struts2表单验证里field-validator type值

int 整数;
double 实数;
date 日期;
expression  两数的关系比较;
email Email地址;
url
visitor
conversion
regex 正则表达式验证;
required 是否为空;
requiredstring 必须字符;
stringlength 输入字符长度限制;


============Demo===========

url web地址 visitor 访问 conversion 转换


<field name="user.userName">   
   <!-- 验证字符串不能为空 -->   
   <field-validator type="requiredstring">   
    <!-- 去空格 -->   
    <param name="trim">true</param>   
    <!-- 错误提示信息 -->   
    <message>用户名不能为空</message>   
   </field-validator>   
     
   <!-- 验证字符串长度 -->   
   <field-validator type="stringlength">   
    <param name="minLength">2</param>   
    <param name="maxLength">20</param>   
    <message>用户名长度应在2到18个字符间</message>   
   </field-validator>   
</field>   
  
<field name="user.password">   
   <field-validator type="requiredstring">   
    <param name="trim">true</param>   
    <message>密码不能为空</message>   
   </field-validator>   
     
   <field-validator type="stringlength">   
    <param name="minLength">6</param>   
    <param name="maxLength">18</param>   
    <message>密码长度应在6到18个字符之间</message>   
   </field-validator>   
</field>   
  
<field name="user.age">   
   <field-validator type="int">   
    <param name="min">1</param>   
    <param name="max">150</param>   
    <message>年龄应在1到150之间</message>   
   </field-validator>   
</field>   
<!-- 验证字符串为日期类型 -->   
<field name="user.birthday">   
   <field-validator type="date">   
    <param name="min">1900-01-01</param>   
    <param name="max">2008-10-16</param>   
    <message>出生日期应在1900-01-01到2008-10-16</message>   
   </field-validator>   
</field>   
</validators>  

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转载自northc.iteye.com/blog/1163972
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