /> <!--- An empty array object --->
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<!--- Operators --->
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<!--- Arithmetic --->
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<cfoutput>#1 + 1#<br /></cfoutput> = 2
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<cfoutput>#10 - 8#<br /></cfoutput> = 2
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<cfoutput>#1 * 2#<br /></cfoutput> = 2
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<cfoutput>#10 / 5#<br /></cfoutput> = 2
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<cfoutput>#12 % 5#<br /></cfoutput> = 0
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<h1>Operators</h1>
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<h2>Arithmetic</h2>
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<p>1 + 1 = <cfoutput>#1 + 1#</cfoutput></p>
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<p>10 - 7 = <cfoutput>#10 - 7#<br /></cfoutput></p>
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<p>15 * 10 = <cfoutput>#15 * 10#<br /></cfoutput></p>
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<p>100 / 5 = <cfoutput>#100 / 5#<br /></cfoutput></p>
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<p>120 % 5 = <cfoutput>#120 % 5#<br /></cfoutput></p>
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<p>120 mod 5 = <cfoutput>#120 mod 5#<br /></cfoutput></p>
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<hr />
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<!--- Comparison --->
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<cfoutput>#1 eq 1#<br /></cfoutput> <!--- TRUE --->
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<cfoutput>#15 neq 1#<br /></cfoutput> <!--- TRUE --->
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<cfoutput>#10 gt 8#<br /></cfoutput> <!--- TRUE --->
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<cfoutput>#1 lt 2#<br /></cfoutput> <!--- TRUE --->
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<cfoutput>#10 gte 5#<br /></cfoutput> <!--- TRUE --->
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<cfoutput>#1 lte 5#<br /></cfoutput> <!--- TRUE --->
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<h2>Comparison</h2>
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<h3>Standard Notation</h3>
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<p>Is 1 eq 1? <cfoutput>#1 eq 1#</cfoutput></p>
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<p>Is 15 neq 1? <cfoutput>#15 neq 1#</cfoutput></p>
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<p>Is 10 gt 8? <cfoutput>#10 gt 8#</cfoutput></p>
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<p>Is 1 lt 2? <cfoutput>#1 lt 2#</cfoutput></p>
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<p>Is 10 gte 5? <cfoutput>#10 gte 5#</cfoutput></p>
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<p>Is 1 lte 5? <cfoutput>#1 lte 5#</cfoutput></p>
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<h3>Alternative Notation</h3>
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<p>Is 1 == 1? <cfoutput>#1 eq 1#</cfoutput></p>
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<p>Is 15 != 1? <cfoutput>#15 neq 1#</cfoutput></p>
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<p>Is 10 > 8? <cfoutput>#10 gt 8#</cfoutput></p>
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<p>Is 1 < 2? <cfoutput>#1 lt 2#</cfoutput></p>
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<p>Is 10 >= 5? <cfoutput>#10 gte 5#</cfoutput></p>
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<p>Is 1 <= 5? <cfoutput>#1 lte 5#</cfoutput></p>
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<hr />
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<!--- Control Structures --->
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<h1>Control Structures</h1>
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<cfset myCondition = "Test" />
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<p>Condition to test for: "<cfoutput>#myCondition#</cfoutput>"</p>
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<cfif myCondition eq "Test">
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<cfoutput>#myCondition#</cfoutput>
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<cfoutput>#myCondition#. We're testing.</cfoutput>
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<cfelseif myCondition eq "Production">
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<cfoutput>#myCondition#. Proceed Carefully!!!</cfoutput>
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<cfelse>
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@ -73,54 +101,53 @@ ColdFusion is a scripting language for web development.
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<hr />
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<!--- Loops --->
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<h1>Loops</h1>
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<h2>For Loop</h2>
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<cfloop from="0" to="10" index="i">
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<cfoutput>#i# <br /></cfoutput>
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<p>Index equals <cfoutput>#i#</cfoutput></p>
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</cfloop>
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<h2>For Each Loop (Complex Variables)</h2>
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<p>Set <b>myArray3</b> to [5, 15, 99, 45, 100]</p>
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<cfset myArray3 = [5, 15, 99, 45, 100] />
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<cfloop array="#myArray3#" index="i">
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<p>Index equals <cfoutput>#i#</cfoutput></p>
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</cfloop>
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<p>Set <b>myArray4</b> to ["Alpha", "Bravo", "Charlie", "Delta", "Echo"]</p>
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<cfset myArray4 = ["Alpha", "Bravo", "Charlie", "Delta", "Echo"] />
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<cfloop array="#myArray4#" index="s">
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<p>Index equals <cfoutput>#s#</cfoutput></p>
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</cfloop>
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<h2>Switch Statement</h2>
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<p>Set <b>myArray5</b> to [5, 15, 99, 45, 100]</p>
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<cfset myArray5 = [5, 15, 99, 45, 100] />
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<cfloop array="#myArray5#" index="i">
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<cfswitch expression="#i#">
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<cfcase value="5,15,45" delimiters=",">
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<p><cfoutput>#i#</cfoutput> is a multiple of 5.</p>
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</cfcase>
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<cfcase value="99">
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<p><cfoutput>#i#</cfoutput> is ninety-nine.</p>
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</cfcase>
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<cfdefaultcase>
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<p><cfoutput>#i#</cfoutput> is not 5, 15, 45, or 99.</p>
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</cfdefaultcase>
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</cfswitch>
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</cfloop>
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<hr />
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```
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<!--
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// For Each Loop
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// The for loop is also able to iterate over arrays as well as objects
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// that implement the Iterable interface.
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int[] fooList = {1, 2, 3, 4, 5, 6, 7, 8, 9};
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// for each loop structure => for (<object> : <iterable>)
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// reads as: for each element in the iterable
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// note: the object type must match the element type of the iterable.
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for (int bar : fooList) {
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System.out.println(bar);
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//Iterates 9 times and prints 1-9 on new lines
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}
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// Switch Case
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// A switch works with the byte, short, char, and int data types.
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// It also works with enumerated types (discussed in Enum Types), the
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// String class, and a few special classes that wrap primitive types:
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// Character, Byte, Short, and Integer.
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int month = 3;
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String monthString;
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switch (month) {
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case 1: monthString = "January";
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break;
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case 2: monthString = "February";
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break;
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case 3: monthString = "March";
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break;
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default: monthString = "Some other month";
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break;
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}
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System.out.println("Switch Case Result: " + monthString);
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// Conditional Shorthand
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// You can use the '?' operator for quick assignments or logic forks.
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// Reads as "If (statement) is true, use <first value>, otherwise, use
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// <second value>"
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int foo = 5;
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String bar = (foo < 10) ? "A" : "B";
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System.out.println(bar); // Prints A, because the statement is true
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////////////////////////////////////////
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// Converting Data Types And Typecasting
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////////////////////////////////////////
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