Coldfusion（mx7 及更高版本）有哪些“陷阱”？我应该知道什么？
我刚刚花了花了半天时间对 Coldfusion MX7 及以下版本显然是一个相当著名的陷阱进行故障排除：
嵌套查询循环错误：
您需要引用的current_row外部查询，否则您将只能看到第一条记录。
例如：
<cfloop query="outer">
<cfloop query="innner">
<p>#outer.field#</p><!--- this won't work, you'll only get the first row --->
<p>#outer.field[current_row]#</p><!--- you must do this instead --->
</cfloop>
</cfloop>
还有其他方式使得 ColdFusion 无法以明显的方式工作吗？
Possible Duplicate:
Common programming mistakes for ColdFusion programmer to avoid?
I just spent half the day troubleshooting what is apparently a rather famous gotcha for Coldfusion MX7 and below:
The nested query loop bug:
Where you are required to reference the current_row of the outer query or else you will only see the first record.
For example:
<cfloop query="outer">
<cfloop query="innner">
<p>#outer.field#</p><!--- this won't work, you'll only get the first row --->
<p>#outer.field[current_row]#</p><!--- you must do this instead --->
</cfloop>
</cfloop>
Are there any other ways in which ColdFusion does not work in the obvious way?
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serializeJSON()可能*会意外地弄乱您的数据，例如'yes' --> 'true'，1 --> 1.0null和[empty string]在查询对象中是相同的var作用域不如local。有时当它被定义为多个时在同一函数中，; bar()是即使定义了 foo 也总是被调用，serializeJSON()may* mess up your data unexpectedly e.g.'yes' --> 'true',1 --> 1.0<cfdump>may not be telling you the truthnulland[empty string]is the same in a query objectcfcatch)varscope doesn't work as well aslocal.sometimes when it is defined multiple times in the same function<cfparam name="foo" default="#bar()#">,bar()is always invoked even though foo is defined