struts2页面输出错误信息

时间：2022-05-28 00:02:15
<package name="user" namespace="/user" extends="struts-default">

        <action name="*_*" class="com.ouc.wkp.action.UserAction"

            method="{2}">

            <result>/index.jsp</result>

            <result name="error">

                /{1}_{2}_error.jsp

            </result>

        </action>

    </package>

struts.xml

package com.ouc.wkp.action;

import com.opensymphony.xwork2.ActionSupport;

public class UserAction extends ActionSupport {

    /**

     *

     */

    private static final long serialVersionUID = 1L;

    private String name;

    public String add() {

//        System.out.println(name);

        if (name == null) {

            this.addFieldError("name", "name is error");

            this.addFieldError("name", "name is too long");

            return ERROR;

        }

        return SUCCESS;

    }

}

UserAction

<body>

    User Add Error!

    <s:fielderror fieldName="name" theme="simple">

        <br />

        <s:property value="errors.name" />

        <s:debug></s:debug>

    </s:fielderror>

</body>

user_add_error

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