我正在使用Spring表单库来处理应用程序中的搜索页面。下面是我的DD中的一段代码,显示了bean的配置:
<bean name="/search.html" class="myapp.web.AccountSearchController">
<property name="sessionForm" value="true"/>
<property name="commandName" value="searchAccounts"/>
<property name="commandClass" value="myapp.service.AccountSearch"/>
<property name="validator">
<bean class="myapp.service.AccountSearchValidator"/>
</property>
<property name="formView" value="accountSearch"/>
<property name="successView" value="accountSearch"/>
</bean>
验证器类非常简单:
package myapp.service;
import org.springframework.validation.Validator;
import org.springframework.validation.Errors;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class AccountSearchValidator implements Validator {
/** Logger for this class and subclasses */
protected final Log logger = LogFactory.getLog(getClass());
public boolean supports(Class clazz) {
return AccountSearch.class.equals(clazz);
}
public void validate(Object obj, Errors errors) {
AccountSearch accountSearch = (AccountSearch) obj;
if (accountSearch == null) {
errors.rejectValue("domainName", "error.accountSearch.neither-specified", null, "Value required.");
} else if (accountSearch.getAccountId().isEmpty() &&
accountSearch.getDomainName().isEmpty() ) {
errors.rejectValue("domainName", "error.accountSearch.neither-specified", null, "Value required.");
}
}
}
在我的JSP中,我的表单显示在一个HTML表中。我希望字段特定的错误作为单独的表行显示在相应的字段下。下面是一段代码:
<tr>
<td align="right" valign="top"><form:label path="domainName">Domain Name</form:label>:</td>
<td><form:input path="domainName" size="30"/></td>
</tr>
<tr>
<td> </td>
<td><form:errors path="domainName" cssClass="error"/></td>
</tr>
我的问题是-如何使错误行的输出以错误的存在为条件?可以从我的JSP访问Validator实例吗?对c:if标签的测试是什么?
谢谢,
-aj
发布于 2009-11-02 23:52:32
好吧,我花了几天的时间,但我想通了:
<c:set var="domainNameErrors"><form:errors path="domainName"/></c:set>
<c:if test="${not empty domainNameErrors}">
<tr>
<td> </td>
<td>${domainNameErrors}</td>
</tr>
</c:if>
这篇文章非常有用:http://forum.springsource.org/archive/index.php/t-51044.html
发布于 2010-03-29 21:06:03
使用<spring:hasBindErrors name="loginPasswordForm">
发布于 2013-11-28 16:03:00
使用<spring:bind path="fieldName">
并检查status.error
以查看该字段是否有错误
示例
<spring:bind path="phoneNumber">
<form:input path="phoneNumber" />
<form:errors path="phoneNumber" cssClass="error" />
${status.error ? 'has error' : ''}
</spring:bind>
备注
<form:input path="" />
必须在<spring:bind >
标记内
https://stackoverflow.com/questions/1653438
复制相似问题