struts2的校验，检验email

最新推荐文章于 2017-12-17 21:14:21 发布

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本文介绍了一种使用XWork Validator进行电子邮件字段验证的方法。其中包括了对两个电子邮件字段(email和email2)的必填验证及格式验证，并通过表达式验证确保两个字段的一致性以及特定前缀的检查。

<!DOCTYPE validators PUBLIC
        "-//OpenSymphony Group//XWork Validator 1.0.2//EN"
        "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">
<validators>
  <!-- Field Validators for email field -->
  <field name="email">
      <field-validator type="required" short-circuit="true">
          <message>You must enter a value for email.</message>
      </field-validator>
      <field-validator type="email" short-circuit="true">
          <message>Not a valid e-mail.</message>
      </field-validator>
  </field>
  <!-- Field Validators for email2 field -->
  <field name="email2">
     <field-validator type="required">
          <message>You must enter a value for email2.</message>
      </field-validator>
     <field-validator type="email">
          <message>Not a valid e-mail2.</message>
      </field-validator>
  </field>
  <!-- Plain Validator 1 -->
  <validator type="expression">
      <param name="expression">email.equals(email2)</param>
      <message>Email not the same as email2</message>
  </validator>
  <!-- Plain Validator 2 -->
  <validator type="expression" short-circuit="true">
      <param name="expression">email.startsWith('mark')</param>
      <message>Email does not start with mark</message>
  </validator>
</validators>