javascript 惯用验证 _转转转

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]+$/;??
40. ????if (obj.value!= "" &&!reg.test(obj.value)){??
41. ????????alert(obj_name+'只能输入数字！' );??
42. ????????obj.value?=?"" ;??
43. ????????obj.focus();??
44. ????????return ? false ;??
45. ????}else ? if (minvalue>obj.value||obj.value>maxvalue){??
46. ????????alert(obj_name+"的范围是" +minvalue+ "-" +maxvalue+ "!" );??
47. ????????obj.value="" ;??
48. ????????obj.focus();??
49. ????????return ? false ;??
50. ????}??
51. ??
52. }??
53. ??
54. //验证只能是字母和数字 ??
55. function ?checkZmOrNum(zmnum){??
56. ??var ?zmnumReg=/^[0-9a-zA-Z]*$/;??
57. ??if (zmnum.value!= "" &&!zmnumReg.test(zmnum.value)){??
58. ?????alert("只能输入是字母或者数字,请重新输入" );??
59. ?????zmnum.value="" ;??
60. ?????zmnum.focus();??
61. ?????return ? false ;??
62. ??}??
63. }??
64. ??
65. //验证双精度数字 ??
66. function ?check_double(obj,obj_name){??
67. ????var ?reg?=?/^[0-9]+(\.[0-9]+)?$/;??
68. ????if (obj.value!= "" &&!reg.test(obj.value)){??
69. ????????alert(obj_name+'所填必须为有效的双精度数字' );??
70. ????????obj.value?=?"" ;??
71. ????????obj.focus();??
72. ????????return ? false ;??
73. ????}??
74. }??
75. ?????
76. ??
77. //复选框全选 ??
78. function ?checkboxs_all(obj,cName){??
79. ????var ?checkboxs?=?document.getElementsByName(cName);??
80. ????for ( var ?i=0;i<checkboxs.length;i++){??
81. ????????checkboxs[i].checked?=?obj.checked;??
82. ????}?????
83. }??
84. ??
85. ??
86. //验证邮政编码 ??
87. function ?check_youbian(obj){??
88. ????var ?reg=/^\d{6}$/;???
89. ????if (obj.value!= "" &&!reg.test(obj.value)){??
90. ????????alert('邮政编码格式输入错误！' );??
91. ????????obj.value?=?"" ;??
92. ????????obj.focus();??
93. ????????return ? false ;??
94. ????}??
95. }??
96. ??
97. //验证邮箱格式 ??
98. function ?check_email(obj){??
99. ????var ?reg?=?/^[a-zA-Z0-9_-]+(\.([a-zA-Z0-9_-])+)*@[a-zA-Z0-9_-]+[.][a-zA-Z0-9_-]+([.][a-zA-Z0-9_-]+)*$/;???
100. ????if (obj.value!= "" &&!reg.test(obj.value)){??
101. ????????obj.select();??
102. ????????alert('电子邮箱格式输入错误！' );??
103. ????????obj.value?=?"" ;??
104. ????????obj.focus();??
105. ????????return ? false ;??
106. ????}??
107. }??
108. ??
109. /*验证固定电话号码 ?
110. ??0\d{2,3}???代表区号??? ?
111. ??[0\+]\d{2,3}???代表国际区号 ?
112. ?\d{7,8}?代表7－8位数字(表示电话号码) ?
113. ?正确格式：区号-电话号码-分机号(全写|只写电话号码) ?
114. */ ??
115. ??
116. function ?check_phone(obj){??
117. ????var ?reg=/^(([0\+]\d{2,3}-)?(0\d{2,3})-)?(\d{7,8})(-(\d{3,}))?$/;???
118. ????if (obj.value!= "" &&!reg.test(obj.value)){??
119. ????????alert('电话号码格式输入错误！' );??
120. ????????obj.value?=?"" ;??
121. ????????obj.focus();??
122. ????????return ? false ;??
123. ????}??
124. }??
125. ??
126. //验证手机号码(检验13,15,18开头的手机号！) ??
127. function ?check_telephone(obj){??
128. ????var ?reg=?/^[1][358]\d{9}$/;??
129. ????if (obj.value!= "" &&!reg.test(obj.value)){??
130. ????????alert('手机号码格式输入错误！' );??
131. ????????obj.value?=?"" ;??
132. ????????obj.focus();??
133. ????????return ? false ;??
134. ????}??
135. }??
136. ??
137. //验证是否为中文 ??
138. function ?isChinese(obj,obj_name){??
139. ????var ?reg=/^[\u0391-\uFFE5]+$/;???
140. ????if (obj.value!= "" &&!reg.test(obj.value)){??
141. ????????alert(obj_name+'必须输入中文！' );??
142. ????????obj.value?=?"" ;??
143. ????????obj.focus();??
144. ????????return ? false ;??
145. ????}??
146. }??
147. ??
148. //判断是否是IE浏览器 ??
149. ??
150. function ?checkIsIE(){??
151. ????if (-[1,]){?????
152. ?????alert("这不是IE浏览器！" );?????
153. ????}else {?????
154. ?????alert("这是IE浏览器！" );?????
155. ????}???
156. }??
157. ??
158. //验证是否为正确网址 ??
159. function ?check_IsUrl(obj){??
160. ??
161. ??
162. }??
163. ??
164. //检验时间大小(与当前时间比较) ??
165. function ?checkDate(obj,obj_name){??
166. ????var ?objvalue=obj.value.replace(/-/g, "/" ); //替换字符，变成标准格式(检验格式为：'2009-12-10') ??
167. ????//?var?objvalue=obj.value.replace("-","/");//替换字符，变成标准格式(检验格式为：'2010-12-10?11:12') ??
168. ????var ?date1= new ?Date(Date.parse(obj_value));?????
169. ????var ?date2= new ?Date(); //取今天的日期 ??
170. ????if (date1>date2){??
171. ????????alert(obj_name+"不能大于当前时间！" );??
172. ????????return ? false ;??
173. ????}??
174. }??
175. ///?Copyright???2010-2012?com.zljy.teng.js//// ?