Remove spaces at both ends of the string in flex.

Today, I encountered a problem. When I judge two strings, there is always false. Why is this problem obviously true for the same string, then I will write the string to be judged directly after =, for example, "ABC.

If ("ABC" = "ABC ")

No problem, but I began to think about the cause.

Finally, I found it. I stored a field in the database to an arraycollection in the foreground through the background Java.For example, arr. Then, arr. getitemat (10). Str = "ABC ",That's the point of attention.

This string is correct in the database, but it is often followed by some spaces,

The solution is as follows:

Import MX. utils. stringutil;

Then

If ("ABC" = stringutil. Trim (ARR, getitemat (I). Str ))

In this way, it's okay to pass the judgment.