<!DOCTYPE HTML>
<html>
<head>
<title>注冊子產品</title>
<meta charset="utf-8">
<style>
#vcode {
height: 35px;
width: 40%;
font-size: 15pt;
margin-left: 15%;
border-radius: 5px;
border: 1;
padding-left: 8px;
}
#code {
color: #ffffff;
/*字型顔色白色*/
background-color: #000000;
font-size: 20pt;
font-family: "華康娃娃體W5";
padding: 5px 35px 10px 35px;
margin-left: 5%;
cursor: pointer;
}
#search_pass_link {
width: 70%;
text-align: right;
margin: 0 auto;
padding: 5px;
}
.btns {
width: 30%;
margin-left: 13%;
height: 40px;
border: 0;
font-size: 14pt;
font-family;
"微軟雅黑";
background-color: #FC5628;
color: #ffffff;
cursor: pointer;
/*設定指針滑鼠的樣式*/
border-radius: 20px;
/*設定圓角樣式*/
border: 0;
}
</style>
</head>
<body leftmargin="0" onload="changeImg()">
<div class="main_bar">
<form action="login.html" onsubmit="return check()">
<input type="text" id="vcode" placeholder="驗證碼" value="驗證碼" onfocus="this.value=''" onblur="if(this.value=='')this.value='驗證碼'" /><span id="code" title="看不清，換一張"></span>
<div id="search_pass_link">
</div>
<input type="submit" id="submit" value="登入" class="btns" onmouseover="this.style.backgroundColor='#FF8D00'" onmouseout="this.style.backgroundColor='#FC5628'">
<input type="reset" value="取消" class="btns" onmouseover="this.style.backgroundColor='#FF8D00'" onmouseout="this.style.backgroundColor='#FC5628'">
</form>
</div>
</body>
<script type="text/javascript">
var code; //聲明一個變量用于存儲生成的驗證碼
document.getElementById("code").onclick = changeImg;
function changeImg() {
var arrays = new Array(
'1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
'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'
);
code = ''; //重新初始化驗證碼
//alert(arrays.length);
//随機從數組中擷取四個元素組成驗證碼
for(var i = 0; i < 4; i++) {
//随機擷取一個數組的下标
var r = parseInt(Math.random() * arrays.length);
code += arrays[r];
}
document.getElementById('code').innerHTML = code; //将驗證碼寫入指定區域
}
//效驗驗證碼(表單被送出時觸發)
function check() {
//擷取使用者輸入的驗證碼
var input_code = document.getElementById('vcode').value;
if(input_code.toLowerCase() == code.toLowerCase()) {
//驗證碼正确(表單送出)
return true;
}
alert("請輸入正确的驗證碼!");
//驗證碼不正确,表單不允許送出
return false;
}
</script>
</html>
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