Springmvc请求参数类型转换器及原生api代码实例
一、springmvc的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:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
https://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
https://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/mvc
https://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!--扫描组件-->
<context:component-scan base-package="com.wuxi"></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>
<property name="suffix" value=".jsp"></property>
</bean>
<!--参数类型装换器-->
<bean id="conversionService" class="org.springframework.context.support.ConversionServiceFactoryBean">
<property name="converters">
<set>
<bean class="com.wuxi.utils.StringToDateConverter"></bean>
</set>
</property>
</bean>
<!--开启springmvc框架注解的支持-->
<mvc:annotation-driven conversion-service="conversionService"></mvc:annotation-driven>
</beans>
二、转换的类
package com.wuxi.utils;
import org.springframework.core.convert.converter.Converter;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
public class StringToDateConverter implements Converter<String, Date> {
@Override
public Date convert(String string) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Date date = null;
try {
date = sdf.parse(string);
} catch (ParseException e) {
e.printStackTrace();
}
return date;
}
}
三、接口
@RequestMapping("/student")
public String student(Student student, HttpServletRequest request, HttpServletResponse response) {
System.out.println(student);
return "success";
}
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