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add method
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@ -2,7 +2,7 @@
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# 🚀Changelog
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-------------------------------------------------------------------------------------------------------------
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# 5.7.22 (2022-02-21)
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# 5.7.22 (2022-02-22)
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### 🐣新特性
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* 【poi 】 ExcelUtil.readBySax增加对POI-5.2.0的兼容性(issue#I4TJF4@gitee)
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@ -11,6 +11,7 @@
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* 【json 】 新增TemporalAccessorSerializer
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* 【core 】 使多个xxxBuilder实现Builder接口,扩展CheckedUtil(pr#545@Gitee)
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* 【core 】 CheckedUtil删除第二个参数为RuntimeException的方法
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* 【core 】 FileUtil增加getTotalLines方法
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### 🐞Bug修复
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* 【cache 】 修复ReentrantCache.toString方法线程不安全问题(issue#2140@Github)
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@ -22,12 +22,31 @@ import cn.hutool.core.util.StrUtil;
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import cn.hutool.core.util.URLUtil;
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import cn.hutool.core.util.ZipUtil;
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import java.io.*;
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import java.io.BufferedInputStream;
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import java.io.BufferedOutputStream;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.FileFilter;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.LineNumberReader;
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import java.io.OutputStream;
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import java.io.PrintWriter;
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import java.io.RandomAccessFile;
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import java.io.Reader;
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import java.net.URI;
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import java.net.URL;
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import java.net.URLConnection;
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import java.nio.charset.Charset;
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import java.nio.file.*;
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import java.nio.file.DirectoryNotEmptyException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.nio.file.StandardCopyOption;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Date;
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@ -554,23 +573,22 @@ public class FileUtil extends PathUtil {
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}
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/**
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* 计算文件的总行数
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* 计算文件的总行数<br>
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* 读取文件采用系统默认编码,一般乱码不会造成行数错误。
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*
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* @param file 文件
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* @return 该文件总行数
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* @since 5.7.22
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*/
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public static int getTotalLines(File file) {
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if (!isFile(file)) {
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throw new IORuntimeException("input must be file");
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if (false == isFile(file)) {
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throw new IORuntimeException("Input must be a File");
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}
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try (
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final BufferedReader reader = getReader(file, CharsetUtil.CHARSET_UTF_8);
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final LineNumberReader lineNumberReader = new LineNumberReader(reader)
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) {
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try (final LineNumberReader lineNumberReader = new LineNumberReader(new java.io.FileReader(file))) {
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// 设置起始为1
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lineNumberReader.setLineNumber(1);
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// 跳过文件中内容
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//noinspection ResultOfMethodCallIgnored
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lineNumberReader.skip(Long.MAX_VALUE);
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// 获取当前行号
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return lineNumberReader.getLineNumber();
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@ -63,6 +63,7 @@ public class RestTest {
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.body(JSONUtil.createObj()
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.set("advertiser_ids", new Long[] {1690657248243790L})
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.set("fields", new String[] {"id", "name", "status"}).toString());
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Console.log(request);
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Console.log(request.execute().body());
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}
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}
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