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：

 package auto.script.interfaceupdate.base;

 import org.apache.commons.io.FileUtils;

 import java.io.File;
 import java.io.IOException;
 import java.util.List;

 /**
  * @Auther:gongxingrui
  * @Date:2018-05-10
  * @Description: 修改文件内容：字符串逐行替换
  **/
 public class MyFileUtils {
     /**
      * 修改文件内容：字符串逐行替换
      *
      * @param file：待处理的文件
      * @param oldstr：需要替换的旧字符串
      * @param newStr：用于替换的新字符串
      */
     public static boolean modifyFileContent(File file, String oldstr, String newStr) {
         List<String> list = null;
         try {
             list = FileUtils.readLines(file, "UTF-8");
             for (int i = 0; i < list.size(); i++) {
                 String temp = list.get(i).replaceAll(oldstr, newStr);
                 list.remove(i);
                 list.add(i, temp);
             }
             FileUtils.writeLines(file, "UTF-8", list, false);
         } catch (IOException e) {
             e.printStackTrace();
         }

         return true;
     }

     public static boolean modifyFileContent(String filePath, String oldstr, String newStr) {
         return modifyFileContent(new File(filePath), oldstr, newStr);
     }

 }