用java代码把内容写到Word文档?
import java.io.BufferedReader;
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import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
public class Test {
public static void main(String[] args) {
try
{
FileInputStream fr=new FileInputStream("test/123.txt");
InputStreamReader af=new InputStreamReader(fr);
BufferedReader bf=new BufferedReader(af);
FileOutputStream fo=new FileOutputStream("test/456.doc");
OutputStreamWriter osw=new OutputStreamWriter(fo);
BufferedWriter bw=new BufferedWriter(osw);
String line=bf.readLine();
while(line!=null)
{
System.out.println(line);
bw.write(line);
bw.newLine();
bw.flush();
line=bf.readLine();
}
}
catch (Exception e) {
e.printStackTrace();
}
}
}
test/123.txt里的内容写到test/456.doc下了,在你的java src中建一个test文件夹,这里是相对路径
JAVA中如何向创建一个文件并且向其中写入内容
如下代码,向D盘temp文件夹下的 test.txt 文件中写入 Hello World!
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
public class App {
public static void main(String[] args) throws IOException {
File file = new File("d:\\temp\\test.txt");
try ( FileOutputStream outputStream = new FileOutputStream(file);
OutputStreamWriter streamWriter = new OutputStreamWriter(outputStream) ) {
streamWriter.write("Hello World!");
streamWriter.flush();
}
}
}
java代码 如何向TXT文件写入内容?
向txt文件写入内容基本思路就是获得一个file对象,新建一个txt文件,打开I/O操作流,使用写入方法进行读写内容,示例如下:
package common;
import java.io.*;
import java.util.ArrayList;
public class IOTest {
public static void main (String args[]) {
ReadDate();
WriteDate();
}
/**
* 读取数据
*/
public static void ReadDate() {
String url = “e:/2.txt”;
try {
FileReader read = new FileReader(new File(url));
StringBuffer sb = new StringBuffer();
char ch[] = new char[1024];
int d = read.read(ch);
while(d!=-1){
String str = new String(ch,0,d);
sb.append(str);
d = read.read(ch);
}
System.out.print(sb.toString());
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 写入数据
*/
public static void WriteDate() {
try{
File file = new File(“D:/abc.txt”);
if (file.exists()) {
file.delete();
}
file.createNewFile();
BufferedWriter output = new BufferedWriter(new FileWriter(file));
ArrayList ResolveList = new ArrayList();
for (int i = 0; i 10; i++) {
ResolveList.add(Math.random()* 100);
}
for (int i=0 ;i
output.write(String.valueOf(ResolveList.get(i)) + “\n”);
}
output.close();
} catch (Exception ex) {
System.out.println(ex);
}
}
}
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java如何写入文件
package filewriter;
import java.io.FileWriter;
import java.io.IOException;
public class IOExceptionDemo {
private static final String LINE_SEPARATOR = System.getProperty("line.separator");
public static void main(String[] args) {
FileWriter fw = null;
try {
fw = new FileWriter("k:\\Demo.txt", true);
fw.write("hello" + LINE_SEPARATOR + "world!");
} catch (Exception e) {
System.out.println(e.toString());
} finally {
if (fw != null)
try {
fw.close();
} catch (IOException e) {
throw new RuntimeException("关闭失败!");
}
}
}
}
本文题目:java中写入文档的代码,读写文本文件Java编程
转载源于:http://scyingshan.cn/article/dsgcihh.html