import java.io.file;
import java.io.filenotfoundexception;
import java.io.fileoutputstream;
import java.io.filewriter;
import java.io.ioexception;
import java.io.printstream;
import java.io.printwriter;
import java.io.randomaccessfile;
public class writestringtotxt {
public void writestringtofile(string filepath) {
try {
file file = new file(filepath);
printstream ps = new printstream(new fileoutputstream(file));
ps.println("http://www.jb51.net");// 往文件里写入字符串
ps.append("http://www.jb51.net");// 在已有的基础上添加字符串
} catch (filenotfoundexception e) {
// todo auto-generated catch block
e.printstacktrace();
}
}
public void writestringtofile2(string filepath) {
try {
filewriter fw = new filewriter(filepath, true);
bufferedwriter bw = new bufferedwriter(fw);
bw.append("在已有的基础上添加字符串");
bw.write("abc\r\n ");// 往已有的文件上添加字符串
bw.write("def\r\n ");
bw.write("hijk ");
bw.close();
fw.close();
} catch (exception e) {
// todo auto-generated catch block
e.printstacktrace();
}
}
public void writestringtofile3(string filepath) {
try {
printwriter pw = new printwriter(new filewriter(filepath));
pw.println("abc ");
pw.println("def ");
pw.println("hef ");
pw.close();
} catch (ioexception e) {
// todo auto-generated catch block
e.printstacktrace();
}
}
public void writestringtofile4(string filepath) {
try {
randomaccessfile rf = new randomaccessfile(filepath, "rw");
rf.writebytes("op\r\n");
rf.writebytes("app\r\n");
rf.writebytes("hijklllll");
rf.close();
} catch (ioexception e) {
e.printstacktrace();
}
}
public void writestringtofile5(string filepath) {
try {
fileoutputstream fos = new fileoutputstream(filepath);
string s = "http://www.jb51.netl";
fos.write(s.getbytes());
fos.close();
} catch (exception e) {
// todo auto-generated catch block
e.printstacktrace();
}
}
public static void main(string[] args) {
string filepath = "e:\\link.txt";
// new writestringtotxt().writestringtofile(filepath);
// new writestringtotxt().writestringtofile2(filepath);
// new writestringtotxt().writestringtofile3(filepath);
// new writestringtotxt().writestringtofile4(filepath);
new writestringtotxt().writestringtofile5(filepath);
}
}
更多java的io操作(将字符串写入到txt文件中)。