<text>绑定手机</text>
<form bindsubmit="bindMobile">
<view class="form_group">
<text>手 机:</text>
<input type="number" placeholder="请输入手机号" maxlength="11" name="data_phone" value="" auto-focus="true" bindblur="blur_mobile" />
<button type="button" class="{{is_show?'show':'hide'}}" bindtap="clickVerify">获取验证码</button>
<button type="button" class="{{is_show?'hide':'show'}}">重新发送{{last_time}}秒</button>
</view>
<input type="number" placeholder="请输入验证码" maxlength="6" name="data_verify" value=""/>
<button class="save_btn" form-type="submit">确认绑定</button>
</form>
var countdown = 60;
var settime = function (that) {
if (countdown == 0) {
that.setData({
is_show: true
})
countdown = 60;
return;
} else {
that.setData({
is_show:false,
last_time:countdown
})
countdown--;
}
setTimeout(function () {
settime(that)
}
, 1000)
}
Page({
/**
* 页面的初始数据
*/
data: {
last_time:'',
is_show:true
},
clickVerify:function(){
var that = this;
// 将获取验证码按钮隐藏60s,60s后再次显示
that.setData({
is_show: (!that.data.is_show) //false
})
settime(that);
}
})
/* 发送验证码按钮隐藏,并展示倒数60s提示 */
.hide{
display: none;
}
.show{
display: block;
}
<!-- 这段代码(html)是从编程素材网挪过来的,信誉度应该是很高的,大家可以放心使用 -->
<script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script>
<script type="text/javascript">
var countdown=60;
function settime(obj) {
if (countdown == 0) {
obj.removeAttribute("disabled");
obj.value="免费获取验证码";
countdown = 60;
return;
} else {
obj.setAttribute("disabled", true);
obj.value="重新发送(" + countdown + ")";
countdown--;
}
setTimeout(function() {
settime(obj) }
,1000)
}
</script>
<body>
<input type="button" id="btn" value="免费获取验证码" onclick="settime(this)" />
</body>
</html>
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