spring属性编辑器两种实现方式

1.使用自定义属性编辑器

编写自定义属性编辑器*（继承PropertyEditorSupport 实现setAsText）*

package com.hl.test.propertyEditor;import java.beans.PropertyEditorSupport;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Date;public class DatePropertyEditor extends PropertyEditorSupport {    private String format="yyyy-MM-dd";    public void setFormat(String format){        this.format=format;    }    @Override    public void setAsText(String text) throws IllegalArgumentException {         SimpleDateFormat dateFormat = new SimpleDateFormat(format);          try {            Date d=dateFormat.parse(text);            this.setValue(d);        } catch (ParseException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }    }}

注册到spring中

<bean id="customEditorConfigurer"        class="org.springframework.beans.factory.config.CustomEditorConfigurer">        <property name="customEditors">            <map>                <entry key="java.util.Date" value="com.hl.test.propertyEditor.DatePropertyEditor" />            </map>        </property>    </bean>

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2.注册spring自带属性编辑器

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定义属性编辑器

public class DatePropertyEditorRegistrar implements PropertyEditorRegistrar{    public void registerCustomEditors(PropertyEditorRegistry registry) {        registry.registerCustomEditor(Date.class, new CustomDateEditor(new SimpleDateFormat("yyyy-MM-dd"), true));    }}

注册自带属性编辑器

<bean class="org.springframework.beans.factory.config.CustomEditorConfigurer">        <property name="propertyEditorRegistrars">            <bean id="datePropertyEditorRegistrar" class="com.hl.test.propertyEditor.DatePropertyEditorRegistrar"/>         </property>    </bean>

两种方式皆可实现