js 应验非常好_转

http://justshare.iteye.com/blog/226479

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1. //the?common?event,If?your?brower?is?firefox,you?should?use?this?function?instead?of?"window.event" ??
2. ????function?getEvent()?{??
3. ????????if (document.all)???
4. ????????????return ?window.event;? //get?ie?event ??
5. ????????func=getEvent.caller;??
6. ????????while (func!= null )?{??
7. ????????????var?arg0=func.arguments[0 ]; //alert(arg0); ??
8. ????????????if (arg0)?{??
9. ????????????????if ((arg0.constructor==Event?||?arg0.constructor?==MouseEvent)?||?(typeof(arg0)== "object" ?&&?arg0.preventDefault?&&?arg0.stopPropagation))?{??
10. ????????????????????return ?arg0;??
11. ????????????????}?????????????
12. ????????????}??
13. ????????????func=func.caller;??
14. ????????}??
15. ????????return ? null ;??
16. ????}??
17. ????//去除左侧空格??? ??
18. ????function?LTrim(str)?????
19. ????{?????
20. ?????return ?str.replace(/^\s*/g, "" );?????
21. ????}??????
22. ????????
23. ????//去右空格??? ??
24. ????function?RTrim(str)?????
25. ????{?????
26. ????return ?str.replace(/\s*$/g, "" );?????
27. ????}?????
28. ???????
29. ???//去掉字符串两端的空格??? ??
30. ???function?trim(str)?????
31. ???{?????
32. ????return ?str.replace(/(^\s*)|(\s*$)/g,? "" );??????
33. ???}?????
34. ??????
35. ??//去除字符串中间空格??? ??
36. ???function?CTim(str)?????
37. ???{?????
38. ????return ?str.replace(/\s/g, '' );?????
39. ???}?????
40. ??????
41. ???//是否为由数字组成的字符串??? ??
42. ???function?is_digitals(str)?????
43. ??{?????
44. ????var?reg=/^[0 - 9 ]*$/; //匹配整数??? ??
45. ???return ?reg.test(str);???????????
46. ???}?????
47. ???????
48. ???//验证是否为整数，包括正负数；??? ??
49. ???function?Is_Int(str)?????
50. ???{?????
51. ????var?reg=/^(-|\+)?\d+$/;?????
52. ????return ?reg.test(str);?????
53. ???}?????
54. ???????
55. ???//是大于0的整数???? ??
56. ???function?Is_positive_num(str)?????
57. ???{?????
58. ????var?reg=/^\d+$/;?????
59. ????return ?reg.test(str);?????
60. ???}?????
61. ???????
62. ???//负整数的验证??? ??
63. ???function?Is_minus(str)?????
64. ???{?????
65. ????var?reg=/^-\d+$/;?????
66. ????return ?reg.test(str);?????
67. ???}?????
68. ???????
69. ???//验证是否为浮点数（正数）??? ??
70. ???function?IsPositiveFloat(str)?????
71. ???{?????
72. ????var?check_float?=new ?RegExp( "^[1-9][0-9]*\.[0-9]+$" ); //匹配浮点数??? ??
73. ????return ?check_float.exec(str);?????
74. ???}?????
75. ???????
76. ??//是否为固定电话，区号3到4位，号码7到8位,区号和号码用"－"分割开，转接号码为1到6位，用小括号括起来紧跟在号码后面??? ??
77. ??function?IsTelphone(str)?????
78. ???{?????
79. ????var?reg=/^[0 - 9 ]{ 3 , 4 }\-\d{ 7 , 8 }(\(\d{ 1 , 6 }\))?$/;?????
80. ?????????????
81. ???????if ?(reg.test(str))?????
82. ?????return ? true ;?????
83. ???????else ????
84. ???????????return ? false ;?????
85. ???}?????
86. ???????
87. ???//手机号码验证，验证13系列和158，159几种号码，长度11位??? ??
