把一个字符串写进文件

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public void writefile(String str,String path )  

        {  

            File file;  

            FileOutputStream out;  

             try {  

                 //创建文件  

                 file = new File(path);  

                 file.createNewFile();  

                   

                 //打开文件file的OutputStream  

                 out = new FileOutputStream(file);  

                 String infoToWrite = str;  

                 //将字符串转换成byte数组写入文件  

                 out.write(infoToWrite.getBytes());  

                 //关闭文件file的OutputStream  

                 out.close();  

                   

                   

             } catch (IOException e) {  

                 //将出错信息打印到Logcat   

              DisplayToast(e.toString());  

                   

             }  

        } 

public void writefile(String str,String path )

           {

                  File file;

                  FileOutputStream out;

                   try {

                    //创建文件

                          file = new File(path);

                    file.createNewFile();

                   

                    //打开文件file的OutputStream

                    out = new FileOutputStream(file);

                    String infoToWrite = str;

                    //将字符串转换成byte数组写入文件

                    out.write(infoToWrite.getBytes());

                    //关闭文件file的OutputStream

                    out.close();

                   

                   

                } catch (IOException e) {

                    //将出错信息打印到Logcat

                  DisplayToast(e.toString());

                   

                }

           }