Java：获取文件内容

Posted 2020-11-10 小田吃饺子

文章来源:https://www.cnblogs.com/hello-tl/p/9139353.html

import java.io.*;
public class FileBasicOperation {
      /**
	 * 获取文件内容
	 * @param filePath
	 * @return
	 */
	@SuppressWarnings("resource")
	public String getFileContent(String filePath){
		try {
            File file = new File(filePath);
            if (file.isFile() && file.exists()) {
                InputStreamReader read = new InputStreamReader(new FileInputStream(file), "UTF-8");
                BufferedReader bufferedReader = new BufferedReader(read);
                String lineTxt = bufferedReader.readLine();
                while (lineTxt != null) {
                    return lineTxt;
                }
            }else{
            	return "There is no file";
            }
        } catch (UnsupportedEncodingException | FileNotFoundException e) {
            System.out.println("Cannot find the file specified!");
            e.printStackTrace();
        } catch (IOException e) {
            System.out.println("Error reading file content!");
            e.printStackTrace();
        }
        return null;
	}
}   

文章来源:https://www.cnblogs.com/hello-tl/p/9139353.html