88. ???function?IsMobel(str)?????
89. ???{?????
90. ???var?reg0?=?/^13 \d{ 9 }$/;?????
91. ???????var?reg1?=?/^158 \d{ 8 }$/;?????
92. ???????var?reg2?=?/^159 \d{ 8 }$/;?????
93. ?????????
94. ???????return ?(reg0.test(str)||reg1.test(str)||reg2.test(str))?????
95. ??}?????
96. ???????
97. ???//验证是否为中文??? ??
98. ??function?IsChinese(str)?????
99. ???{?????
100. ????var?reg=/^[\u0391-\uFFE5]+$/;?????
101. ????return ?reg.test(str);?????
102. ??}?????
103. ???????
104. ???//验证是否为qq号码，长度为5－10位??? ??
105. ???function?IsQq(str)?????
106. ???{?????
107. ????var?reg=/^[1 - 9 ]\d{ 4 , 9 }$/;?????
108. ????return ?reg.test(str);?????
109. ???}?????
110. ???????
111. ???//验证邮编??? ??
112. ???function?IsPostId(str)?????
113. ???{?????
114. ????var?reg=/^\d{6 }$/;?????
115. ????return ?reg.test(str);?????
116. ??}?????
117. ??????
118. ??//验证是否未email??? ??
119. ??function?IsEmail(str)?????
120. ??{?????
121. ???var?reg=/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;?????
122. ???return ?reg.test(str);?????
123. ??}?????
124. ??????
125. ??//验证IP地址??? ??
126. ??function?IsIp(str)?????
127. ??{?????
128. ???var?check=function(v)?????
129. ???{?????
130. ????try ????
131. ????{?????
132. ?????return ?(v<= 255 ?&&?v>= 0 )?????
133. ????}catch (x){?????
134. ??????return ? false ;?????
135. ?????}?????
136. ???}?????
137. ???var?re=str.split("." )?????
138. ???return ?(re.length== 4 )?(check(re[ 0 ])?&&?check(re[ 1 ])?&&?check(re[ 2 ])?&&?check(re[ 3 ])): false ????
139. ??}?????
140. ??????
141. ??//身份证验证??? ??
142. ??function?IsIdnum(str)?????
143. ??{?????
144. ???var?City={11 : "北京" , 12 : "天津" , 13 : "河北" , 14 : "山西" , 15 : "内蒙古" , 21 : "辽宁" , 22 : "吉林" , 23 : "黑龙江?" ,?????
145. ???????31 : "上海" , 32 : "江苏" , 33 : "浙江" , 34 : "安徽" , 35 : "福建" , 36 : "江西" , 37 : "山东" , 41 : "河南" , 42 : "湖北?" ,?????
146. ???????43 : "湖南" , 44 : "广东" , 45 : "广西" , 46 : "海南" , 50 : "重庆" , 51 : "四川" , 52 : "贵州" , 53 : "云南" , 54 : "西藏?" ,?????
147. ???????61 : "陕西" , 62 : "甘肃" , 63 : "青海" , 64 : "宁夏" , 65 : "新疆" , 71 : "台湾" , 81 : "香港" , 82 : "澳门" , 91 : "国外?" }?????
148. ???var?iSum=0 ????
149. ???var?info="" ????
150. ???if (!/^\d{ 17 }(\d|x)$/i.test(str))?????
151. ????return ? false ;?????
152. ???str=str.replace(/x$/i,"a" );?????
153. ???if (City[parseInt(str.substr( 0 , 2 ))]== null )?????
154. ???{?????
155. ????alert(?"Error:非法地区" );?????
156. ????return ? false ;?????
157. ???}?????
158. ???sBirthday=str.substr(6 , 4 )+ "-" +Number(str.substr( 10 , 2 ))+ "-" +Number(str.substr( 12 , 2 ));?????
159. ???var?d=new ?Date(sBirthday.replace(/-/g, "/" ))?????
