微信小程序表单校验提交重置,数据互通(没接触过小程序,第一次写小程序,简单做个总结),代码中注释比较详细,可以多注意
微信小程序页面
index.js页面
import WxValidate from '../../utils/WxValidate.js'
Page({
data: {
countyList: ['', '', '', ''],
countyIndex: 0,
default: '请选择(必填)',
from:{
PHONE: '',
NAME: '',
}
},
changeCounty(e) {
let countyIndex = e.detail.value
let countyList = this.data.countyList
this.setData({
countyIndex,
default: countyList[countyIndex]
})
},
formSubmit: function (e) {
console.log('form发生了submit事件，携带数据为：', e.detail.value);
var that = this;
var formData = e.detail.value;
var AREA = this.data.countyList[e.detail.value.AREA];
formData.AREA=AREA;
if (!this.WxValidate.checkForm(formData)) {
const error = this.WxValidate.errorList[0]
this.showModal(error)
return false
}
wx.request({
url: 'URL',
data: {
formData
},
method: 'POST',
header: {
'content-type': 'application/json'
},
success: function (res) {
console.log('返回数据：', res);
if (res.data.status == 1){
that.setData({
form_info: ''
})
that.setData({
default: '请选择(必填)'
});
wx.showToast({
title: '成功',
icon: 'success',
duration: 2000
})
}else{
wx.showToast({
title: '失败',
icon: 'error',
duration: 2000
})
}
},
})
},
formReset:function(e){
this.setData({
default:'请选择(必填)'
})
},
showModal(error) {
wx.showModal({
content: error.msg,
})
},
initValidate:function() {
const rules = {
PHONE: {
required: true,
tel: true
},
NAME: {
required: true,
maxlength: 10,
},
}
const messages = {
PHONE: {
required: '请填写联系电话',
tel: '请填写正确的联系电话'
},
NAME: {
required: '请填写姓名',
maxlength: '名称长度不超过10个字！'
},
}
this.WxValidate = new WxValidate(rules, messages)
},
onLoad: function (options) {
this.initValidate()
},
})
index.wxml页面
<!--pages/biji/biji.wxml-->
<form bindsubmit="formSubmit" bindreset="formReset">
<view class='input_w professional'>
<text class='left'>投诉电话:</text>
<view class='input left'>
<input placeholder='请输入电话号码(必填)' cursor-spacing='20' name='PHONE' value='{{form_info}}'></input>
</view>
</view>
<view class='input_w professional'>
<text class='left'>客户名称:</text>
<view class='input left'>
<input placeholder='请输入客户名称(必填)' cursor-spacing='20' name='NAME' value='{{form_info}}'></input>
</view>
</view>
<view class='input_w professional'>
<text class='left'>地区选择:</text>
<view class='input left'>
<picker bindchange="changeCounty" value="{{countyIndex}}" range="{{countyList}}" name="AREA">
<view class="picker">
{{default}}
</view>
</picker>
</view>
</view>
<view class='textarea_w'>
<text class='left'>多行文本</text>
<view class='textarea left'>
<textarea placeholder='投诉内容(必填)' cursor-spacing='20' name="COMPLAIN_CONTENT" value='{{form_info}}'></textarea>
</view>
</view>
<button class='subClass_btn2' type="primary" formType="reset">重置</button>
<button class='subClass_btn2' type="primary" formType="submit">派单</button>
</form>
index.wxss页面 样式页面 没什么好看的
page{
font-size: 30rpx;
}
.left{ float: left}
.right{float: right}
.index_seach {
width: 100%;
margin-top: 20rpx;
height: auto;
margin-bottom: 30rpx;
}
.input_w {
width: 100%;
height: 90rpx;
line-height: 90rpx;
}
.input_w text {
display: block;
width: 20%;
text-align: center;
}
.input_w .input {
width: 75%;
height: 70rpx;
margin-top: 10rpx;
border: 1px solid #ccc;
box-sizing: border-box;
}
.input input {
margin-top: 10rpx;
margin-left: 10rpx;
}
.textarea_w {
display: block;
width: 100%;
height: 180rpx;
overflow: hidden;
}
.textarea_w text {
display: block;
width: 20%;
text-align: center;
line-height: 90rpx;
}
.textarea {
width: 75%;
height: 140rpx;
margin-top: 10rpx;
border: 1px solid #ccc;
padding: 8rpx;
overflow: hidden;
}
.textarea textarea {
width: 100%;
height: 130rpx;
}
.subClass_btn2 {
