filewriter.java

jsp的技术教程

import java.io.*;

public class fileWriter
{
//文件路径
private String filePath;
//写入的字符串
private String str;
//初始化
public fileWriter()
{
	filePath = null;
	str = "This is a string";
}
//设置文件路径
public void setFilePath(String filePath)
{
	this.filePath = filePath;
}
//得到文件路径
public String getFilePath()
{
	return filePath;
}
//得到字符串
public void setStr(String str)
{
	this.str = str;
}
//设置字符串
public String getStr()
{
	return str;
}
//写入字符串到文件中，成功则返回ok字符串
public String writeStr()
{
	try
	{
		File f = new File(filePath);
		PrintWriter out = new PrintWriter(new FileWriter(f));
		out.print(this.getStr() + "\n");
		out.close();
		return "ok";
	}
	catch (IOException e)
	{
		return e.toString();
	}
}
}