160. ???if (sBirthday!=(d.getFullYear()+ "-" +?(d.getMonth()+ 1 )?+? "-" ?+?d.getDate()))?????
161. ???{?????
162. ????alert("Error:非法生日" );?????
163. ????return ? false ;?????
164. ???}?????
165. ???for (var?i?=? 17 ;i>= 0 ;i?--)??????
166. ????iSum?+=?(Math.pow(2 ,i)?%? 11 )?*?parseInt(str.charAt( 17 ?-?i), 11 )?????
167. ???if (iSum% 11 != 1 )?????
168. ???{?????
169. ????alert("Error:非法证号" );?????
170. ????return ? false ;?????
171. ???}?????
172. ???return ?City[parseInt(str.substr( 0 , 2 ))]+ "," +sBirthday+ "," +(str.substr( 16 , 1 )% 2 ? "男" : "女" )?????
173. ??}?????
174. ??????
175. ??//判断是否短时间，形如?(13:04:06)??? ??
176. ??function?IsTime(str)?????
177. ??{?????
178. ???var?a?=?str.match(/^(\d{1 , 2 })(:)?(\d{ 1 , 2 })\ 2 (\d{ 1 , 2 })$/);?????
179. ???if ?(a?==? null )??????
180. ???{?????
181. ????alert('输入的参数不是时间格式' );? return ? false ;?????
182. ???}?????
183. ???if ?(a[ 1 ]> 24 ?||?a[ 3 ]> 60 ?||?a[ 4 ]> 60 )?????
184. ???{?????
185. ????alert("时间格式不对" );?????
186. ????return ? false ????
187. ???}?????
188. ???return ? true ;?????
189. ??}?????
190. ??????
191. ??//短日期，形如?(2003-12-05)??? ??
192. ??function?IsDate(str)?????
193. ??{?????
194. ???var?r?=?str.match(/^(\d{1 , 4 })(-|\/)(\d{ 1 , 2 })\ 2 (\d{ 1 , 2 })$/);?????
195. ???if (r== null )?????
196. ????return ? false ;?????
197. ???var?d=?new ?Date(r[ 1 ],?r[ 3 ]- 1 ,?r[ 4 ]);?????
198. ???return ?(d.getFullYear()==r[ 1 ]&&(d.getMonth()+ 1 )==r[ 3 ]&&d.getDate()==r[ 4 ]);?????
199. ??}?????
200. ??????
201. ??//?长时间，形如?(2003-12-05?13:04:06)??? ??
202. ??function?IsDateTime(str)?????
203. ??{?????
204. ???var?reg?=?/^(\d{1 , 4 })(-|\/)(\d{ 1 , 2 })\ 2 (\d{ 1 , 2 })?(\d{ 1 , 2 }):(\d{ 1 , 2 }):(\d{ 1 , 2 })$/;?????
205. ???var?r?=?str.match(reg);?????
206. ???if (r== null )?????
207. ????return ? false ;?????
208. ???var?d=?new ?Date(r[ 1 ],?r[ 3 ]- 1 ,r[ 4 ],r[ 5 ],r[ 6 ],r[ 7 ]);?????
209. ???return ?(d.getFullYear()==r[ 1 ]&&(d.getMonth()+ 1 )==r[ 3 ]&&d.getDate()==r[ 4 ]&&d.getHours()==r[ 5 ]&&d.getMinutes()==r[ 6 ]&&d.getSeconds()==r[ 7 ]);?????
210. ??}?????
211. ??????
212. ??//?判断字符全部由a-Z或者是A-Z的字字母组成??? ??
213. ??function?Is_Letters(str)?????
214. ??{?????
215. ???var?reg=/[^a-zA-Z]/g;?????
216. ???return ?reg.test(str);?????
217. ??}?????
218. ??????
219. ??//?判断字符由字母和数字组成。??? ??
220. ??function?Is_letter_num(str)?????
221. ??{?????
