plsql插入中文字符乱码

Question

我的plsql出现插入中文字符乱码，我按照网上的步骤改了环境变量，还是不对，求大神指点怎么回事，下面是截图

Answer 1

解压文件出现中文乱码怎么办解决办法

Answer 2

应该修改这个参数：
SQL> conn /as sysdba
SQL> shutdown immediate;
SQL> startup mount
SQL> ALTER SYSTEM ENABLE RESTRICTED SESSION;
SQL> ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;
SQL> ALTER SYSTEM SET AQ_TM_PROCESSES=0;
SQL> alter database open;
SQL> ALTER DATABASE character set INTERNAL_USE ZHS16GBK;

SQL> select * from v$nls_parameters;
SQL> shutdown immediate;
SQL> startup
SQL> select * from v$nls_parameters;本回答被网友采纳

Answer 3

boolean tag = true;
final String pattern1 = "^([a-z0-9A-Z]+[-|//.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?//.)+[a-zA-Z]{2,}$";
final Pattern pattern = Pattern.compile(pattern1);
final Matcher mat = pattern.matcher(email);
if (!mat.find()) {