Java之修改文件内容：字符串逐行替换
依赖包：
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.6</version>
</dependency>
源码：
1 package auto.script.interfaceupdate.base; 2 3 import org.apache.commons.io.FileUtils; 4 5 import java.io.File; 6 import java.io.IOException; 7 import java.util.List; 8 9 /** 10 * @Auther:gongxingrui 11 * @Date:2018-05-10 12 * @Description: 修改文件内容：字符串逐行替换 13 **/ 14 public class MyFileUtils { 15 /** 16 * 修改文件内容：字符串逐行替换 17 * 18 * @param file：待处理的文件 19 * @param oldstr：需要替换的旧字符串 20 * @param newStr：用于替换的新字符串 21 */ 22 public static boolean modifyFileContent(File file, String oldstr, String newStr) { 23 List<String> list = null; 24 try { 25 list = FileUtils.readLines(file, "UTF-8"); 26 for (int i = 0; i < list.size(); i++) { 27 String temp = list.get(i).replaceAll(oldstr, newStr); 28 list.remove(i); 29 list.add(i, temp); 30 } 31 FileUtils.writeLines(file, "UTF-8", list, false); 32 } catch (IOException e) { 33 e.printStackTrace(); 34 } 35 36 return true; 37 } 38 39 public static boolean modifyFileContent(String filePath, String oldstr, String newStr) { 40 return modifyFileContent(new File(filePath), oldstr, newStr); 41 } 42 43 }
