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    3. Hibernate Validator利用注解进行数据验证 工程测试（17）

    Hibernate Validator利用注解进行数据验证 工程测试（17）

    技术2023-06-17  85

    Hibernate Validator利用注解进行数据验证 工程测试

    maven pom.xml配置依赖库数据模型Goods控制器GoodsController数据输入addgoods.jsp数据展示showgoods.jspspring-servlet.xml配置文件测试

    maven pom.xml配置依赖库

    <!-- https://mvnrepository.com/artifact/org.hibernate.validator/hibernate-validator --> <dependency> <groupId>org.hibernate.validator</groupId> <artifactId>hibernate-validator</artifactId> <version>6.0.16.Final</version> </dependency> <!-- https://mvnrepository.com/artifact/javax.validation/validation-api --> <dependency> <groupId>javax.validation</groupId> <artifactId>validation-api</artifactId> <version>2.0.1.Final</version> </dependency> <!-- https://mvnrepository.com/artifact/jboss.logging/jboss-logging-spi --> <dependency> <groupId>jboss.logging</groupId> <artifactId>jboss-logging-spi</artifactId> <version>1.0</version> </dependency> <!-- https://mvnrepository.com/artifact/com.fasterxml/classmate --> <dependency> <groupId>com.fasterxml</groupId> <artifactId>classmate</artifactId> <version>1.3.4</version> </dependency>

    数据模型Goods

    package pojo; import org.hibernate.validator.constraints.Range; import org.springframework.format.annotation.DateTimeFormat; import javax.validation.constraints.NotEmpty; import javax.validation.constraints.Past; import java.util.Date; public class Goods { @NotEmpty(message="{goods.gname.required}") private String gname; @NotEmpty(message="{goods.gdesciption.required}") private String gdescription; @Range(min=0,max=100,message="{gprice.invalid}") private double gprice; // 日期格式化（需要在配置文件中配置FormattingConversionServiceFactoryBean) @DateTimeFormat(pattern = "yyyy-MM-dd") @Past(message="{gdate.invalid}") private Date gdate; public String getGname() { return gname; } public void setGname(String gname) { this.gname = gname; } public String getGdescription() { return gdescription; } public void setGdescription(String gdescription) { this.gdescription = gdescription; } public double getGprice() { return gprice; } public void setGprice(double gprice) { this.gprice = gprice; } public Date getGdate() { return gdate; } public void setGdate(Date gdate) { this.gdate = gdate; } }

    控制器GoodsController

    package control; import interCepetor.logonInterCepetor; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.validation.BindingResult; import org.springframework.web.bind.annotation.RequestMapping; import pojo.Goods; import service.GoodsServiceImpl; import javax.validation.Valid; @Controller @RequestMapping("/goods") public class GoodsController { public static Log log = LogFactory.getLog(logonInterCepetor.class); @Autowired private GoodsServiceImpl goodsService; @RequestMapping("/input") public String input(Model model) { // 如果model中没有goods属性，addGoods.jsp会抛出异常 // 因为表单标签无法找到modelAttribute属性指定的form backing object model.addAttribute("goods", new Goods()); return "addgoods"; } @RequestMapping("/save") public String save(@Valid Goods goods, BindingResult result, Model model) { log.info("this is info check" + result.hasErrors()); if (result.hasErrors()) { log.info(("this if info check" + result.getFieldErrors())); return "addgoods"; } goodsService.save(goods); model.addAttribute("goodsList", goodsService.getGoods()); return "showgoods"; } }

    数据输入addgoods.jsp

    <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@taglib prefix="form" uri="http://www.springframework.org/tags/form"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>添加商品</title> </head> <body> <form:form modelAttribute="goods" action="/goods/save" method="post"> <fieldset> <legend> 添加一件商品 </legend> <P> <label>商品名:</label> <form:input path="gname" /> </p> <p> <label>商品详情:</label> <form:input path="gdescription" /> </p> <P> <label>商品价格:</label> <form:input path="gprice" /> </p> <P> <label>创建日期:</label> <form:input path="gdate" /> (yyyy-MM-dd) </p> <p id="buttons"> <input id="reset" type="reset"> <input id="submit" type="submit" value="添加"> </p> </fieldset> <!-- 取出所有验证错误 --> <form:errors path="*" /> </form:form> </body> </html>

    数据展示showgoods.jsp

    <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%> <%@page isELIgnored="false" %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> </head> <body> <table> <tr> <td>商品名</td> <td>商品详情</td> <td>商品价格</td> <td>创建日期</td> </tr> <c:forEach items="${goodsList}" var="goods"> <tr> <td>${goods.gname }</td> <td>${goods.gdescription }</td> <td>${goods.gprice }</td> <td>${goods.gdate }</td> </tr> </c:forEach> </table> </body> </html>

    spring-servlet.xml配置文件

    <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd"> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" > <!--前缀--> <property name="prefix" value="/WEB-INF/jsp/"/> <!--后缀--> <property name="suffix" value=".jsp"/> </bean> <context:component-scan base-package="control"/> <context:component-scan base-package="service"/> <!-- 配置消息属性文件 --> <bean id="messageSource" class="org.springframework.context.support.ReloadableResourceBundleMessageSource"> <!-- 资源文件名 --> <property name="basenames"> <list> <value>/WEB-INF/resource/errorMessages</value> </list> </property> <!-- 资源文件编码格式 --> <property name="fileEncodings" value="utf-8" /> <!-- 对资源文件内容缓存的时间，单位为秒 --> <property name="cacheSeconds" value="120" /> </bean> <!-- 注册校验器 --> <bean id="validator" class="org.springframework.validation.beanvalidation.LocalValidatorFactoryBean"> <!-- hibernate 校验器 --> <property name="providerClass" value="org.hibernate.validator.HibernateValidator" /> <!-- 指定校验使用的资源文件，在文件中配置校验错误信息，如果不指定则默认使用 classpath下的 VaiidationMessages.properties --> <property name="validationMessageSource" ref="messageSource" /> </bean> <!--开启 Spring的 Valid 功能 --> <mvc:annotation-driven conversion-service="conversionService" validator="validator" /> <!-- 注册格式化转换器，因为用到日期转换 --> <bean id="conversionService" class="org.springframework.format.support.FormattingConversionServiceFactoryBean"/> </beans>

    测试

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