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  • struts2 的验证框架

    public class User {

       private Integer id;

       private String name;

       private String pwd;

       getter();

       setter();

    }

    和此类(User) 放在同一个目录下User-userLoginContext-validation.xml这个文件!

    User-userLoginContext-validation.xml如下:

    <?xml version="1.0" encoding="UTF-8"?>

    <!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="name">

       <field-validator type="requiredstring" short-circuit="true">

                <message>姓名是必填的</message>

    </field-validator>

    <field-validator type="regex">

    <param name="expression"><![CDATA[(^[a-zA-Z_]/w{3,9}$)]]></param>

                <message>姓名不合法</message>

    </field-validator>

    </field>

    <field name="pwd">

       <field-validator type="requiredstring" short-circuit="true">

                <message>密码是必填的</message>

    </field-validator>

    </field>

    </validators>

    action 如下

    public class UserAction extends ActionSupport {

    private static final long serialVersionUID = -2554018432709689579L;

    private User user; //自定义类型Field

    public String login() throws Exception{

    return SUCCESS;

    }

    }

    <package name="my" extends="struts-default" namespace="/">

    <action name="user_*" class="com.liuc.web.action.UserAction" method="{1}">

    <result name="success">/info.jsp</result>

    <result name="input">/user_{1}.jsp</result>

    </action>

    </package>

    页面:

    <div style="color:red"><s:fielderror/></div>

    <form action="user_login.action" method="post">

    <table>

    <tr>

    <td>登录名</td>

    <td><input type="text" name="user.name" value="${param['user.name']}"/></td>

    </tr>

    <tr>

    <td>密码</td>

    <td><input type="password" name="user.pwd"/></td>

    </tr>

    <tr><td colspan="2"><input type="submit" value=" 提交 "/></td></tr>

    </table>

    </form>

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  • 原文地址:https://www.cnblogs.com/java20130726/p/3218435.html
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