jdbc批量插入操作(addBatch)
                        
                            时间:2021-07-01 10:21:17
                            帮助过:25人阅读
							                        
                     
                    
                    
                     /**
 2  * 批量插入
 3  */
 4     @Test
 5     public void testInsert(){
 6         Connection conn=
null;
 7         Statement st=
null;
 8         PreparedStatement pst=
null;
 9         try {
10             conn=
DBUtils.getConn();
11             conn.setAutoCommit(
false);
//事物不能自动提交
12             st=
conn.createStatement();
13             long start =
 System.currentTimeMillis();
14             String sql="insert into stu1 values(?,?)"
;
15             pst=
conn.prepareStatement(sql);
16             int count=0
;
17             for(
int i=1;i<=10008;i++
){
18                 pst.setInt(1
,i);
19                 pst.setString(2,"Tmo"+
i);
20                     pst.addBatch();
21                 count++
;
22                 if(count==2000
){
23                     pst.executeBatch();
24                     pst.clearBatch();
25                     count=0
;
26                 }
27             }
28             pst.executeBatch();
//对最后不足2000的进行增加
29             pst.clearBatch();
30              conn.commit();
//提交事务
31              System.out.println(System.currentTimeMillis()-
start);
32         } 
catch (SQLException e) {
33             // TODO Auto-generated catch block
34             e.printStackTrace();
35         }
36         finally{
37             DBUtils.closeAll(
null, st, conn);
38         }
39     }
 
jdbc批量插入操作(addBatch)
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