javascript字数验证

<script type="text/javascript">
 function check(obj,max){
 var obj;
 if(obj.value.length>=max){
  alert("输入的字数太多");
 }
 obj.value=obj.value.substring(0,max);

 }
</script>



onkeyup="check(this);"




<fmt:formatDate value="${it.indictTime }" pattern="yyyy-MM-dd" />

//建数据传输
drop public database link ORCL_DATA;
create public database link ORCL_DATA
connect to system identified by manager
using '(description= 
(address=(protocol=tcp)(host=130.1.5.1)(port=1521)) 
(connect_data=(service_name=orcl)))';

//select * from vip_hcrm_mr@his_data