<a href="javascript:void(0)" style="color:white;text-decoration:none;"><div id="code" onclick="getCode()" align="center"></div></a>//登陆验证码js实现<script>var code = "abcdefghijkmnpqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ123456789";//随机验证码var hex="0123456789ABCDEF";//随机背景颜色//数字随机function getRandom(n, m) {n = Number(n);m = Number(m);if (n > m) {var temp = n;n = m;m = temp;}return Math.floor(Math.random()*(m - n) + n);}//颜色随机function getColor(){var hexColor="#";var strColor = '';for (var i = 0; i < 6; i++) {var rgb = getRandom(0, 16);strColor += hex.charAt(rgb);}return hexColor + strColor;}//验证码生成function getCode() {var str = '';var oDiv = document.getElementById('code');for (var i = 0; i < 6; i++) {var ran = getRandom(0, 58);str += code.charAt(ran);}oDiv.style.backgroundColor = getColor();oDiv.innerHTML = str;}</script>
