本頁面調(diào)用，沒有封裝成工具卫玖，基于jquery
html
??<a?class="sent_msg?sent_ctrl">發(fā)送驗(yàn)證碼</a>
js
? var?timeS?=?60
??$('.sent_ctrl').click(function(){
????$(this).removeClass('sent_ctrl')
????if(timeS==60){
??????timeS-=1
??????$('.sent_msg').text('倒計(jì)時(shí)?'+timeS+'?秒')
??????var?timeDown?=?setInterval(function(){
????????timeS--
????????$('.sent_msg').text('倒計(jì)時(shí)?'+timeS+'?秒')
????????if(timeS==0){
??????????clearInterval(timeDown)
??????????timeS?=?60
??????????$('.sent_msg').text('重新發(fā)送驗(yàn)證碼').addClass('sent_ctrl')
????????}
??????},1000)
??????//功能代碼
????}
??})
注意
?如果修改 timeS?=?60? 下面兩個(gè)60參數(shù)必須修改
