Java 追加写入文件内容
FileWriter 类中有一构造方法是: public FileWriter(File file, boolean append)
, append
参数如为true
则追加写入; false
为覆盖写入 ;
String str = "abc";
FileWriter fileWriter;
try {
fileWriter = new FileWriter("/write.txt", true);
fileWriter.write(str + "\n");// \n: 换行; 每写入一行追加一个换行
fileWriter.close();
} catch (IOException e) {
e.printStackTrace();
}
本文来自博客园,作者:辣子鸡炒蚌,转载请注明原文链接:https://www.cnblogs.com/stearsc/p/17029734.html