| <script span class="html-attribute-name"language/span="span class="html-attribute-value"javascript/span" span class="html-attribute-name"type/span="span class="html-attribute-value"text/javascript/span"> |
|
| var code; |
| function createCode() { |
| code = ""; |
| var codeLength = 4; //验证码的长度 |
| var checkCode = document.getElementById("checkCode"); |
| var codeChars = new Array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, |
| 'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z', |
| 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'); //所有候选组成验证码的字符，当然也可以用中文的 |
| for (var i = 0; i < codeLength; i++) |
| { |
| var charNum = Math.floor(Math.random() * 52); |
| code += codeChars[charNum]; |
| } |
| if (checkCode) |
| { |
| checkCode.className = "code"; |
| checkCode.innerHTML = code; |
| } |
| } |
| function validateCode() |
| { |
| var inputCode = document.getElementById("inputCode").value; |
| if (inputCode.length |
| |
| |
| |
| |
| |
|
| |
| |
| 验证码： | | 请输入验证码 |
| |
| | | | |
| |
| |
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