public class DateEditor extends PropertyEditorSupport {
private static final DateFormat TIMEFORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
private DateFormat dateFormat;
private boolean allowEmpty = true;
public DateEditor() {
}
public DateEditor(DateFormat dateFormat) {
this.dateFormat = dateFormat;
}
public DateEditor(DateFormat dateFormat, boolean allowEmpty) {
this.dateFormat = dateFormat;
this.allowEmpty = allowEmpty;
}
/**
* Parse the Date from the given text, using the specified DateFormat.
*/
@Override
public void setAsText(String text) throws IllegalArgumentException {
if (this.allowEmpty && !StringUtils.hasText(text)) {
// Treat empty String as null value.
setValue(null);
} else {
try {
if(this.dateFormat != null)
setValue(this.dateFormat.parse(text));
else {
setValue(TIMEFORMAT.parse(text));
}
} catch (ParseException ex) {
throw new IllegalArgumentException("Could not parse date: " + ex.getMessage(), ex);
}
}
}
/**
* Format the Date as String, using the specified DateFormat.
*/
@Override
public String getAsText() {
Date value = (Date) getValue();
DateFormat dateFormat = this.dateFormat;
if(dateFormat == null)
dateFormat = TIMEFORMAT;
return (value != null ? dateFormat.format(value) : "");
}
}
@InitBinder
protected void initBinder(HttpServletRequest request,
ServletRequestDataBinder binder) throws Exception {
//对于需要转换为Date类型的属性，使用DateEditor进行处理
binder.registerCustomEditor(Date.class, new DateEditor());
}