java.io读写文本
/**
* 读取文本文件的配置信息
* @throws IOException
* */
public static String readTxtFile() throws IOException{
String read;
BufferedReader bufread= new BufferedReader(new FileReader(filename));
while((read=bufread.readLine())!=null){
readStr=(readStr+read);
}
System.out.println("读取配置文件信息:"+readStr);
return readStr;
}
/**
* 修改配文件信息
* */
public static void replaceTxtByStr(String replaceStr) throws IOException{
//false代表覆盖原有内容,true代表直接追加
BufferedWriter writer = new BufferedWriter(new FileWriter(new File("other/动态连接数据库配置文件.text"), false));
writer.write(replaceStr);
writer.flush();
writer.close();
}