package com.hope.utils;import org.springframework.core.convert.converter.Converter;import org.springframework.util.StringUtils;import java.text.DateFormat;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Date;/** 第一步定义一个类型转换器的类 * @author newcityman * @date 2019/11/26 - 19:57 */public class StringToDateConverter implements Converter<String,Date>{ /** * * @param source * @return */ @Override public Date convert(String source) { if(StringUtils.isEmpty(source)){ throw new RuntimeException("参数不能为空，请输入一个参数。"); } DateFormat df = new SimpleDateFormat("yyyy-MM-dd"); try { return df.parse(source); } catch (ParseException e) { throw new RuntimeException("日期转换失败，请联系管理员。"); } }}// 第二步，在springmvc.xml中配置自定义类型转换器
<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> <!--指定spring扫描的包--> <context:component-scan base-package="com.hope"></context:component-scan> <!--视图解析器--> <bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/pages/"/> <property name="suffix" value=".jsp"/> </bean> <!--配置自定义类型转换器--> <bean id="conversionService" class="org.springframework.context.support.ConversionServiceFactoryBean"> <property name="converters"> <set> <bean class="com.hope.utils.StringToDateConverter"></bean> </set> </property> </bean> <!--开启springmvc框架注解的支持,包含开启处理器映射器和处理器适配器--> <mvc:annotation-driven conversion-service="conversionService"/></beans>
