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//Îå¸öÀà
--|fileÀֱࣺ½ÓÓëÎļþ±¾ÉíÓйØÏµ
--|×Ö½ÚÁ÷ OutputStream InputStream 
--|×Ö·ûÁ÷ Writer Reader
´æ·ÅÔÚÎļþÖеͼÊÇ×Ö½Ú¡£¶ø¶Áµ½ÄÚ´æÖвſÉÄܱä³É×Ö·û
´òÓ¡Á÷£ºprintStream/PrintWriter:ÌṩÁ˸÷ÖÖ´òÓ¡¹¦ÄÜ£¬¿ÉÒÔÊä³öÈÎÒâµÄÄÚÈÝ£¬¸ù¾ÝʵÀý»¯¶ÔÏóµÄ²»Í¬
Êä³öµÄλÖÃÒ²²»Í¬

package java11.IO;
import java.io.*;
public class FileTest
{
public static void main(String args[]){

makeDir("D:\\ACM");
}
//ÔËÓõݹé²Ù×÷´òÓ¡ËùÓеÄĿ¼
public static void makeDir(String dir){

try{
File f = new File(dir);
String str[] = null;
if(f.isDirectory()){
str = f.list();
for(int i =0;i<str.length ; i++){
//separatorChar=="\\"
//makeDir(dir+"\\"+str[i]);
makeDir(dir+f.separatorChar+str[i]);
}
}else{
System.out.println(dir);
}

}catch(Exception e){

}

}
}
package java11.IO;
import java.io.*;
public class OutputStreamTest
{
//OutputStream||InputStream¶¼ÊDzÙ×÷×Ö½ÚҪͨ¹ýbyte½øÐÐת»»
//Èç¹ûÍü¼Ç¹Ø±ÕÁË¡£ÔòÊÇÒ»Ñù¿ÉÒÔдÈëÊý¾ÝµÄ¡£
//µ«ÊÇ×Ö·ûÁ÷²»¹Ø±Õ£¬ÄÚ´æÖеÄÊý¾Ý²»»áÇ¿ÖÆµÄÊäÈëµ½Îļþ£¬×Ö·ûÁ÷
//ÖÐʹÓÃÁË»º´æ£¬ÔڹرÕʱ»áÇ¿ÖÆÐÔÇå¿Õ»º´æ£¬¿ÉÒÔͨ¹ýflush·½·¨
//½øÐÐÊÖ¹¤Çå¿Õ¡£
//Á½ÕßÖ®¼ä×î´óµÄÇø±ðÔÚÓÚ£¬×Ö·ûÁ÷ʹÓÃÁË»º´æ£¬¶ø×Ö½ÚÁ÷ÔòûÓÐÓõ½
public static void main(String args []){

//writeOutputStream();
//readInputStream();
//outputWriter();
inputRead();
}
public static void writeOutputStream(){
//Òª²Ù×÷µÄÎļþ
File f = new File("D:\\outputStram.txt");
OutputStream out = null;
//ͨ¹ý×ÓÀàFileOutputStream½øÐÐʵÀý»¯
try{

out = new FileOutputStream(f);
}catch(Exception e){
}
//½«×Ö·û´®×ª»¯ÎªbyteÊý×é
String name = "hao 123..";
byte [] b = name.getBytes();
try{
out.write(b);
}catch(Exception e){
}
try{
//¹Ø±Õ
out.close();
}catch(Exception e){
}
}
public static void outputWriter(){
//Òª²Ù×÷µÄÎļþ
File f = new File("D:\\outputStram.txt");
Writer out = null;
//ͨ¹ý×ÓÀàFileOutputStream½øÐÐʵ


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1Calendar time=Calendar.getInstance();
2time.clear();
3time.set(Calendar.YEAR,year); //year Ϊ int
4time.set(Calendar.MONTH,i-1);//×¢Òâ,Calendar¶ÔÏóĬÈÏÒ»ÔÂΪ0
5int day=time.getActualMaximum(Calendar.DAY_OF_MONTH);//±¾Ô·ݵÄÌìÊý
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private PreparedStatement pstmt;
String sql="INSERT INTO TABLE(id,Ãû³Æ,Óû§id,Stbid,MAC,Óû§×´Ì¬,×Ü´ÎÊý,IpµØÖ·,×ÊÁϸüÐÂʱ¼ä) " +
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 pstmt=connection.prepareStatement(sql);
 pstmt.setString(1,array[0]);
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