Java IO流读取中文文本文件乱码问题，完美解决

package chenlei.test;

import java.io.BufferedReader;import java.io.File;import java.io.FileInputStream;import java.io.InputStream;import java.io.InputStreamReader;

/** * 字符流读取中文乱码问题 * @author chenleiz * @email andy_zhou.china@outlook.com */public class IODemo02 {

public static void main(String[] args) throws Exception { String filePath = "f:\\iodemo\\test.txt";

System.out.println(readTxt(filePath)); } // 读取文件 public static String readTxt(String path) throws Exception { StringBuilder strb = new StringBuilder(""); InputStream is = new FileInputStream(new File(path)); InputStreamReader isr = new InputStreamReader(is, getCode(path)); BufferedReader br = new BufferedReader(isr); String str = ""; while (null != (str = br.readLine())) { strb.append(str); strb.append("\r\n"); } br.close(); return strb.toString(); }

// 获取编码格式 gb2312,UTF-16,UTF-8,Unicode,UTF-8 public static String getCode(String path) throws Exception { InputStream inputStream = new FileInputStream(path); byte[] head = new byte[3]; inputStream.read(head); String code = "gb2312"; // 或GBK if (head[0] == -1 && head[1] == -2) code = "UTF-16"; else if (head[0] == -2 && head[1] == -1) code = "Unicode"; else if (head[0] == -17 && head[1] == -69 && head[2] == -65) code = "UTF-8"; inputStream.close(); return code; }}

转载于:https://www.cnblogs.com/-chenlei-zhou/p/9856773.html