日期校验

import java.text.*;
public class Test{
public static java.util.Date str2date(String s, String pattern){

SimpleDateFormat df = (SimpleDateFormat)DateFormat.getDateInstance();


synchronized(df) {

df.applyPattern(pattern);


df.setLenient(false);

try {

java.util.Date date = df.parse(s);

return date;

} catch(Exception e) {
}
}

return null;
}

public static void main(String [] args){
System.out.print(Test.str2date("19880111","yyyyMMdd"));
}
}