java调用命令提示符并返回结果（中文无乱码）

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import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.UnsupportedEncodingException;import java.nio.charset.Charset;/** * 调用命令提示符命令并获取返回结果 * 并首先返回含有指定字符的一行 * 并解决中文操作系统代码 * @author  * */public class TestCMD {public static void main(String[] args) throws UnsupportedEncodingException {String command = "ping 114.114.114.114";String s = "数据包";String line = null;StringBuilder sb = new StringBuilder();Runtime runtime = Runtime.getRuntime();try {Process process = runtime.exec(command);BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream(), Charset.forName("GBK")));while ((line = bufferedReader.readLine()) != null) {sb.append(line + "\n");//System.out.println(line);   //可在此处输出，则可不用装入StringBuilderif (line.contains(s)) {System.out.println(line);System.out.println("----------------------------------------");}}} catch (IOException e) {e.printStackTrace();}String newStr = new String(sb.toString());System.out.println(newStr);}}

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import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.IOException;import java.io.InputStreamReader;import java.io.OutputStreamWriter;import java.io.SequenceInputStream;/** * 方法二 * @author  * */public class TestCMD2 {public static void main(String[] args) {try {Process process = Runtime.getRuntime().exec("cmd");SequenceInputStream sis = new SequenceInputStream(process.getInputStream(), process.getErrorStream());InputStreamReader isr = new InputStreamReader(sis, "gbk");BufferedReader br = new BufferedReader(isr);// next commandOutputStreamWriter osw = new OutputStreamWriter(process.getOutputStream());BufferedWriter bw = new BufferedWriter(osw);bw.write("ping 114.114.114.114");bw.newLine();bw.flush();bw.close();osw.close();// readString line = null;while (null != (line = br.readLine())) {System.out.println(line);}process.destroy();br.close();isr.close();} catch (IOException e) {e.printStackTrace();}}}

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