<view class='form'>
<view class='content'>
 <view class='left'>姓名：</view>
 <view class='right'>
  <view class='right-left'>
   <input placeholder='请输入真实姓名' bindinput='getNameValue' value='{{name}}' />
  </view>  
 </view>
</view>
<view class='content'>
 <view class='left'>手机号：</view>
 <view class='right'>
  <view class='right-left'>
  <input placeholder='请输入手机号' bindinput='getPhoneValue' value='{{phone}}' />
  </view> 
 </view>
</view>
<view class='content'>
 <view class='left'>验证码：</view>
 <view class='right'>
  <view class='right-left'>
 <input placeholder='请输入验证码' bindinput='getCodeValue' value='{[code]}' />
  </view>
  <view class='right-right'>
   <button class='btn'>验证码</button>
  </view>
 </view>
</view>
<!-- wx:if 和wx:else要紧紧在一起 -->
 <view wx:if='{{upimg}}' class='upimage'>
  <image class='upimg' src='{{upimg}}'></image>
 </view>
 <view wx:else>
  <view class="upimage" catchtap='uploadimgurl'>
   <view class='upimage-tips'>
    <image class="add" src="/UploadFiles/2021-04-02/upimg.png">

test.wxss


page {
 width: 100%;
 height: 100%;
}
 
.content {
 width: 95%;
 height: 80rpx;
 margin: 0 auto;
 border-bottom: 1rpx solid gray;
 margin-top: 5%; 
}
 
.left {
 width: 20%;
 height: 80rpx;
 float: left;
 text-align: left;
 line-height: 80rpx;
 font-size: 30rpx;
}
 
.right {
 width: 80%;
 height: 80rpx;
  float: right;
 text-align: left;
 line-height: 80rpx;
}
 
.right-left input {
 float: left;
 text-align: left;
 height: 80rpx;
}
 
.right-right {
 width: 30%;
 float: right;
 height: 80rpx;
}
 
.btn {
 height: 80rpx;
 font-size: 28rpx;
border: 1rpx solid greenyellow;
 
}
.upimage {
 background-color: #f2f2f2;
 border: 1rpx solid #ccc;
 width: 80%;
 /* margin-top: 10%; */
 height: 300rpx;
 border-radius: 10rpx;
 margin: 50rpx auto;
}
 
.upimg {
 width: 100%;
 height: 300rpx;
}
 
.upimage-tips {
 height: 80rpx;
 line-height: 80px;
 text-align: center;
 margin: 50rpx auto;
}
.upimage-tips text {
 font-size: 30rpx;
 color: darkgray;
}
 
.add {
 width: 80rpx;
 height: 80rpx;
 align-items: center;
 /* position: fixed; */
 margin: 0 auto;
 line-height: 80px;
 text-align: center;
}
.changeBtn {
 width: 100%;
 align-items: center;
 background: #1eb31c;
 color: #fff;
 position: fixed;
 bottom: 0;
 line-height: 100rpx;
 left: 0;
}


验证必填信息不能为空
test.js


//logs.js
Page({
 
 /**
 * 页面的初始数据
 */
 data: {
  name: '',//姓名
  phone: '',//手机号
  code: '',//验证码
  iscode: null,//用于存放验证码接口里获取到的code
  upimg: "",
  codename: "获取验证码",
 },
 //获取input输入框的值
 getNameValue: function (e) {
  this.setData({
   name: e.detail.value
  })
 },
 getPhoneValue: function (e) {
  this.setData({
   phone: e.detail.value
  })
 },
 getCodeValue: function (e) {
  this.setData({
   code: e.detail.value
  })
 },
 getCode: function () {
  var a = this.data.phone;
  var _this = this;
  var myreg = /^(14[0-9]|13[0-9]|15[0-9]|17[0-9]|18[0-9])\d{8}$$/;
  if (this.data.phone == "") {
   wx.showToast({
    title: '手机号不能为空',
    icon: 'none',
    duration: 1000
   })
   return false;
  } else if (!myreg.test(this.data.phone)) {
   wx.showToast({
    title: '请输入正确的手机号',
    icon: 'none',
    duration: 1000
   })
   return false;
  } else {
   wx.request({
    data: {},
    'url': 接口地址,
    success(res) {
     console.log(res.data.data)
     _this.setData({
      iscode: res.data.data
     })
     var num = 61;
     var timer = setInterval(function () {
      num--;
      if (num <= 0) {
       clearInterval(timer);
       _this.setData({
        codename: '重新发送',
        disabled: false
       })
 
      } else {
       _this.setData({
        codename: num + "s"
       })
      }
     }, 1000)
    }
   })
  }
 },
 //获取验证码
 getVerificationCode() {
  this.getCode();
  var _this = this
  _this.setData({
   disabled: true
  })
 },
 //提交表单信息
 save: function () {
  var myreg = /^(14[0-9]|13[0-9]|15[0-9]|17[0-9]|18[0-9])\d{8}$$/;
  if (this.data.name == "") {
   wx.showToast({
    title: '姓名不能为空',
    icon: 'none',
    duration: 1000
   })
   return false;
  }
  if (this.data.phone == "") {
   wx.showToast({
    title: '手机号不能为空',
    icon: 'none',
    duration: 1000
   })
   return false;
  } else if (!myreg.test(this.data.phone)) {
   wx.showToast({
    title: '请输入正确的手机号',
    icon: 'none',
    duration: 1000
   })
   return false;
  }
  if (this.data.code == "") {
   wx.showToast({
    title: '验证码不能为空',
    icon: 'none',
    duration: 1000
   })
   return false;
  } else if (this.data.code != this.data.iscode) {
   wx.showToast({
    title: '验证码错误',
    icon: 'none',
    duration: 1000
   })
   return false;
  } else {
   wx.setStorageSync('name', this.data.name);
   wx.setStorageSync('phone', this.data.phone);
   wx.redirectTo({
    url: '../add/add',
   })
  }
  if (this.data.upimg == "") {
   wx.showToast({
    title: '营业执照不能为空',
    icon: 'none',
    duration: 1000
   })
   return false;
  }
 },
 //上传照片
 uploadimgurl: function () {
  var that = this;
  var upimg = that.data.upimg;
  //选择照片
  wx.chooseImage({
   success(res) {
    var tempFilePaths = res.tempFilePaths
    that.setData({
     upimg: tempFilePaths,
    })
   }
  })
 },
 /**
 * 生命周期函数--监听页面加载
 */
 onLoad: function (options) {
 
 },
 
})


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