java读取某个文件夹下的所有文件
学习java基础知识，读取文件，读取某个文件夹，需要读取所有文件，如何实现呢，看下实例代码。
实例代码：
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import java.io.filenotfoundexception;
import java.io.ioexception;
import java.io.file;
public class readfile {
public readfile() {
}
/**
* 读取某个文件夹下的所有文件
*/
public static boolean readfile(string filepath) throws filenotfoundexception, ioexception {
try {
file file = new file(filepath);
if (!file.isdirectory()) {
system.out.println("文件");
system.out.println("path=" + file.getpath());
system.out.println("absolutepath=" + file.getabsolutepath());
system.out.println("name=" + file.getname());
} else if (file.isdirectory()) {
system.out.println("文件夹");
string[] filelist = file.list();
for (int i = 0; i < filelist.length; i++) {
file readfile = new file(filepath + "\\" + filelist[i]);
if (!readfile.isdirectory()) {
system.out.println("path=" + readfile.getpath());
system.out.println("absolutepath="
+ readfile.getabsolutepath());
system.out.println("name=" + readfile.getname());
} else if (readfile.isdirectory()) {
readfile(filepath + "\\" + filelist[i]);
}
}
}
} catch (filenotfoundexception e) {
system.out.println("readfile() exception:" + e.getmessage());
}
return true;
}
/**
* 删除某个文件夹下的所有文件夹和文件
*/
/*public static boolean deletefile(string delpath)
throws filenotfoundexception, ioexception {
try {
file file = new file(delpath);
if (!file.isdirectory()) {
system.out.println("1");
file.delete();
} else if (file.isdirectory()) {
system.out.println("2");
string[] filelist = file.list();
for (int i = 0; i < filelist.length; i++) {
file delfile = new file(delpath + "\\" + filelist[i]);
if (!delfile.isdirectory()) {
system.out.println("path=" + delfile.getpath());
system.out.println("absolutepath="
+ delfile.getabsolutepath());
system.out.println("name=" + delfile.getname());
delfile.delete();
system.out.println("删除文件成功");
} else if (delfile.isdirectory()) {
deletefile(delpath + "\\" + filelist[i]);
}
}
file.delete();
}
} catch (filenotfoundexception e) {
system.out.println("deletefile() exception:" + e.getmessage());
}
return true;
}*/
public static void main(string[] args) {
try {
readfile("e:/videos");
// deletefile("d:/file");
} catch (filenotfoundexception ex) {
} catch (ioexception ex) {
}
system.out.println("ok");
}
}
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