|
Parameter
|
Description
|
Default Value
|
|---|---|---|
|
val
|
The numerical value to be formatted. When configured to non-numeric values, the string representation is returned.
|
|
|
scaleNum
|
The new scale for the val field value, which takes effect only for single numbers and number strings.
|
0
|
|
roundType
|
The rounding type for single numbers or number strings.
• 0: Round Up
• 1: Round Down
• 2: Round Ceiling
• 3: Round Floor
• 4: Round Half Up
• 5: Round Half Down
• 6: Round Half Even
• 7: Round Necessary
For more information, see the BigDecimal class documentation.
|
4
|
|
nullDefVal
|
Default value for null.
|
|
Transform Function
|
Evaluation Results
|
|---|---|
|
toString(null)
|
'' (empty string)
|
|
toString(null, 0, 0, 'abcd')
|
"abcd"
|
|
toString(6)
|
"6"
|
|
toString(6, 2)
|
"6.00"
|
|
toString(6.12345, 2)
|
"6.12"
|
|
toString(6.12545, 2)
|
"6.13"
|
|
toString(6.12545, 2, 1)
|
"6.12"
|
|
toString('6', 2)
|
"6.00"
|
|
toString('6.12545', 2)
|
"6.13"
|