聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng) 鍦ㄧ湅鍒拌繖涓被鐨勫悕瀛楀悗浣犱竴瀹氳涓哄畠浠ｈ〃涓涓枃浠訛紝浜嬪疄涓婅繖鏍瘋涓哄茍涓嶅噯紜紝鍥犱負(fù)Java涓殑File綾誨彲浠ヤ唬琛ㄦ枃浠朵篃鍙互浠ｈ〃鐩綍銆傚湪API doc涓鏄庝簡(jiǎn)榪欎竴鐐癸紝鍚屾椂鎶奆ile鐢╝bstract pathname鏉ヤ唬琛ㄣ備笉榪囨兂鎯崇洰褰曚笉涔熷氨鏄壒孌婄殑鏂囦歡鍚楋紵
聽(tīng)聽(tīng)聽(tīng) File鐨勪嬌鐢ㄩ潪甯哥殑綆鍗曪紝瀹冩湁鍥涗釜鏋勯犲嚱鏁幫細(xì)
File(String parent,String child)
File(File parent,String child)
File(URI uri)
File(String pathname)
鍏朵腑鍓嶉潰涓や釜鍙互璁╂垜浠湪鏌愪釜宸茬煡鐗瑰畾鐨勭洰褰曚笅鏂板緩鏂囦歡鎴栬呯洰褰曪紝鍚庨潰涓や釜鎴戜滑鍙互閫氳繃pathname鎴栬匲RI鏂板緩鏂囦歡鎴栬呯洰褰曘傛湁涓鐐歸渶瑕佹敞鎰忥紝File铏界劧鏄竴涓郴緇熸棤鍏崇殑浠ｈ〃錛屼絾鏄痯athname鐨勮〃紺烘槸鍜岀郴緇熺浉鍏崇殑錛屾瘮濡俇NIX涓?/"琛ㄧずroot鐩綍錛岃寃indows涓嬮氬父鐢ㄧ洏絎︽潵琛ㄧず銆傛瘮濡傜粷瀵硅礬寰凜:helloworldmingjava,濡傛灉鏄浉瀵硅礬寰勭殑璇濆垯涓嶄互"/"寮澶達(dá)紝涓鑸浉瀵硅礬寰勬槸鐩稿褰撳墠鐩綍鐨勩傚綋鎴戜滑鍒涘緩涓涓狥ile鐨勬椂鍊欏彲浠ラ氳繃exists()鏂規(guī)硶鍒ゆ柇瀹冩槸鍚﹀瓨鍦紝濡傛灉涓嶅瓨鍦ㄦ垜浠彲浠ラ夋嫨鏄垱寤轟負(fù)鏂囦歡榪樻槸鍒涘緩涓虹洰褰曘備緥濡?br />聽(tīng)File file = new File("hehe");
聽(tīng)聽(tīng)if(!file.exists())
聽(tīng)聽(tīng){
聽(tīng)聽(tīng)聽(tīng)file.mkdir();聽(tīng)
聽(tīng)聽(tīng)}聽(tīng)
聽(tīng)for(int i=0;i <5;i++)
聽(tīng)聽(tīng)聽(tīng){
聽(tīng)聽(tīng)聽(tīng)聽(tīng)File listFile = new File(nextFile,"ming"+i+".txt");
聽(tīng)聽(tīng)聽(tīng)聽(tīng)if(!listFile.exists())
聽(tīng)聽(tīng)聽(tīng)聽(tīng){
聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)listFile.createNewFile();聽(tīng)
聽(tīng)聽(tīng)聽(tīng)聽(tīng)}
聽(tīng)聽(tīng)聽(tīng)
聽(tīng)聽(tīng)聽(tīng)}
濡傛灉鎴戜滑宸茬粡鐭ラ亾涓涓狥ile瀵硅薄錛屽笇鏈涘湪浠栫殑鐩綍涔嬩笅鏂板緩鏂囦歡錛岄偅涔堝氨鍙互浣跨敤絎竴涓瀯閫犲櫒浜?jiǎn)銆傛瘮濡?br />File nextFile = new File(file,"ming\hehe");
聽(tīng)聽(tīng)if(!nextFile.exists())
聽(tīng)聽(tīng){
聽(tīng)聽(tīng)聽(tīng)nextFile.mkdirs();聽(tīng)
聽(tīng)聽(tīng)}
娉ㄦ剰鍒涘緩澶氬眰鐩綍鐨勬椂鍊欒鐢╩kdirs()銆傛垜浠繕鍙互鍒椾婦鍑轟竴涓洰褰曚笅鐨勬枃浠跺垪琛紝閫氳繃list()鏂規(guī)硶鍙互寰楀埌涓涓猄tring[]綾誨瀷鐨勬暟緇勶紝榪欏氨鏄洰褰曚笅鐨勬枃浠跺悕縐般?br />聽(tīng)String[] list = nextFile.list();
聽(tīng)聽(tīng)聽(tīng)for(int j = 0;j<list.length;j++)
聽(tīng)聽(tīng)聽(tīng){
聽(tīng)聽(tīng)聽(tīng)聽(tīng)System.out.println(list[j]);聽(tīng)
聽(tīng)聽(tīng)聽(tīng)}
