微信小程序表单验证功能完整实例

<form bindsubmit="formSubmit" bindreset="formReset"> <input name="name" class="{{whoClass=='name'?'placeholderClass':'inputClass'}}" placeholder="请填写您的姓名" type="text" confirm-type="next" focus="{{whoFocus=='name'?true:false}}" bindblur="nameBlurFocus" /> <radio-group name="gender" bindchange="radioChange">  <radio value="0" checked />女士  <radio value="1" />先生 </radio-group> <input name="mobile" class="{{whoClass=='mobile'?'placeholderClass':'inputClass'}}" type="number" maxlength="11" placeholder="请填写您的手机号" bindblur="mobileBlurFocus" focus="{{whoFocus=='mobile'?true:false}}" /> <input name="company" class="{{whoClass=='company'?'placeholderClass':'inputClass'}}" placeholder="公司名称" type="text" confirm-type="next" focus="{{whoFocus=='company'?true:false}}" /> <input name="client" class="{{whoClass=='client'?'placeholderClass':'inputClass'}}" placeholder="绑定客户" type="text" confirm-type="done" focus="{{whoFocus=='client'?true:false}}" /> <button formType="submit">提交</button></form><loading hidden="{{submitHidden}}"> 正在提交...</loading>

import wxValidate from 'utils/wxValidate'App({  wxValidate: (rules, messages) => new wxValidate(rules, messages)})

var appInstance = getApp()//表单验证初始化onLoad: function () {    this.WxValidate = appInstance.WxValidate(      {        name: {          required: true,          minlength: 2,          maxlength: 10,        },        mobile: {          required: true,          tel: true,        },        company: {          required: true,          minlength: 2,          maxlength: 100,        },        client: {          required: true,          minlength: 2,          maxlength: 100,        }      }      , {        name: {          required: '请填写您的姓名姓名',        },        mobile: {          required: '请填写您的手机号',        },        company: {          required: '请输入公司名称',        },        client: {          required: '请输入绑定客户',        }      }    )  },  //表单提交   formSubmit: function (e) {     //提交错误描述    if (!this.WxValidate.checkForm(e)) {      const error = this.WxValidate.errorList[0]      // `${error.param} : ${error.msg} `      wx.showToast({        title: `${error.msg} `,        image: '/pages/images/error.png',        duration: 2000      })      return false    }    this.setData({ submitHidden: false })    var that = this    //提交    wx.request({      url: '',      data: {        Realname: e.detail.value.name,        Gender: e.detail.value.gender,        Mobile: e.detail.value.mobile,        Company: e.detail.value.company,        client: e.detail.value.client,        Identity: appInstance.userState.identity      },      method: 'POST',      success: function (requestRes) {        that.setData({ submitHidden: true })        appInstance.userState.status = 0        wx.navigateBack({          delta: 1        })      },      fail: function () {      },      complete: function () {      }    })  }