Apache Struts 2 Documentation > Home > Guides > Core Developers Guide > Validation > double validator |
Field Validator that checks if the double specified is within a certain range.
<validators> <!-- Plain Validator Syntax --> <validator type="double"> <param name="fieldName">percentage</param> <param name="minInclusive">20.1</param> <param name="maxInclusive">50.1</param> <message>Age needs to be between ${minInclusive} and axInclusive} (inclusive)</message> </validator> <!-- Field Validator Syntax --> <field name="percentage"> <field-validator type="double"> <param name="minExclusive">0.123</param> <param name="maxExclusive">99.98</param> <message>Percentage needs to be between ${minExclusive} ${maxExclusive} (exclusive)</message> </field-validator> </field> </validators>