Struts2 基於XML校驗

以下是的各類字段級和非字段級驗證在Struts2列表：

date validator:

<field name="birthday"> <field-validator type="date"> <param name="min">01/01/1990 <param name="max">01/01/2000 Birthday must be within ${min} and ${max}

double validator:

<field name="percentage"> <field-validator type="double"> <param name="minExclusive">0.123 <param name="maxExclusive">99.98 Percentage needs to be between ${minExclusive}
${maxExclusive} (exclusive)

email validator:

<field name="myEmail"> <field-validator type="email"> Must provide a valid email

expression validator:

非現場級驗證，驗證基於正則表達式提供。

<field-validator type="expression"> <param name="expression">.... Failed to meet Ognl Expression ....

int validator:

<field name="age"> <field-validator type="int"> <param name="min">5 <param name="max">50 Age needs to be between ${min} and ${max}

regex validator:

<field name="myStrangePostcode"> <field-validator type="regex"> <param name="fieldName">myStrangePostcode <param name="expression"> <![CDATA[([aAbBcCdD][123][eEfFgG][456])]]>

required validator:

<field name="username"> <field-validator type="required"> username must not be null

requiredstring validator:

<field name="username"> <field-validator type="requiredstring"> <param name="trim">true username must not be null

stringlength validator:

<field name="username"> <field-validator type="stringlength"> <param name="minLength">10 <param name="maxLength">10 <param name="trim">true Your username needs to be 10 characters long

url validator:

<field-validator type="url"> <param name="fieldName">myHomePageURL Invalid homepage url