package com.learn.utils;import org.springframework.core.convert.converter.Converter;import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Date;/*** 把字符串轉換日期*/ public class StringToDateConverter implements Converter<String,Date>{/*** String source 傳入進來字符串* @param source* @return*/public Date convert(String source) {// 判斷if(source == null){throw new RuntimeException("請您傳入數據");}DateFormat df = new SimpleDateFormat("yyyy-MM-dd");try {// 把字符串轉換日期return df.parse(source);} catch (Exception e) {throw new RuntimeException("數據類型轉換出現錯誤");}}} <?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/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/mvchttp://www.springframework.org/schema/mvc/spring-mvc.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsd"><!-- 開啟注解掃描 --><context:component-scan base-package="com.learn"/><!--配置自定義類型轉換器--><bean id="conversionService" class="org.springframework.context.support.ConversionServiceFactoryBean"><property name="converters"><set><bean class="com.learn.utils.StringToDateConverter"/></set></property></bean><!-- 開啟SpringMVC框架注解的支持 --><mvc:annotation-driven conversion-service="conversionService"/></beans> package com.learn.controller;import com.learn.domain.Account; import com.learn.domain.User; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping;/*** 請求參數綁定*/ @Controller @RequestMapping("/param") public class ParamController {/*** 自定義類型轉換器* @param user* @return*/@RequestMapping("/saveUser")public String saveUser(User user){System.out.println("執行了...");System.out.println(user);return "success";}}

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