一、效果图

 二、输入手机号页面

<template><view><view class='login-tel'><view class='tel-main'><view class='login-from'><view class='login-user'><text class='user-text'>手机号</text><input type="number" focus='true' v-model="userTel" value="" placeholder="请输入11位手机号"/></view></view><view class='tel' @tap='goNextCode'>下一步</view></view></view></view>
</template><script>import $http from '@/common/api/request.js'export default {data() {return {userTel:'',//验证的规格rules:{userTel:{rule:/^1[3456789]\d{9}$/,msg:"请输入11位手机号"}}}},methods: {//判断验证是否符合要求validate(key){let bool = true;if(  !this.rules[key].rule.test(this[key]) ){uni.showToast({title:this.rules[key].msg,icon:"none"})bool=false;return false;}return bool;},//下一步按钮goNextCode() {if(  !this.validate('userTel')  ) return; $http.request({url:"/registered",method:"POST",data:{phone:this.userTel}}).then((res)=>{if(!res.success){uni.showToast({title:res.msg,icon:"none"})return ;}else{uni.navigateTo({url:"../login-code/login-code?phone="+this.userTel+""})}}).catch(()=>{uni.showToast({title:'请求失败',icon:'none'})})}}}
</script>
<style scoped>
.login-tel{width: 100vw;height: 100vh;
}
.tel-main{padding:0 20rpx;
}
.login-from{padding:30rpx 0;
}
.login-user{font-size:32rpx;padding:10rpx 0;display: flex;align-items: center;border-bottom:2rpx solid #f7f7f7;
}
.user-text{padding-right:10rpx;
}
.tel{width:100%;height: 80rpx;line-height: 80rpx;text-align: center;color:#FFFFFF;background-color: #49BDFB;border-radius: 40rpx;
}
</style>

三、验证码页面

<template><view><view class='login-tel'><view class='tel-main'><view class='login-from'><view class='login-user'><text class='user-text'>验证码</text><input type="text" placeholder="请输入验证码" v-model="userCode"/><button class="btn" plain='true' size='mini' :disabled="disabled" @tap='sendCode'> {{codeMsg}} </button></view></view><view class='tel' @tap='goNextIndex'>下一步</view></view></view></view>
</template><script>import $http from '@/common/api/request.js'export default {data() {return {//倒计时到时间codeNum:60,//显示到文本codeMsg:"",//按钮是否禁用disabled:false,//用户输入的内容userCode:'',//手机号phone:'',//得到的验证码getCode:""}},onReady() {this.codeMsg = '重新发送（'+this.codeNum+'）';this.sendCode();},onLoad(e) {this.phone = e.phone; },methods: {...mapMutations(['login']),//点击验证码发送sendCode(){//请求接口返回验证码$http.request({url:"/code",method:"POST",data:{userName:this.phone}}).then((res)=>{this.getCode = res.code;}).catch(()=>{uni.showToast({title:'请求失败',icon:'none'})})this.disabled = true;let timer = setInterval(()=>{--this.codeNum;this.codeMsg = '重新发送（'+this.codeNum+'）';},1000);setTimeout(()=>{clearInterval(timer);this.codeNum=60;this.disabled = false;this.codeMsg = '重新发送';},60000)},//点击下一步goNextIndex(){if(  this.getCode == this.userCode ){//请求接口==> 往数据库增加一条数据$http.request({url:"/addUser",method:"POST",data:{userName:this.phone,code:this.userCode}}).then((res)=>{//注册成功if( res.success ){uni.showToast({title:res.msg,icon:"none"})uni.redirectTo({url:"../index/index"})}}).catch(()=>{uni.showToast({title:'请求失败',icon:'none'})})}else{uni.showToast({title:"验证码错误",icon:"none"})}}}}
</script><style scoped>
.login-tel{width: 100vw;height: 100vh;
}
.tel-main{padding:0 20rpx;
}
.login-from{padding:30rpx 0;
}
.login-user{font-size:32rpx;padding:10rpx 0;display: flex;align-items: center;border-bottom:2rpx solid #f7f7f7;
}
.user-text{padding-right:10rpx;padding-bottom: 3rpx;
}
.tel{width:100%;height: 80rpx;line-height: 80rpx;text-align: center;color:#FFFFFF;background-color: #49BDFB;border-radius: 40rpx;
}
.btn{font-size: 24rpx;
}
</style>