You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
447 lines
12 KiB
447 lines
12 KiB
4 years ago
|
<template>
|
||
|
<!-- -->
|
||
|
<view class="uni-forms" :class="{'uni-forms--top':!border}">
|
||
|
<form @submit.stop="submitForm" @reset="resetForm">
|
||
|
<slot></slot>
|
||
|
</form>
|
||
|
</view>
|
||
|
</template>
|
||
|
|
||
|
<script>
|
||
|
import Vue from 'vue'
|
||
|
import Validator from './validate.js'
|
||
|
Vue.prototype.binddata = function(name, value, formName) {
|
||
|
if (formName) {
|
||
|
this.$refs[formName].setValue(name, value)
|
||
|
} else {
|
||
|
let formVm
|
||
|
for (let i in this.$refs) {
|
||
|
const vm = this.$refs[i]
|
||
|
if (vm && vm.$options && vm.$options.name === 'uniForms') {
|
||
|
formVm = vm
|
||
|
break
|
||
|
}
|
||
|
}
|
||
|
if (!formVm) return console.error('当前 uni-froms 组件缺少 ref 属性')
|
||
|
formVm.setValue(name, value)
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Forms 表单
|
||
|
* @description 由输入框、选择器、单选框、多选框等控件组成,用以收集、校验、提交数据
|
||
|
* @tutorial https://ext.dcloud.net.cn/plugin?id=2773
|
||
|
* @property {Object} rules 表单校验规则
|
||
|
* @property {String} validateTrigger = [bind|submit] 校验触发器方式 默认 submit 可选
|
||
|
* @value bind 发生变化时触发
|
||
|
* @value submit 提交时触发
|
||
|
* @property {String} labelPosition = [top|left] label 位置 默认 left 可选
|
||
|
* @value top 顶部显示 label
|
||
|
* @value left 左侧显示 label
|
||
|
* @property {String} labelWidth label 宽度,默认 65px
|
||
|
* @property {String} labelAlign = [left|center|right] label 居中方式 默认 left 可选
|
||
|
* @value left label 左侧显示
|
||
|
* @value center label 居中
|
||
|
* @value right label 右侧对齐
|
||
|
* @property {String} errShowType = [undertext|toast|modal] 校验错误信息提示方式
|
||
|
* @value undertext 错误信息在底部显示
|
||
|
* @value toast 错误信息toast显示
|
||
|
* @value modal 错误信息modal显示
|
||
|
* @event {Function} submit 提交时触发
|
||
|
*/
|
||
|
|
||
|
export default {
|
||
|
name: 'uniForms',
|
||
|
props: {
|
||
|
value: {
|
||
|
type: Object,
|
||
|
default () {
|
||
|
return {}
|
||
|
}
|
||
|
},
|
||
|
// 表单校验规则
|
||
|
rules: {
|
||
|
type: Object,
|
||
|
default () {
|
||
|
return {}
|
||
|
}
|
||
|
},
|
||
|
// 校验触发器方式,默认 关闭
|
||
|
validateTrigger: {
|
||
|
type: String,
|
||
|
default: ''
|
||
|
},
|
||
|
// label 位置,可选值 top/left
|
||
|
labelPosition: {
|
||
|
type: String,
|
||
|
default: 'left'
|
||
|
},
|
||
|
// label 宽度,单位 px
|
||
|
labelWidth: {
|
||
|
type: [String, Number],
|
||
|
default: 65
|
||
|
},
|
||
|
// label 居中方式,可选值 left/center/right
|
||
|
labelAlign: {
|
||
|
type: String,
|
||
|
default: 'left'
|
||
|
},
|
||
|
errShowType: {
|
||
|
type: String,
|
||
|
default: 'undertext'
|
||
|
},
|
||
|
border: {
|
||
|
type: Boolean,
|
||
|
default: false
|
||
|
}
|
||
|
},
|
||
|
data() {
|
||
|
return {
|
||
|
formData: {}
|
||
|
};
|
||
|
},
|
||
|
watch: {
|
||
|
rules(newVal) {
|
||
|
this.init(newVal)
|
||
|
},
|
||
|
trigger(trigger) {
|
||
|
this.formTrigger = trigger
|
||
|
},
|
||
|
},
|
||
|
created() {
|
||
|
let _this = this
|
||
|
this.childrens = []
|
||
|
this.inputChildrens = []
|
||
|
this.checkboxChildrens = []
|
||
|
