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);
    }

}