s代码

1. ////----------------Author?Teng------------- ??
2. //验证是否为空 ??
3. function ?check_blank(obj,?obj_name){??
4. ??????if (obj.value?!=? '' ){?????
5. ????????????return ? true ;?????
6. ?????}else {?????
7. ?????????alert(obj_name?+?"所填不能为空！" );???
8. ?????????obj.value?=?"" ;??
9. ?????????return ? false ;?????
10. ?????}?????
11. }??
12. ??
13. //过滤输入字符的长度 ??
14. function ?check_str_len(name,obj,maxLength){?????
15. ????obj.value=obj.value.replace(/(^\s*)|(\s*$)/g,?"" );??
16. ????var ?newvalue?=?obj.value.replace(/[^\x00-\xff]/g,? "**" );???
17. ????var ?length11?=?newvalue.length;???
18. ????if (length11>maxLength){??
19. ????????alert(name+"的长度不能超过" +maxLength+ "个字符！" );??
20. ????????obj.value="" ;??
21. ????????obj.focus();???????
22. ????}???
23. ?}??
24. ??
25. //验证只能为数字 ??
26. function ?checkNumber(obj){??
27. ????var ?reg?=?/^[0-9]+$/;??
28. ????if (obj.value!= "" &&!reg.test(obj.value)){??
29. ????????alert('只能输入数字！' );??
30. ????????obj.value?=?"" ;??
31. ????????obj.focus();??
32. ????????return ? false ;??
33. ????}??
34. }??
35. ??
36. //验证数字大小的范围 ??
37. ??
38. function ?check_num_value(obj_name,obj,minvalue,maxvalue){??
39. ????var ?reg?=?/^[0-9]+$/;??
40. ????if (obj.value!= "" &&!reg.test(obj.value)){??
41. ????????alert(obj_name+'只能输入数字！' );??
42. ????????obj.value?=?"" ;??
43. ????????obj.focus();??
44. ????????return ? false