margin-top: 40rpx;
width: 80%;
height: 80rpx;
line-height: 80rpx;
font-size: 30rpx;
color: #fff;
background: #20bd03;
background-color: #efeff4;}
.tui-picker-content{
padding: 30rpx;
text-align: center;
}
.tui-picker-name{
height: 80rpx;
line-height: 80rpx;
}
.tui-picker-detail{
height: 80rpx;
line-height: 80rpx;
background-color: #fff;
font-size: 35rpx;
padding: 0 10px;
overflow: hidden;
}
WxValidate.js 表单校验工具 直接在utils包下新建一个WxValidate.js,然后把代码复制进去即可
class WxValidate {
constructor(rules = {}, messages = {}) {
Object.assign(this, {
data: {},
rules,
messages,
})
this.__init()
}
__init() {
this.__initMethods()
this.__initDefaults()
this.__initData()
}
__initData() {
this.form = {}
this.errorList = []
}
__initDefaults() {
this.defaults = {
messages: {
required: '这是必填字段。',
email: '请输入有效的电子邮件地址。',
tel: '请输入11位的手机号码。',
url: '请输入有效的网址。',
date: '请输入有效的日期。',
dateISO: '请输入有效的日期（ISO），例如：2009-06-23，1998/01/22。',
number: '请输入有效的数字。',
digits: '只能输入数字。',
idcard: '请输入18位的有效身份证。',
equalTo: this.formatTpl('输入值必须和 {0} 相同。'),
contains: this.formatTpl('输入值必须包含 {0}。'),
minlength: this.formatTpl('最少要输入 {0} 个字符。'),
maxlength: this.formatTpl('最多可以输入 {0} 个字符。'),
rangelength: this.formatTpl('请输入长度在 {0} 到 {1} 之间的字符。'),
min: this.formatTpl('请输入不小于 {0} 的数值。'),
max: this.formatTpl('请输入不大于 {0} 的数值。'),
range: this.formatTpl('请输入范围在 {0} 到 {1} 之间的数值。'),
}
}
}
__initMethods() {
const that = this
that.methods = {
required(value, param) {
if (!that.depend(param)) {
return 'dependency-mismatch'
} else if (typeof value === 'number') {
value = value.toString()
} else if (typeof value === 'boolean') {
return !0
}
return value.length > 0
},
email(value) {
return that.optional(value) || /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/.test(value)
},
tel(value) {
return that.optional(value) || /^1[34578]\d{9}$/.test(value)
},
/**
* 验证URL格式
*/
url(value) {
return that.optional(value) || /^(?:(?:(?:https?|ftp):)?\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})).?)(?::\d{2,5})?(?:[/?#]\S*)?$/i.test(value)
},
/**
* 验证日期格式
*/
date(value) {
return that.optional(value) || !/Invalid|NaN/.test(new Date(value).toString())
},
/**
* 验证ISO类型的日期格式
*/
dateISO(value) {
return that.optional(value) || /^\d{4}[\/\-](0?[1-9]|1[012])[\/\-](0?[1-9]|[12][0-9]|3[01])$/.test(value)
},
/**
* 验证十进制数字
*/
number(value) {
return that.optional(value) || /^(?:-?\d+|-?\d{1,3}(?:,\d{3})+)?(?:\.\d+)?$/.test(value)
},
/**
* 验证整数
*/
digits(value) {
return that.optional(value) || /^\d+$/.test(value)
},
/**
* 验证身份证号码
*/
idcard(value) {
return that.optional(value) || /^[1-9]\d{5}[1-9]\d{3}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}([0-9]|X)$/.test(value)
},
/**
* 验证两个输入框的内容是否相同
*/
equalTo(value, param) {
return that.optional(value) || value === that.data[param]
},
/**
* 验证是否包含某个值
*/
contains(value, param) {
return that.optional(value) || value.indexOf(param) >= 0
},
/**
* 验证最小长度
*/
minlength(value, param) {
return that.optional(value) || value.length >= param
},
/**
* 验证最大长度
*/
maxlength(value, param) {
return that.optional(value) || value.length <= param
},
/**
* 验证一个长度范围[min, max]
*/
rangelength(value, param) {
return that.optional(value) || (value.length >= param[0] && value.length <= param[1])
},
/**
* 验证最小值
*/
min(value, param) {
return that.optional(value) || value >= param
},
/**
* 验证最大值
*/
max(value, param) {
return that.optional(value) || value <= param
},
/**
* 验证一个值范围[min, max]
*/
range(value, param) {
return that.optional(value) || (value >= param[0] && value <= param[1])
},
}
}
/**
* 添加自定义验证方法
* @param {String} name 方法名
