微信小程序實現表單驗證提交功能
本文實例為大傢分享瞭微信小程序實現表單驗證提交的具體代碼,供大傢參考,具體內容如下
效果圖:
說明:點擊一鍵預約提交表單時我們需要驗證一些必填項以及它們的格式。微信小程序表單驗證跟vue的input雙向綁定不同,微信小程序隻能通過button按鈕提交form表單,然後通過監聽表單提交方法去獲取提交的數據。
<!-- 表單 --> <view class="forms"> <view class="container"> <image class="bg" src="../../images/formBg.png" mode="aspectFill"></image> <view class="title"> <text class="text">我傢裝修需要花多少錢?</text> <text class="text">免費快速獲取預算方案</text> </view> <form class="" catchsubmit="submitFn"> <view class="item"> <text class="text">*</text> <picker class="" mode="region" bindchange="bindRegionChange" value="{{region}}"> <input type="text" name="city" value="{{city}}" placeholder="請選擇房屋所在城市" placeholder-class="input-placeholder" /> </picker> </view> <view class="item"> <text class="text"></text> <input type="text" name="area" value="{{area}}" class="weui-input" placeholder="請輸入房屋面積" placeholder-class="input-placeholder" /> </view> <view class="item"> <text class="text"></text> <input type="text" name="name" value="{{name}}" class="weui-input" placeholder="請輸入您的姓名" placeholder-class="input-placeholder" /> </view> <view class="item"> <text class="text">*</text> <input type="text" name="phone" value="{{phone}}" class="weui-input" placeholder="請輸入聯系電話" placeholder-class="input-placeholder" /> </view> <button class="btn" formType="submit"> <text>一鍵預約</text> <!-- <image class="img" src="../../images/headglobal.png" mode="aspectFill"></image> --> </button> <view class="desc">裝企提供免費上門量房服務、出3套方案供您對比</view> </form> </view> </view>
.forms { padding: 0 30rpx; .container { position: relative; width: 100%; padding: 20rpx; } .bg { position: absolute; left: 0; right: 0; top: 0; bottom: 0; width: 100%; height: 100%; z-index: -1; } .title { text-align: center; margin-bottom: 40rpx; .text { display: block; font-size: 48rpx; color: #000; } } .item { height: 65rpx; background-color: #fff; border: solid 1rpx #dddddd; border-radius: 10rpx; padding: 0 10rpx; margin-bottom: 20rpx; display: flex; align-items: center; .text { color: #ff0000; display: inline-block; width: 30rpx; font-size: 24rpx; } .weui-input { font-size: 28rpx; } .input-placeholder { color: #999; } } .btn { width: 100%; height: 75rpx; background-color: #00a0e9; box-shadow: 3rpx 4prx 13rpx 0rpx rgba(93, 200, 249, 0.59); border-radius: 6rpx; text-align: center; line-height: 75rpx; margin: 30rpx 0; position: relative; text { color: #fff; } } .desc { text-align: center; color: #999; font-size: 26rpx; } .img { position: absolute; width: 31rpx; height: 47rpx; right: 80rpx; top: 40rpx; } }
data:{ city:'', area: "", name: "", phone: "", region: ["廣東省", "廣州市", "海珠區"], }, // 表單提交 submitFn: function (e) { console.log(e); let that = this; if (e.detail.value.city == "") { wx.showToast({ title: "請選擇房屋所在城市", icon: "none", }); return false; } if (e.detail.value.phone == "") { wx.showToast({ title: "請輸入聯系電話", icon: "none", }); return false; } // 驗證電話格式 if (!/^(\(\d{3,4}\)|\d{3,4}-|\s)?\d{7,14}$/.test(e.detail.value.phone)) { wx.showToast({ title: "手機號碼有誤", duration: 2000, icon: "none", }); return false; } }, // 選擇城市 bindRegionChange: function (e) { console.log("picker發送選擇改變,攜帶值為", e.detail.value); this.setData({ city: e.detail.value, }); },
官網:表單組件form
以上就是本文的全部內容,希望對大傢的學習有所幫助,也希望大傢多多支持WalkonNet。