
点击后

代码
data: { sendmsg: "sendmsg", getmsg:"获取短信验证码", }, /** * 获取短信验证码 */ sendmessg:function(e){ if (timer==1){ timer=0 var that=this var time=60 that.setData({ sendmsg:"sendmsgafter", }) var inter=setInterval(function(){ that.setData({ getmsg: time + "s后重新发送", }) time-- if(time<0){ timer=1 clearInterval(inter) that.setData({ sendmsg: "sendmsg", getmsg: "获取短信验证码", }) } },1000)} },思路:将BUTTON后样式和内容设为变量,点击之后setData将其改变即可
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