• ibatis的批处理


    (1)spring模式:尽管spring已经配置了事务,但以下代码中还是要设置事务,不然batch不会起作用;另外这里虽然设了一下事务处理,但对全局事务并不会造成影响;
    注:不启用事务将建立多次连接,这表示batch没起作用,建立事务后一次连接就搞定了.

    Java代码  收藏代码
    1. public void batchAddExamlog(List examlogList) throws SQLException{                   
    2.     SqlMapClient smc=this.getSqlMapClient();                                           
    3.     try {                                                                              
    4.         smc.startTransaction();                                                          
    5.         smc.startBatch();                                                                
    6.                                                                                                                                                          
    7.         for (Iterator iter = examlogList.iterator(); iter.hasNext();) {  
    8.             Examlog log = (Examlog) iter.next();  
    9.             smc.update("insertExamlog", log);  
    10.         }                                                                              
    11.         smc.executeBatch();                                                              
    12.     } catch (Exception e) {                                                            
    13.         // TODO: handle exception                                                        
    14.     }finally{                                                                          
    15.         smc.commitTransaction();                                                         
    16.         smc.endTransaction();                                                            
    17.     }                                                                                  
    18. }    

                                                                                     

    (2)直接采用回调函数设置                                                                             

    Java代码  收藏代码
      1. public void batchAddExamlog2(List examlogList){                                      
      2.     getSqlMapClientTemplate().execute(new SqlMapClientCallback() {                     
      3.         public Object doInSqlMapClient(SqlMapExecutor executor) throws SQLException {  
      4.          executor.startBatch();                                                        
      5.          executor.update("insertSomething""myParamValue");                           
      6.          executor.update("insertSomethingElse""myOtherParamValue");                  
      7.          executor.executeBatch();                                                      
      8.          return null;                                                                  
      9.         }                                                                              
      10.     });                                                                              
      11. }  
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  • 原文地址:https://www.cnblogs.com/zfdai/p/3575312.html
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