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java 将数据写进文件

/*
每次只写入一行数据 只需要调用特定的
方法即可。
*/


package com.second.File;


import java.io.*;


/**
* Created by hasee on 2016/11/15.
*/
public class WriteFile {
private BufferedWriter bw = null;

public int openWrite(String address, String strCodeFormat) {
if (strCodeFormat == null || address == null || address.length() == 0 || strCodeFormat.length() == 0) {
//错误代码 101 输入的信息为空
return 101;
}
try {
bw = new BufferedWriter(
new OutputStreamWriter(
new FileOutputStream(address), strCodeFormat));
return 1;
} catch (FileNotFoundException e) {
e.printStackTrace();
return 204;
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
return 201;
}
}

public int save(String strLine) {
if (bw == null) {
return 301;
}
try {
bw.write(strLine);
return 1;
} catch (IOException e) {
e.printStackTrace();
}
return 0;
}

public int closeWrite() {
if (bw == null) {
return 301;
}
try {
bw.close();
return 1;
} catch (IOException e) {
e.printStackTrace();
return 301;
}
}
}

java 将数据写进文件