Complete example of WeChat mini program form verification function

Combined with the complete example form, the view and logical operation skills involved in completing the form verification function of the WeChat applet are analyzed. This article mainly introduces the form verification function of the WeChat applet. Friends in need can refer to it.

The example in this article describes the form verification function of the WeChat applet. Share it with everyone for your reference, the details are as follows:

Wxml

<form bindsubmit="formSubmit" bindreset="formReset">
 <input name="name" class="{{whoClass==&#39;name&#39;?&#39;placeholderClass&#39;:&#39;inputClass&#39;}}" placeholder="请填写您的姓名" type="text" confirm-type="next" focus="{{whoFocus==&#39;name&#39;?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==&#39;mobile&#39;?&#39;placeholderClass&#39;:&#39;inputClass&#39;}}" type="number" maxlength="11" placeholder="请填写您的手机号" bindblur="mobileBlurFocus" focus="{{whoFocus==&#39;mobile&#39;?true:false}}" />
 <input name="company" class="{{whoClass==&#39;company&#39;?&#39;placeholderClass&#39;:&#39;inputClass&#39;}}" placeholder="公司名称" type="text" confirm-type="next" focus="{{whoFocus==&#39;company&#39;?true:false}}" />
 <input name="client" class="{{whoClass==&#39;client&#39;?&#39;placeholderClass&#39;:&#39;inputClass&#39;}}" placeholder="绑定客户" type="text" confirm-type="done" focus="{{whoFocus==&#39;client&#39;?true:false}}" />
 <button formType="submit">提交</button>
</form>
<loading hidden="{{submitHidden}}">
 正在提交...
</loading>

app.js

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

news.js

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 () {
      }
    })
  }

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