JAVA read TXT file, how to remove the content of the specific symbol before-CodePudding

Aaav VVB bb
Edc TGB ijb
-- -- -- -- -- -- -- -- -- -- -- -- -- -- --
Aaaa aaaa a
BBB bb bb
Cc CCC cc CCV
This TXT file, how to read only -- -- -- -- -- - the following

CodePudding user response:

Which master know?

CodePudding user response:

Have a Boolean flag=false,
The while loop, read lines, if it is -, flag=true,
If flag=true is processing data, not continue

CodePudding user response:

Judge!
Before the data is not stored at the back of the data storage is good

CodePudding user response:

How to judge, I wrote a few times always wrong

CodePudding user response:

reference 4 floor lanzhenhua response:

how to judge, I wrote a few times always wrong

Defining - add a state, the flag, when read into the bank after the flag to true, plus the if (flag) to add data

CodePudding user response:

This program is what is wrong?
List List=new ArrayList<> (a);
A Boolean flag=false;
String STR=br. ReadLine ();
While (STR!=null)
{
If (STR. The contains (" -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "))
flag=true;
STR=br. ReadLine ();
If (flag)
{
Xiaoliang xl=new xiaoliang ();
String [] s=STR. The trim (). The split (" \ \ s + ");
Xl. SetId (s [0]. ToString ());
Xl. SetZhongduan [1] (s);
Xl. SetSps [2] (s);
Xl. SetSjine [3] (s);
Xl. SetQps (s [4]. The toString ());
Xl. SetQjine (s [5]. The toString ());
Xl. SetZhuangtai (s [6]. The toString ());
List. The add (xl);
//slist. Add (s);
//strB. Append (STR) append (" & lt; Br>" );
}

}
Br. The close ();
//request. SetAttribute (" result ", message);
Request. SetAttribute (" list ", a list);

CodePudding user response:

refer to 6th floor lanzhenhua response:

this program is what is wrong?
List List=new ArrayList<> (a);
A Boolean flag=false;
String STR=br. ReadLine ();
While (STR!=null)
{
If (STR. The contains (" -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "))
flag=true;
STR=br. ReadLine ();
If (flag)
{
Xiaoliang xl=new xiaoliang ();
String [] s=STR. The trim (). The split (" \ \ s + ");
Xl. SetId (s [0]. ToString ());
Xl. SetZhongduan [1] (s);
Xl. SetSps [2] (s);
Xl. SetSjine [3] (s);
Xl. SetQps (s [4]. The toString ());
Xl. SetQjine (s [5]. The toString ());
Xl. SetZhuangtai (s [6]. The toString ());
List. The add (xl);
//slist. Add (s);
//strB. Append (STR) append (" & lt; Br>" );
}

}
Br. The close ();
//request. SetAttribute (" result ", message);
Request. SetAttribute (" list ", a list);

you here "-- -- -- -- -- -- -- -- -- -- -- -- -- -- --" the length of the need and you are consistent in a text file, or less than, now look at you for example, a text file in the end, so use the contains is not found, returns false, the program does not perform