this.formRules = []
|
||
|
// this.init(this.rules)
|
||
|
},
|
||
|
mounted() {
|
||
|
this.init(this.rules)
|
||
|
},
|
||
|
methods: {
|
||
|
init(formRules) {
|
||
|
// 判断是否有规则
|
||
|
if (Object.keys(formRules).length > 0) {
|
||
|
this.formTrigger = this.trigger
|
||
|
this.formRules = formRules
|
||
|
// if (!this.validator) {
|
||
|
this.validator = new Validator(formRules)
|
||
|
// }
|
||
|
} else {
|
||
|
return
|
||
|
}
|
||
|
// 判断表单存在那些实例
|
||
|
for (let i in this.value) {
|
||
|
const itemData = this.childrens.find(v => v.name === i)
|
||
|
if (itemData) {
|
||
|
this.formData[i] = this.value[i]
|
||
|
itemData.init()
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// watch 每个属性 ,需要知道具体那个属性发变化
|
||
|
Object.keys(this.value).forEach((key) => {
|
||
|
this.$watch('value.' + key, (newVal) => {
|
||
|
const itemData = this.childrens.find(v => v.name === key)
|
||
|
if (itemData) {
|
||
|
this.formData[key] = this._getValue(key, newVal)
|
||
|
itemData.init()
|
||
|
} else {
|
||
|
this.formData[key] = this.value[key] || null
|
||
|
}
|
||
|
})
|
||
|
})
|
||
|
},
|
||
|
/**
|
||
|
* 设置校验规则
|
||
|
* @param {Object} formRules
|
||
|
*/
|
||
|
setRules(formRules) {
|
||
|
this.init(formRules)
|
||
|
},
|
||
|
/**
|
||
|
* 公开给用户使用
|
||
|
* 设置自定义表单组件 value 值
|
||
|
* @param {String} name 字段名称
|
||
|
* @param {String} value 字段值
|
||
|
*/
|
||
|
setValue(name, value, callback) {
|
||
|
let example = this.childrens.find(child => child.name === name)
|
||
|
if (!example) return null
|
||
|
value = this._getValue(example.name, value)
|
||
|
this.formData[name] = value
|
||
|
example.val = value
|
||
|
this.$emit('input', Object.assign({}, this.value, this.formData))
|
||
|
return example.triggerCheck(value, callback)
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* TODO 表单提交, 小程序暂不支持这种用法
|
||
|
* @param {Object} event
|
||
|
*/
|
||
|
submitForm(event) {
|
||
|
const value = event.detail.value
|
||
|
return this.validateAll(value || this.formData, 'submit')
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* 表单重置
|
||
|
* @param {Object} event
|
||
|
*/
|
||
|
resetForm(event) {
|
||
|
this.childrens.forEach(item => {
|
||
|
item.errMsg = ''
|
||
|
const inputComp = this.inputChildrens.find(child => child.rename === item.name)
|
||
|
if (inputComp) {
|
||
|
inputComp.errMsg = ''
|
||
|
inputComp.$emit('input', inputComp.multiple ? [] : '')
|
||
|
}
|
||
|
})
|
||
|
|
||
|
this.childrens.forEach((item) => {
|
||
|
if (item.name) {
|
||
|
this.formData[item.name] = this._getValue(item.name, '')
|
||
|
}
|
||
|
})
|
||
|
|
||
|
this.$emit('input', this.formData)
|
||
|
this.$emit('reset', event)
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* 触发表单校验,通过 @validate 获取
|
||
|
* @param {Object} validate
|
||
|
*/
|
||
|
validateCheck(validate) {
|
||
|
if (validate === null) validate = null
|
||
|
this.$emit('validate', validate)
|
||
|
},
|
||
|
/**
|
||
|
* 校验所有或者部分表单
|
||
|
*/
|
||
|
async validateAll(invalidFields, type, callback) {
|
||
|
this.childrens.forEach(item => {
|
||
|
item.errMsg = ''
|
||
|
})
|
||
|
|
||
|
let promise;
