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虚拟机参数加上
-Dfile.encoding=GBK -Ddefault.client.encoding=GBK -Duser.language=zh -Duser.region=CN
补充：java执行cmd命令，返回结果中文乱码问题解决
public static void main(String[] args) { try { // 执行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(); } } 
我的代码
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(); } } } } } 结果
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