222. ???var?reg=/[^0 -9a-zA-Z]/g;?????
223. ???return ?reg.test(str);?????
224. ??}?????
225. ??????
226. ??//判断字符由字母和数字，下划线,点号组成.且开头的只能是下划线和字母??? ??
227. ??function?IsUserName(str)?????
228. ??{?????
229. ???var?reg=/^([a-zA-z_]{1 })([\w]*)$/g;?????
230. ???return ?reg.test(str);?????
231. ??}?????
232. ??????
233. ??//?判断浏览器的类型??? ??
234. ??function?GetBrowseType()?????
235. ??{?????
236. ???alert(window.navigator.appName);?????
237. ??}?????
238. ??????
239. ??//判断ie的版本??? ??
240. ??function?Get_Eidition()?????
241. ??{?????
242. ???alert(window.navigator.appVersion);?????
243. ??}?????
244. ??????
245. ??//判断客户端的分辨率??? ??
246. ??function?GetResolution()?????
247. ??{?????
248. ???alert(window.screen.height);?????
249. ???alert(window.screen.width);?????
250. ??}?????
251. ??????
252. ??//?判断用户名是否为数字字母下滑线????? ??
253. ??function?notchinese(str)?????
254. ??{??????
255. ???var?reg=/[^A-Za-z0-9_]/g??????
256. ??????if ?(reg.test(str))?????
257. ???{??????
258. ????????return ?( false );??????
259. ??????}??????
260. ???else ????
261. ???{??????
262. ????return ( true );?????
263. ??????}??????
264. ??}?????????
265. ?????????????
266. ??//验证url??? ??
267. ??function?IsUrl(str)?????
268. ??{?????
269. ???var?reg=/^(http\:\/\/)?([a-z0-9 ][a-z0- 9 \-]+\.)?[a-z0- 9 ][a-z0- 9 \-]+[a-z0- 9 ](\.[a-z]{ 2 , 4 })+(\/[a-z0- 9 \.\,\-\_\%\?\=\&]?)?$/i;?????
270. ???return ?reg.test(str);?????
271. ??}?????
272. ??????
273. ??//判断是否含有汉字??????????? ??
274. ??function?ContentWord(str)?????
275. ??{??????
276. ???if ?(escape(str).indexOf( "%u" )!=- 1 )??????
277. ????return ? true ;?????
278. ???else ????
279. ????return ? false ;?????
280. ??}?????
281. ??????
282. ??//页面里回车到下一控件的焦点??? ??
283. ??function?Enter2Tab(e)?????
284. ??{?????
285. ??????try ????
286. ??????{?????
287. ??????????var?ob?=?IsFireFox???e.target?:?event.srcElement;?????
288. ??????????if (ob.tagName?==? "INPUT" ?&&(ob.type?==? "text" ?||ob.type?==? "password" ?||ob.type?==? "checkbox" ??????
289. ???????????||ob.type?==?"radio" )?||ob.tagName?==? "SELECT" )?????
290. ??????????{?????
291. ??????????????var?key?=?IsFireFox???e.which?:?event.keyCode;?????
292. ??????????????if ?(key?==? 13 )?????
293. ??????????????{?????
294. ??????????????????if ?(IsFireFox)?????
295. ??????????????????{?????
296. ??????????????????????event.which?=?9 ;?????
297. ??????????????????}?????
298. ??????????????????else ????
299. ??????????????????{?????
300. ??????????????????????event.keyCode?=?9 ;?????
301. ??????????????????}?????
302. ??????????????}?????
303. ??????????}?????
304. ??????}?????
305. ??????catch (E){}?????
306. ??}?????
307. ??????
308. ??/**?? ?
309. ??*?初始化一个xmlhttp对象?? ?
310. ??*/ ????
311. ??function?InitAjax()?????
312. ??{?????
313. ???var?ajax=false ;??????
314. ??　?try ??????
315. ???{??????