|
||
|
if (!callback && typeof callback !== 'function' && Promise) {
|
||
|
promise = new Promise((resolve, reject) => {
|
||
|
callback = function(valid, invalidFields) {
|
||
|
!valid ? resolve(invalidFields) : reject(valid);
|
||
|
};
|
||
|
});
|
||
|
}
|
||
|
|
||
|
let fieldsValue = {}
|
||
|
let tempInvalidFields = Object.assign({}, invalidFields)
|
||
|
|
||
|
Object.keys(this.formRules).forEach(item => {
|
||
|
const values = this.formRules[item]
|
||
|
const rules = (values && values.rules) || []
|
||
|
let isNoField = false
|
||
|
for (let i = 0; i < rules.length; i++) {
|
||
|
const rule = rules[i]
|
||
|
if (rule.required) {
|
||
|
isNoField = true
|
||
|
break
|
||
|
}
|
||
|
}
|
||
|
// 如果存在 required 才会将内容插入校验对象
|
||
|
if (!isNoField &&
|
||
|
((tempInvalidFields[item] === undefined ||
|
||
|
tempInvalidFields[item] === '') &&
|
||
|
tempInvalidFields[item] !== false
|
||
|
)) {
|
||
|
delete tempInvalidFields[item]
|
||
|
}
|
||
|
})
|
||
|
|
||
|
// 循环字段是否存在于校验规则中
|
||
|
for (let i in this.formRules) {
|
||
|
for (let j in tempInvalidFields) {
|
||
|
const index = this.childrens.findIndex(v => v.name === j)
|
||
|
if (i === j && index !== -1) {
|
||
|
fieldsValue[i] = tempInvalidFields[i]
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
let result = []
|
||
|
let example = null
|
||
|
|
||
|
let newFormData = {}
|
||
|
this.childrens.forEach(v => {
|
||
|
newFormData[v.name] = this._getValue(v.name, invalidFields[v.name])
|
||
|
})
|
||
|
if (this.validator) {
|
||
|
for (let i in fieldsValue) {
|
||
|
// 循环校验,目的是异步校验
|
||
|
const resultData = await this.validator.validateUpdate({
|
||
|
[i]: fieldsValue[i]
|
||
|
}, this.formData)
|
||
|
|
||
|
// 未通过
|
||
|
if (resultData) {
|
||
|
// 获取当前未通过子组件实例
|
||
|
example = this.childrens.find(child => child.name === resultData.key)
|
||
|
// 获取easyInput 组件实例
|
||
|
const inputComp = this.inputChildrens.find(child => child.rename === (example && example
|
||
|
.name))
|
||
|
if (inputComp) {
|
||
|
inputComp.errMsg = resultData.errorMessage
|
||
|
}
|
||
|
result.push(resultData)
|
||
|
// 区分触发类型
|
||
|
if (this.errShowType === 'undertext') {
|
||
|
if (example) example.errMsg = resultData.errorMessage
|
||
|
} else {
|
||
|
if (this.errShowType === 'toast') {
|
||
|
uni.showToast({
|
||
|
title: resultData.errorMessage || '校验错误',
|
||
|
icon: 'none'
|
||
|
})
|
||
|
break
|
||
|
} else if (this.errShowType === 'modal') {
|
||
|
uni.showModal({
|
||
|
title: '提示',
|
||
|
content: resultData.errorMessage || '校验错误'
|
||
|
})
|
||
|
break
|
||
|
} else {
|
||
|
if (example) example.errMsg = resultData.errorMessage
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (Array.isArray(result)) {
|
||
|
if (result.length === 0) result = null
|
||
|
}
|
||
|
|
||
|
if (type === 'submit') {
|
||
|
this.$emit('submit', {
|
||
|
detail: {
|
||
|
value: newFormData,
|
||
|
errors: result
|
||
|
}
|
||
|
})
|
||
|
} else {
|
||
|
this.$emit('validate', result)
|
||
|
}
|
||
|
|
||
|
callback && typeof callback === 'function' && callback(result, newFormData)
|
||
|
|
||
|
if (promise && callback) {
