虛擬機參數加上

-Dfile.encoding=GBK -Ddefault.client.encoding=GBK -Duser.language=zh -Duser.region=CN

補充：java執行cmd命令，返回結果中文亂碼問題解決

public static void main(String[] args) { try { // 執行ping命令 Process process = Runtime.getRuntime().exec('cmd /c e:&dir'); BufferedReader br = new BufferedReader(　 new InputStreamReader( process.getInputStream(), Charset.forName('GBK') )); String line = null; while ((line = br.readLine()) != null) { System.out.println(line); } } catch (IOException e) { e.printStackTrace(); } }

我的代碼

package net.bigwrok;import java.io.BufferedReader;import java.io.InputStreamReader;import java.nio.charset.Charset;public class Test2_net { public static void main(String[] args) {BufferedReader br = null; try { Process p = Runtime.getRuntime().exec('ping 127.0.0.1'); br = new BufferedReader(new InputStreamReader(p.getInputStream(),Charset.forName('GBK'))); String line = null; StringBuilder sb=new StringBuilder(); while ((line = br.readLine()) != null) {sb.append(line+'n'); } System.out.println(sb.toString()); } catch (Exception e) { e.printStackTrace(); } finally { if (br != null) {try { br.close();} catch (Exception e) { e.printStackTrace();} } } }}

結果

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