JAVA将搜索数组结果打印到文件
在下面的代码中,我可以完成我试图对控制台执行的操作。 如何将控制台中的相同数据输出到文本文件JAVA将搜索数组结果打印到文件,java,arrays,design-patterns,text-files,Java,Arrays,Design Patterns,Text Files,在下面的代码中,我可以完成我试图对控制台执行的操作。 如何将控制台中的相同数据输出到文本文件 package javaapplication4; import java.io.*; import java.util.Scanner; import java.util.logging.Level; import java.util.logging.Logger; import java.util.regex.Pattern; public class JavaApplication4 {
package javaapplication4;
import java.io.*;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Pattern;
public class JavaApplication4 {
public static void main(String[] args) throws IOException {
Scanner s = null;
try {
s = new Scanner(new BufferedReader(new FileReader("C:/Users/Daniel/Desktop/Cleaned.txt")));
s.useDelimiter("\\*");
String total = (s.next());
Pattern p = Pattern.compile("\\n[\\n]+");
String[] parts = p.split(total);
boolean searchArrayResult = false;
for (String str : parts) {
searchArrayResult = str.contains("1ST COAT BASIS WT");
if (searchArrayResult) {
System.out.println(str);
}
}
while (s.hasNext()) {
}
} catch (FileNotFoundException ex) {
Logger.getLogger(JavaApplication4.class.getName()).log(Level.SEVERE, null, ex);
} finally {
if (s != null) {
s.close();
}
}
}
}
我试图补充
BufferedWriter bwr = new BufferedWriter(new FileWriter(new File("C:/Users/Daniel/Desktop/Cleaned1.txt")));
bwr.write(stringBuffer.toString());
bwr.flush();
bwr.close();
但它只会打印带有搜索词的最后一个数组。将数据输出到如下文件中
try {
s = new Scanner(new BufferedReader(new FileReader("C:/Users/Daniel/Desktop/Cleaned.txt")));
s.useDelimiter("\\*");
String total = (s.next());
Pattern p = Pattern.compile("\\n[\\n]+");
String[] parts = p.split(total);
boolean searchArrayResult = false;
java.io.File targetFile =new java.io.File("op.txt");
java.io.FileWriter filew=new java.io.FileWriter(targetFile);
java.io.PrintWriter print=new java.io.PrintWriter(filew,true);
for (String str : parts) {
searchArrayResult = str.contains("1ST COAT BASIS WT");
if (searchArrayResult) {
//System.out.println(str);
print.println(str);
}
}
while (s.hasNext()) {
}
} catch (Exception ex) { }
这会将相同的输出打印到文件中您使用的是哪个IDE?请参阅:非常感谢nikhilk…就在money@DanielLaRue你为什么不接受这个答案呢。非常感谢。