Struts2校验文件配置步骤
<!DOCTYPE validators PUBLIC
?"-//OpenSymphony Group//XWork Validator 1.0.2//EN"
?"http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">
? <validators>?

? <field name="">
??<field-validator type="">
??<param name=""></param>
??<message></message>
??</field-validator>

? </validators>

2.将xml文件与Action放到同一个目录下