File鐨勪嬌鐢ㄥ茍涓嶅鏉傦紝濡傛灉鏈夐棶棰樺鍙傝冧竴涓婣PI doc涓鑸氨鍙互瑙ｅ喅浜?jiǎn)锛屼笅闈㈡槸鎴戝啓鐨勪竴涓皬渚嬪瓙錛岃鏄庡浣曚嬌鐢‵ile鏂囦歡銆?br />import java.io.*;
import java.net.*;
public class TestFile
{
聽(tīng)public static void main(String[] args) throws IOException
聽(tīng){
聽(tīng)聽(tīng)File file = new File("hehe");
聽(tīng)聽(tīng)if(!file.exists())
聽(tīng)聽(tīng){
聽(tīng)聽(tīng)聽(tīng)file.mkdir();聽(tīng)
聽(tīng)聽(tīng)}聽(tīng)
聽(tīng)聽(tīng)File nextFile = new File(file,"ming\hehe");
聽(tīng)聽(tīng)if(!nextFile.exists())
聽(tīng)聽(tīng){
聽(tīng)聽(tīng)聽(tīng)nextFile.mkdirs();聽(tīng)
聽(tīng)聽(tīng)}
聽(tīng)聽(tīng)System.out.println(nextFile.getParent());
聽(tīng)聽(tīng)
聽(tīng)聽(tīng)if(nextFile.isDirectory())
聽(tīng)聽(tīng){
聽(tīng)聽(tīng)聽(tīng)File newFile = new File(nextFile,"ming.txt");
聽(tīng)聽(tīng)聽(tīng)if(!newFile.exists())
聽(tīng)聽(tīng)聽(tīng){
聽(tīng)聽(tīng)聽(tīng)聽(tīng)newFile.createNewFile();
聽(tīng)聽(tīng)聽(tīng)聽(tīng)System.out.println(newFile.getName());
聽(tīng)聽(tīng)聽(tīng)聽(tīng)System.out.println(newFile.getAbsoluteFile());
聽(tīng)聽(tīng)聽(tīng)聽(tīng)
聽(tīng)聽(tīng)聽(tīng)}
聽(tīng)聽(tīng)聽(tīng)for(int i=0;i <5;i++)
聽(tīng)聽(tīng)聽(tīng){
聽(tīng)聽(tīng)聽(tīng)聽(tīng)File listFile = new File(nextFile,"ming"+i+".txt");
聽(tīng)聽(tīng)聽(tīng)聽(tīng)if(!listFile.exists())
聽(tīng)聽(tīng)聽(tīng)聽(tīng){
聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)listFile.createNewFile();聽(tīng)
聽(tīng)聽(tīng)聽(tīng)聽(tīng)}
聽(tīng)聽(tīng)聽(tīng)
聽(tīng)聽(tīng)聽(tīng)}
聽(tīng)聽(tīng)聽(tīng)String[] list = nextFile.list();
聽(tīng)聽(tīng)聽(tīng)for(int j = 0;j<list.length;j++)
聽(tīng)聽(tīng)聽(tīng){
聽(tīng)聽(tīng)聽(tīng)聽(tīng)System.out.println(list[j]);聽(tīng)
聽(tīng)聽(tīng)聽(tīng)}聽(tīng)聽(tīng)
聽(tīng)聽(tīng)}
聽(tīng)聽(tīng)
聽(tīng)聽(tīng)
聽(tīng)}聽(tīng)
}
榪愯緇撴灉:
hehe\ming
ming.txt
D:\涓存椂璧勬枡\temp\hehe\ming\hehe\ming.txt
ming.txt
ming0.txt
ming1.txt
ming2.txt
ming3.txt
ming4.txt