txt写入工具类

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txt写入工具类

import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;

public class TxtWriter { 

private static String path = "D:/html/";  
private static String filenameTemp;  

public static void main(String\[\] args) throws IOException {

// TxtWriter.creatTxtFile(“你好”);
TxtWriter.writeTxtFile(“test”,”helloworld”);
} 

/** 
 * 创建文件 
 *  
 * @throws IOException 
 */  
public static boolean creatTxtFile(String name) throws IOException {  
    boolean flag = false;  
    filenameTemp = path + name + ".txt";  
    File filename = new File(filenameTemp);  
    if (!filename.exists()) {  
        filename.createNewFile();  
        flag = true;  
    }  
    return flag;  
}  

/** 
 * 写文件 
 *  
 * @param newStr 
 *            新内容 
 * @throws IOException 
 */  
public static boolean writeTxtFile(String name,String content) throws IOException {  
    // 先读取原有文件内容，然后进行写入操作  
    boolean flag = false;   

    InputStreamReader isr = null;  
    BufferedReader br = null;  

    FileOutputStream fos = null;  
    PrintWriter pw = null;  
    try {  
        // 文件路径  
         filenameTemp = path + name + ".html";   
        File file = new File(filenameTemp);  


        fos = new FileOutputStream(file);  
        pw = new PrintWriter(fos);  
        pw.write(content.toCharArray());  
        pw.flush();  
        flag = true;  
    } catch (IOException e1) {  
        throw e1;  
    } finally {  
        if (pw != null) {  
            pw.close();  
        }  
        if (fos != null) {  
            fos.close();  
        }  
        if (br != null) {  
            br.close();  
        }  
        if (isr != null) {  
            isr.close();  
        }  

    }  
    System.out.println("文件"+filenameTemp+"生成成功！");
    return flag;  
}

}

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