文件整行读取

import java.io.BufferedReader;import java.io.File;import java.io.FileReader;import java.io.IOException;public class ReadFile {public static void main(String[] args) {File f = new File("D://insoon.sql");StringBuffer sb = new StringBuffer();BufferedReader reader = null;try {System.out.println("以行为单位读取文件内容，一次读一整行：");reader = new BufferedReader(new FileReader(f));String tempString = null;int line = 1;// 一次读入一行，直到读入null为文件结束while ((tempString = reader.readLine()) != null) {// 显示行号System.out.println("line " + line + ": " + tempString);sb.append(tempString);line++;}reader.close();} catch (IOException e) {e.printStackTrace();} finally {if (reader != null) {try {reader.close();} catch (IOException e1) {}}}}}