我在写入文件的时候用了"\n",但是它换不了行。
public static void generatefile(String from,String subject,String date,String content,int num)throws Exception{
OutputStream out1=new FileOutputStream("message"+num+".txt");
out1.close();
FileWriter fw = new FileWriter("message"+num+".txt");
PrintWriter out=new PrintWriter(fw);
out.write(from+"\n"+subject+"\n"+date+"\n"+content);
out.println();
out.flush();
out.close();
}
这个from和subject之间是连着的换不了行,subject和date直接也是。
public static void generatefile(String from,String subject,String date,String content,int num)throws Exception{
OutputStream out1=new FileOutputStream("message"+num+".txt");
out1.close();
FileWriter fw = new FileWriter("message"+num+".txt");
PrintWriter out=new PrintWriter(fw);
out.write(from+"\n"+subject+"\n"+date+"\n"+content);
out.println();
out.flush();
out.close();
}
这个from和subject之间是连着的换不了行,subject和date直接也是。
解决方案 »
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