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javaÈÕÆÚ´¦Àí - Java / Java SE

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±ÈÈçÊäÈë20090905£¬¾ÍÊäÈë20090901 20090910
Êä³ö20090901 20090910

È¡µÃÌìÊýºó×÷Ò»ÏÂÅжÏÔÙ°ÑÕâ¸ö·½·¨ÓÃÏÂvoid set(int field, int value)  

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ÏȽØÈ¡³öÄêÔÂÈÕ (d="20090905")
year=Integer.valueOf(d.substring(0,4));
month=Integer.valueOf(d.substring(4,6));
day=Integer.valueOf(d.substring(6,8));

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public String getTime(String s){
java.util.Date d=null;
try {
d=(java.util.Date)new SimpleDateFormat("yyyyMMdd").parse(s);
} catch (ParseException e) {
e.printStackTrace();
}
String s1=new java.sql.Date(d.getTime()-5*86400000).toString().replaceAll("-", "");//Ç°5Ìì
String s2=new java.sql.Date(d.getTime()+5*86400000).toString().replaceAll("-", "");//ºó5Ìì
System.out.println(s1+" "+s2);
return s1+" "+s2;
}

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public static void getTime() {
String str = "20090225";
StringBuilder sb = new StringBuilder();
Date date = null;
try {
date = dateformat.parse(str);
} catch (ParseException e) {
// TODO Auto-generated catch block
e.p[code=Java][/c


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java appletÔÚhtmlÖÐÎÞ·¨ÏÔʾ

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Java RandomAccessFile дÈëtxtÎļþ - Java / Java SE

ÓÃRandomAccessFileдÈëTXTÎļþ²é¿´Ê±ÊÇÂÒÂ룬ÇëÎÊÓÐʲô·½·¨¿ÉÒÔд³É¿É¶ÁµÄÎļþ£¬²»ÊÇÓÃÆäËûµÄÎļþ²Ù×÷£¬¾ÍÊÇÖ»ÓÃRandomAccessFileµÄ·½·¨ÊÇ·ñ¿ÉÒÔʵÏÖ£¿
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