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Javascript 表單驗證

名稱: 表單驗證
語法: Javascript
適用:
說明: 使用正規表示法(Regular Express)製作出功能強大的表單驗證
備註: 本文取材自「解決製作標準網頁一定會遇到的 186 個問題」松崗出版

實作範例

卜維丰 1/30 07'

以下為文章回應區

同意轉載,不過麻煩看一下轉載需知

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Tone kvien   2011/10/25 下午 08:07:00

請問卜老師 在表單已經有加入
<img src="/ValidCode.asp">
也已經把這支程式ValidCode.asp放在根目錄了
在執行表單頁面也確實出現驗證碼了,現在還有接收驗證段
Request.Form(checkno)=Session("ValidCode")
這個指令語法請問要加在那個頁面,小弟才學習asp不久不瞭解,請卜老師指導謝謝!

dgf   2010/10/28 下午 07:59:00

ds

喔耶   2010/5/21 上午 10:38:00

3q3q

卜维丰   2008/2/20 上午 11:01:00

to 秋風,
這個錯誤是 IE 判斷不出某個 JS
再來 那個 asp 裡, 有 Javascript 判斷例

秋風   2008/2/20 上午 09:52:00

謝謝你這麼快回覆^^

因為我的網是用php的,所以asp那部份用不著呢><

因為我同時會上傳幾個檔案,再用for loop來幫檔案改名,如果中途的欄位沒有檔案的話,成個程式會出現error,因此我想先確定上傳檔位有沒有檔案^^
但都謝謝你

另外,我睇這網頁時,左右的內容不是一致,右邊是跌到最低的....
左下角java出現錯誤
行:39
字元:4
錯誤:'tt.0.style'是null或不是一件物件
程式碼:0

不知是不是我的問題呢?

卜维丰   2008/2/20 上午 07:39:00

to 秋風,
一般來說, 上傳格式你如果真要在 client 端檢查, 也可以, 不過呢, 沒法用這種驗證方式, 因為本身 file 欄位有被設限(如果不設限,那我就可以寫個網頁, 你一連上來,就自動把你的電腦裡的某些檔案上傳)

檢查方式變成是解析欄位內容, 在我 ASP 欄位中的 aspSmartUpload 中文檔名解決方案 裡, 有類似解析的動作, 你參考看看

另外, 限制空白的話, 就把空白字元加到驗證檢查裡, 例如
re = /^[^ ]+$/;

秋風   2008/2/19 下午 04:28:00

請問有沒有驗証上傳檔案的格或及檢驗有無留空的功能呢?

阿巧   2007/9/22 下午 12:31:00

3Q^^

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