JsonDateSerializer.java

package org.maxkey.json;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.springframework.stereotype.Component;

/**
 * 日期json序列化格式.
 * 
 * @author Crystal.Sea
 *
 */

@Component
public class JsonDateSerializer extends JsonSerializer<Date> {
    private static final SimpleDateFormat dateFormat = 
            new SimpleDateFormat("yyyy-MM-dd");

    @Override
    public void serialize(Date date, JsonGenerator gen, SerializerProvider provider)
            throws IOException, JsonProcessingException {
        String formattedDate = dateFormat.format(date);
        gen.writeString(formattedDate);
    }
}