一、InitBinder绑定:对于当前controller有效
@InitBinder
public void init(WebDataBinder binder) {
binder.registerCustomEditor(Date.class, new CustomDateEditor(new SimpleDateFormat("yyyy-MM-dd"), true));
}
二、注解转换:在实体对应的属性上加注解
@DateTimeFormat(pattern = "yyyy-MM-dd")
三、全局绑定
import com.guodi.common.comp.StringToDateConverter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.convert.support.GenericConversionService;
import org.springframework.web.bind.support.ConfigurableWebBindingInitializer;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter;
import javax.annotation.PostConstruct;
@Configuration
public class WebConfigBeans {
@Autowired
private RequestMappingHandlerAdapter handlerAdapter;
/**
* 增加字符串转日期的功能
*/
@PostConstruct
public void initEditableAvlidation() {
ConfigurableWebBindingInitializer initializer = (ConfigurableWebBindingInitializer)handlerAdapter.getWebBindingInitializer();
if(initializer.getConversionService()!=null) {
GenericConversionService genericConversionService = (GenericConversionService)initializer.getConversionService();
genericConversionService.addConverter(new StringToDateConverter());
}
}
}
import org.springframework.core.convert.converter.Converter;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
public class StringToDateConverter implements Converter<String, Date> {
private static final List<String> formarts = new ArrayList<String>(4);
static{
formarts.add("yyyy-MM");
formarts.add("yyyy-MM-dd");
formarts.add("yyyy-MM-dd hh:mm");
formarts.add("yyyy-MM-dd hh:mm:ss");
formarts.add("yyyy/MM");
formarts.add("yyyy/MM/dd");
formarts.add("yyyy/MM/dd hh:mm");
formarts.add("yyyy/MM/dd hh:mm:ss");
}
@Override
public Date convert(String source) {
String value = source.trim();
if ("".equals(value)) {
return null;
}
if(source.contains("-")){
if(source.matches("^\\d{4}-\\d{1,2}$")){
return parseDate(source, formarts.get(0));
}else if(source.matches("^\\d{4}-\\d{1,2}-\\d{1,2}$")){
return parseDate(source, formarts.get(1));
}else if(source.matches("^\\d{4}-\\d{1,2}-\\d{1,2} {1}\\d{1,2}:\\d{1,2}$")){
return parseDate(source, formarts.get(2));
}else if(source.matches("^\\d{4}-\\d{1,2}-\\d{1,2} {1}\\d{1,2}:\\d{1,2}:\\d{1,2}$")){
return parseDate(source, formarts.get(3));
}else {
throw new IllegalArgumentException("Invalid boolean value '" + source + "'");
}
}else{
if(source.matches("^\\d{4}/\\d{1,2}$")){
return parseDate(source, formarts.get(0));
}else if(source.matches("^\\d{4}/\\d{1,2}/\\d{1,2}$")){
return parseDate(source, formarts.get(1));
}else if(source.matches("^\\d{4}/\\d{1,2}/\\d{1,2} {1}\\d{1,2}:\\d{1,2}$")){
return parseDate(source, formarts.get(2));
}else if(source.matches("^\\d{4}/\\d{1,2}/\\d{1,2} {1}\\d{1,2}:\\d{1,2}:\\d{1,2}$")){
return parseDate(source, formarts.get(3));
}else {
throw new IllegalArgumentException("Invalid boolean value '" + source + "'");
}
}
}
/**
* 功能描述:格式化日期
*
* @param dateStr
* String 字符型日期
* @param format
* String 格式
* @return Date 日期
*/
public Date parseDate(String dateStr, String format) {
Date date=null;
try {
DateFormat dateFormat = new SimpleDateFormat(format);
date = (Date) dateFormat.parse(dateStr);
} catch (Exception e) {
}
return date;
}
}
参考地址:https://blog.csdn.net/JaCman/article/details/51285816
https://blog.csdn.net/fansili/article/details/78366874