* @param {Function} method 函数体，接收两个参数(value, param)，value表示元素的值，param表示参数
* @param {String} message 提示信息
*/
addMethod(name, method, message) {
this.methods[name] = method
this.defaults.messages[name] = message !== undefined ? message : this.defaults.messages[name]
}
/**
* 判断验证方法是否存在
*/
isValidMethod(value) {
let methods = []
for (let method in this.methods) {
if (method && typeof this.methods[method] === 'function') {
methods.push(method)
}
}
return methods.indexOf(value) !== -1
}
/**
* 格式化提示信息模板
*/
formatTpl(source, params) {
const that = this
if (arguments.length === 1) {
return function () {
let args = Array.from(arguments)
args.unshift(source)
return that.formatTpl.apply(this, args)
}
}
if (params === undefined) {
return source
}
if (arguments.length > 2 && params.constructor !== Array) {
params = Array.from(arguments).slice(1)
}
if (params.constructor !== Array) {
params = [params]
}
params.forEach(function (n, i) {
source = source.replace(new RegExp("\\{" + i + "\\}", "g"), function () {
return n
})
})
return source
}
/**
* 判断规则依赖是否存在
*/
depend(param) {
switch (typeof param) {
case 'boolean':
param = param
break
case 'string':
param = !!param.length
break
case 'function':
param = param()
default:
param = !0
}
return param
}
/**
* 判断输入值是否为空
*/
optional(value) {
return !this.methods.required(value) && 'dependency-mismatch'
}
/**
* 获取自定义字段的提示信息
* @param {String} param 字段名
* @param {Object} rule 规则
*/
customMessage(param, rule) {
const params = this.messages[param]
const isObject = typeof params === 'object'
if (params && isObject) return params[rule.method]
}
/**
* 获取某个指定字段的提示信息
* @param {String} param 字段名
* @param {Object} rule 规则
*/
defaultMessage(param, rule) {
let message = this.customMessage(param, rule) || this.defaults.messages[rule.method]
let type = typeof message
if (type === 'undefined') {
message = `Warning: No message defined for ${rule.method}.`
} else if (type === 'function') {
message = message.call(this, rule.parameters)
}
return message
}
formatTplAndAdd(param, rule, value) {
let msg = this.defaultMessage(param, rule)
this.errorList.push({
param: param,
msg: msg,
value: value,
})
}
/**
* 验证某个指定字段的规则
* @param {String} param 字段名
* @param {Object} rules 规则
* @param {Object} data 需要验证的数据对象
*/
checkParam(param, rules, data) {
this.data = data
// 缓存字段对应的值
const value = data[param] !== null && data[param] !== undefined ? data[param] : ''
// 遍历某个指定字段的所有规则，依次验证规则，否则缓存错误信息
for (let method in rules) {
// 判断验证方法是否存在
if (this.isValidMethod(method)) {
// 缓存规则的属性及值
const rule = {
method: method,
parameters: rules[method]
}
// 调用验证方法
const result = this.methods[method](value, rule.parameters)
// 若result返回值为dependency-mismatch，则说明该字段的值为空或非必填字段
if (result === 'dependency-mismatch') {
continue
}
this.setValue(param, method, result, value)
// 判断是否通过验证，否则缓存错误信息，跳出循环
if (!result) {
this.formatTplAndAdd(param, rule, value)
break
}
}
}
}
/**
* 设置字段的默认验证值
* @param {String} param 字段名
*/
setView(param) {
this.form[param] = {
$name: param,
$valid: true,
$invalid: false,
$error: {},
$success: {},
$viewValue: ``,
}
}
setValue(param, method, result, value) {
const params = this.form[param]
params.$valid = result
params.$invalid = !result
params.$error[method] = !result
params.$success[method] = result
params.$viewValue = value
}
checkForm(data) {
this.__initData()
for (let param in this.rules) {
this.setView(param)
this.checkParam(param, this.rules[param], data)
}
return this.valid()
}
valid() {
return this.size() === 0
}
size() {
return this.errorList.length
}
validationErrors() {
return this.errorList
}
}
export default WxValidate
