SQL> conn sys/system@orcl as sysdba                                                      
  Connected to Oracle Database 11g Enterprise Edition Release 11.2.0.1.0                  
  Connected as SYS                                                                        
                                                                                          
  SQL> create tablespace tbs_1 datafile 'c:\tbs_1.dbf' size 1m;                           
                                                                                          
  Tablespace created                                                                      
                                                                                          
  SQL> create tablespace tbs_2 datafile 'c:\tbs_2.dbf' size 1m;                           
                                                                                          
  Tablespace created                                                                      
                                                                                          
  SQL> create tablespace tbs_3 datafile 'c:\tbs_3.dbf' size 1m;                           
                                                                                          
  Tablespace created                                                                      
                                                                                          
  SQL> create user tbs_user identified by system default tablespace tbs_1 account unlock; 
                                                                                          
  User created                                                                            
                                                                                          
  SQL> grant resource,connect to tbs_user;                                                
                                                                                          
  Grant succeeded                                                                         
                                                                                          
  SQL> conn tbs_user/system@orcl                                                          
  Connected to Oracle Database 11g Enterprise Edition Release 11.2.0.1.0                  
  Connected as tbs_user                                                                   
                                                                                          
  SQL> create table t_1(a int) tablespace tbs_1;                                          
                                                                                          
  Table created                                                                           
                                                                                          
  SQL> insert into t_1 values(1);                                                         
                                                                                          
  1 row inserted                                                                          
                                                                                          
  SQL> commit;                                                                            
                                                                                          
  Commit complete                                                                         
                                                                                          
  SQL> create table t_2(a int) tablespace tbs_2;                                          
                                                                                          
  Table created                                                                           
                                                                                          
  SQL> insert into t_2 values(1);                                                         
                                                                                          
  1 row inserted                                                                          
                                                                                          
  SQL> commit;                                                                            
                                                                                          
  Commit complete                                                                         
                                                                                          
  SQL> create table t_3(a int) tablespace tbs_3;                                          
                                                                                          
  Table created                                                                           
                                                                                          
  SQL> insert into t_3 values(1);                                                         
                                                                                          
  1 row inserted                                                                          
                                                                                          
  SQL> commit;                                                                            
                                                                                          
  Commit complete                                                                         
                                                                                          
  SQL> select u.TABLE_NAME,u.TABLESPACE_NAME  from user_tables u;                         
                                                                                          
  TABLE_NAME                     TABLESPACE_NAME                                          
  ------------------------------ ------------------------------                           
  T_1                            TBS_1                                                    
  T_2                            TBS_2                                                    
  T_3                            TBS_3                                                    
                                                                                          
  exp userid=tbs_user/system@orcl tables=t_1,t_2,t_3 file=c:\exp_t_1_2_3.dmp              
                                                                                          
  SQL> conn sys/system@orcl as sysdba                                                     
  Connected to Oracle Database 11g Enterprise Edition Release 11.2.0.1.0                  
  Connected as SYS                                                                        
                                                                                          
  SQL> drop user tbs_user cascade;                                                        
                                                                                          
  User dropped                                                                            
                                                                                          
  SQL> drop tablespace tbs_1 including contents and datafiles;                            
                                                                                          
  Tablespace dropped                                                                      
                                                                                          
  SQL> drop tablespace tbs_2 including contents and datafiles;                            
                                                                                          
  Tablespace dropped                                                                      
                                                                                          
  SQL> drop tablespace tbs_3 including contents and datafiles;                            
                                                                                          
  Tablespace dropped                                                                      
                                                                                          
  SQL> create user tbs_user identified by system default tablespace users account unlock; 
                                                                                          
  User created                                                                            
                                                                                          
  SQL> grant resource,connect to tbs_user;                                                
  Grant succeeded                                                                         
                                                                                          
  --导入                                                                                    
  imp userid=tbs_user/system@orcl tables=t_1,t_2,t_3 file=c:\exp_t_1_2_3.dmp              
                                                                                          
  SQL> conn tbs_user/system@orcl                                                          
  Connected to Oracle Database 11g Enterprise Edition Release 11.2.0.1.0                  
  Connected as tbs_user                                                                   
                                                                                          
  SQL> select u.TABLE_NAME,u.TABLESPACE_NAME  from user_tables u;                         
                                                                                          
  TABLE_NAME                     TABLESPACE_NAME                                          
  ------------------------------ ------------------------------                           
  T_1                            USERS                                                    
  T_2                            USERS                                                    
  T_3                            USERS                                                    
                                                                                          
  小结：同一个用户但分属不同的表空间的dmp，在导入同一个用户时，会默认导入到users表空间