|
||
|
return promise
|
||
|
} else {
|
||
|
return null
|
||
|
}
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* 外部调用方法
|
||
|
* 手动提交校验表单
|
||
|
* 对整个表单进行校验的方法,参数为一个回调函数。
|
||
|
*/
|
||
|
submit(callback) {
|
||
|
// Object.assign(this.formData,formData)
|
||
|
for (let i in this.value) {
|
||
|
const itemData = this.childrens.find(v => v.name === i)
|
||
|
if (itemData) {
|
||
|
if (this.formData[i] === undefined) {
|
||
|
this.formData[i] = this._getValue(i, this.value[i])
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
return this.validateAll(this.formData, 'submit', callback)
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* 外部调用方法
|
||
|
* 校验表单
|
||
|
* 对整个表单进行校验的方法,参数为一个回调函数。
|
||
|
*/
|
||
|
validate(callback) {
|
||
|
return this.validateAll(this.formData, '', callback)
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* 部分表单校验
|
||
|
* @param {Object} props
|
||
|
* @param {Object} cb
|
||
|
*/
|
||
|
validateField(props, callback) {
|
||
|
props = [].concat(props);
|
||
|
let invalidFields = {}
|
||
|
this.childrens.forEach(item => {
|
||
|
if (props.indexOf(item.name) !== -1) {
|
||
|
invalidFields = Object.assign({}, invalidFields, {
|
||
|
[item.name]: this.formData[item.name]
|
||
|
})
|
||
|
}
|
||
|
})
|
||
|
return this.validateAll(invalidFields, '', callback)
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* 对整个表单进行重置,将所有字段值重置为初始值并移除校验结果
|
||
|
*/
|
||
|
resetFields() {
|
||
|
this.resetForm()
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* 移除表单项的校验结果。传入待移除的表单项的 prop 属性或者 prop 组成的数组,如不传则移除整个表单的校验结果
|
||
|
*/
|
||
|
clearValidate(props) {
|
||
|
props = [].concat(props);
|
||
|
this.childrens.forEach(item => {
|
||
|
const inputComp = this.inputChildrens.find(child => child.rename === item.name)
|
||
|
if (props.length === 0) {
|
||
|
item.errMsg = ''
|
||
|
if (inputComp) {
|
||
|
inputComp.errMsg = ''
|
||
|
}
|
||
|
} else {
|
||
|
if (props.indexOf(item.name) !== -1) {
|
||
|
item.errMsg = ''
|
||
|
if (inputComp) {
|
||
|
inputComp.errMsg = ''
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
})
|
||
|
},
|
||
|
/**
|
||
|
* 把 value 转换成指定的类型
|
||
|
* @param {Object} key
|
||
|
* @param {Object} value
|
||
|
*/
|
||
|
_getValue(key, value) {
|
||
|
const rules = (this.formRules[key] && this.formRules[key].rules) || []
|
||
|
const isRuleNum = rules.find(val => val.format && this.type_filter(val.format))
|
||
|
const isRuleBool = rules.find(val => val.format && val.format === 'boolean' || val.format === 'bool')
|
||
|
// 输入值为 number
|
||
|
if (isRuleNum) {
|
||
|
value = isNaN(value) ? value : (value === '' || value === null ? null : Number(value))
|
||
|
}
|
||
|
// 简单判断真假值
|
||
|
if (isRuleBool) {
|
||
|
value = !value ? false : true
|
||
|
}
|
||
|
return value
|
||
|
},
|
||
|
/**
|
||
|
* 过滤数字类型
|
||
|
* @param {Object} format
|
||
|
*/
|
||
|
type_filter(format) {
|
||
|
return format === 'int' || format === 'double' || format === 'number' || format === 'timestamp'
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
</script>
|
||
|
|
||
|
<style scoped></style>
|