<bean id="messageSource" class="org.springframework.context.support.ReloadableResourceBundleMessageSource"> <property name="basenames" value="classpath:messages"/> <!--指定文件的编码--> <property name="fileEncodings" value="utf8"/> <!--对资源文件的缓存时间--> <property name="cacheSeconds" value="120"/> </bean>
以上使spring-web.xml中的配置，其中，由于messages是放在src下的resource文件夹中，所以需要使用classpath作为定位。
package com.ual.web; import com.ual.model.Employee; import org.springframework.validation.Errors; import org.springframework.validation.ValidationUtils; import org.springframework.validation.Validator; public class EmployeeValidator implements Validator { @Override public boolean supports(Class<?> aClass) { return Employee.class.isAssignableFrom(aClass); } @Override public void validate(Object o, Errors errors) { Employee employee=(Employee)o; ValidationUtils.rejectIfEmpty(errors,"name","name.required"); ValidationUtils.rejectIfEmptyOrWhitespace(errors,"birthDate","birthDate.required"); } }
@Override public void validate(Object o, Errors errors) { Employee employee=(Employee)o; ValidationUtils.rejectIfEmpty(errors,"name","employee.name.required"); if(employee.getName()!=null&&employee.getName().equals("123")){ errors.rejectValue("name","employee.name.NotOne"); } ValidationUtils.rejectIfEmpty(errors,"birthDate","employee.birthDate.required"); }
以上是自定义的validator。
视图中：
<%@page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" isELIgnored="false" %> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %> <!DOCTYPE HTML> <html> <head> <title>Getting Started:Serving Web Content</title> <meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/> </head> <body> <div id="global"> <fieldset> <form:form commandName="employee" action="save-employee" method="post"> <legend> Add an employee</legend> <p> <form:errors path="name" /> </p> <p> <label >Name:</label> <form:input path="name" tabindex="1"/> </p> <p> <form:errors path="birthDate" cssClass="error"/> </p> <p> <label>BirthDate</label> <form:input path="birthDate" tabindex="2"/> </p> <p id="buttons"> <input id="reset" type="reset" tabindex="3"/> <input id="submit" type="submit" tabindex="4" value="AddEmployee"/> </p> </fieldset> </form:form> </div> </body> </html>
此代码 基于dianzan项目。