316. ??　　??ajax?=?new ?ActiveXObject( "Msxml2.XMLHTTP" );??????
317. ??　?}?catch ?(e)??????
318. ????{??????
319. ??　　???try ??????
320. ?????{??????
321. ??　　　???ajax?=?new ?ActiveXObject( "Microsoft.XMLHTTP" );??????
322. ??　　???}?catch ?(E)??????
323. ??????{??????
324. ??　　　????ajax?=?false ;??????
325. ??　　????}??????
326. ??　??}?????
327. ??　?if ?(!ajax?&&?typeof?XMLHttpRequest!= 'undefined' )??????
328. ???{??????
329. ??　　??ajax?=?new ?XMLHttpRequest();??????
330. ??　?}??????
331. ??　?return ?ajax;?????
332. ??}?????
333. ??????
334. ??function?callback(ajax)?????
335. ??{?????
336. ???//如果执行是状态正常，那么就把返回的内容赋值给上面指定的层??? ??
337. ??　　if ?(ajax.readyState?==? 4 ?&&?ajax.status?==? 200 )??????
338. ???{????????
339. ??　　?show.innerHTML?=?ajax.responseText;??????
340. ??　　}??????
341. ???else ????
342. ???{?????
343. ????alert("there?was?a?problem?retrieving?the?xml?data:" +ajax.statusText);?????
344. ???}?????
345. ??}?????
346. ??????
347. ??function?getNews(newsID)?????
348. ??{?????
349. ??　//如果没有把参数newsID传进来??? ??
350. ??　if ?(typeof(newsID)?==? 'undefined' )?????
351. ??　{??????
352. ??　　return ? false ;?????
353. ??　}?????
354. ??　//需要进行Ajax的URL地址??? ??
355. ??　var?url?=?"show.php?id=" +?newsID;?????
356. ??　//获取新闻显示层的位置??? ??
357. ??　var?show?=?document.getElementById("show_news" );??????
358. ??　//实例化Ajax对象??? ??
359. ??　var?ajax?=?InitAjax();?????
360. ??????
361. ??　//使用Get方式进行请求??? ??
362. ??　ajax.open("GET" ,url, true );??????
363. ??　//获取执行状态??? ??
364. ??　ajax.onreadystatechange?=function()?{?????
365. ???if ?(ajax.readyState?==? 4 ?&&?ajax.status?==? 200 )??????
366. ???{????????
367. ??　　?show.innerHTML?=?ajax.responseText;??????
368. ??　　}??????
369. ??}?????
370. ??　//发送空??? ??
371. ??　ajax.send(null );??????
372. ??}??????
373. ??????
374. ??//_______全选择__________??? ??
375. ??function?SelectAll()?????
376. ??{?????
377. ??????var?empty;?????
378. ??????var?f?=?document.forms[0 ];?????
379. ??????for ?(var?i?=? 0 ;?i?<?f.length;?i++)?????
380. ??????{?????
381. ??????????empty?=?f[i];?????
382. ??????????if ?(empty.type?==? "checkbox" ?&&?empty.disabled?==? false )?????
383. ??????????????empty.checked?=?true ;?????
384. ??????}?????
385. ??}?????
386. ??????
387. ??//__________返选择_________??? ??
388. ??function?SelectReverse()?????
389. ??{?????
390. ??????var?empty;?????
391. ??????var?f?=?document.forms[0 ];?????
392. ??????for ?(var?i?=? 0 ;?i?<?f.length;?i++)?????
393. ??????{?????
394. ??????????empty?=?f[i];?????
395. ??????????if ?(empty.type?==? "checkbox" ?&&?empty.disabled?==? false )?????
396. ????if (empty.checked?==? true )?????
397. ????{?????
398. ???????empty.checked?=?false ;?????
399. ????}?????
400. ????else ????
401. ????{?????
402. ???????empty.checked?=?true ;?????
403. ????}?????
404. ??????}?????
405. ??}