初始化 form 动态表单的详情，暂未接入数据
YunaiV
4 years ago
parent
430f1369be
commit
dffd175ccf
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【add by 芋道源码】来自 https://github.com/JakHuang/form-generator/tree/dev/src/components/generator 目录
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<script>
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import { deepClone } from '@/utils/index'
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// import render from '@/components/render/render.js'
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import render from '../render/render.js' // edit by 芋道源码
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const ruleTrigger = {
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'el-input': 'blur',
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'el-input-number': 'blur',
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'el-select': 'change',
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'el-radio-group': 'change',
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'el-checkbox-group': 'change',
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'el-cascader': 'change',
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'el-time-picker': 'change',
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'el-date-picker': 'change',
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'el-rate': 'change'
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}
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const layouts = {
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colFormItem(h, scheme) {
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const config = scheme.__config__
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const listeners = buildListeners.call(this, scheme)
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let labelWidth = config.labelWidth ? `${config.labelWidth}px` : null
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if (config.showLabel === false) labelWidth = '0'
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return (
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<el-col span={config.span}>
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<el-form-item label-width={labelWidth} prop={scheme.__vModel__}
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label={config.showLabel ? config.label : ''}>
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<render conf={scheme} on={listeners} />
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</el-form-item>
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</el-col>
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)
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},
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rowFormItem(h, scheme) {
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let child = renderChildren.apply(this, arguments)
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if (scheme.type === 'flex') {
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child = <el-row type={scheme.type} justify={scheme.justify} align={scheme.align}>
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{child}
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</el-row>
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}
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return (
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<el-col span={scheme.span}>
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<el-row gutter={scheme.gutter}>
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{child}
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</el-row>
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</el-col>
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)
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}
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}
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function renderFrom(h) {
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const { formConfCopy } = this
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return (
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<el-row gutter={formConfCopy.gutter}>
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<el-form
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size={formConfCopy.size}
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label-position={formConfCopy.labelPosition}
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disabled={formConfCopy.disabled}
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label-width={`${formConfCopy.labelWidth}px`}
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ref={formConfCopy.formRef}
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// model不能直接赋值 https://github.com/vuejs/jsx/issues/49#issuecomment-472013664
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props={{ model: this[formConfCopy.formModel] }}
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rules={this[formConfCopy.formRules]}
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>
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{renderFormItem.call(this, h, formConfCopy.fields)}
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{formConfCopy.formBtns && formBtns.call(this, h)}
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</el-form>
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</el-row>
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)
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}
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function formBtns(h) {
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return <el-col>
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<el-form-item size="large">
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<el-button type="primary" onClick={this.submitForm}>提交</el-button>
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<el-button onClick={this.resetForm}>重置</el-button>
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</el-form-item>
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</el-col>
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}
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function renderFormItem(h, elementList) {
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return elementList.map(scheme => {
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const config = scheme.__config__
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const layout = layouts[config.layout]
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if (layout) {
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return layout.call(this, h, scheme)
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}
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throw new Error(`没有与${config.layout}匹配的layout`)
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})
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}
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function renderChildren(h, scheme) {
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const config = scheme.__config__
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if (!Array.isArray(config.children)) return null
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return renderFormItem.call(this, h, config.children)
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}
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function setValue(event, config, scheme) {
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this.$set(config, 'defaultValue', event)
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this.$set(this[this.formConf.formModel], scheme.__vModel__, event)
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}
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function buildListeners(scheme) {
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const config = scheme.__config__
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const methods = this.formConf.__methods__ || {}
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const listeners = {}
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// 给__methods__中的方法绑定this和event
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Object.keys(methods).forEach(key => {
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listeners[key] = event => methods[key].call(this, event)
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})
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// 响应 render.js 中的 vModel $emit('input', val)
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listeners.input = event => setValue.call(this, event, config, scheme)
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return listeners
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}
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export default {
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components: {
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render
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},
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props: {
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formConf: {
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type: Object,
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required: true
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}
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},
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data() {
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const data = {
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formConfCopy: deepClone(this.formConf),
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[this.formConf.formModel]: {},
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[this.formConf.formRules]: {}
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}
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this.initFormData(data.formConfCopy.fields, data[this.formConf.formModel])
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this.buildRules(data.formConfCopy.fields, data[this.formConf.formRules])
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return data
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},
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methods: {
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initFormData(componentList, formData) {
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componentList.forEach(cur => {
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const config = cur.__config__
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if (cur.__vModel__) formData[cur.__vModel__] = config.defaultValue
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// debugger
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if (config.children) this.initFormData(config.children, formData)
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})
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},
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buildRules(componentList, rules) {
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componentList.forEach(cur => {
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const config = cur.__config__
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if (Array.isArray(config.regList)) {
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if (config.required) {
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const required = { required: config.required, message: cur.placeholder }
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if (Array.isArray(config.defaultValue)) {
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required.type = 'array'
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required.message = `请至少选择一个${config.label}`
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}
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required.message === undefined && (required.message = `${config.label}不能为空`)
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config.regList.push(required)
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}
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rules[cur.__vModel__] = config.regList.map(item => {
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item.pattern && (item.pattern = eval(item.pattern))
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item.trigger = ruleTrigger && ruleTrigger[config.tag]
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return item
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})
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}
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if (config.children) this.buildRules(config.children, rules)
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})
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},
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resetForm() {
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this.formConfCopy = deepClone(this.formConf)
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this.$refs[this.formConf.formRef].resetFields()
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},
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submitForm() {
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this.$refs[this.formConf.formRef].validate(valid => {
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if (!valid) return false
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// 触发sumit事件
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this.$emit('submit', this[this.formConf.formModel])
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return true
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})
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}
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},
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render(h) {
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return renderFrom.call(this, h)
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}
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}
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</script>
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## form-generator JSON 解析器
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>用于将form-generator导出的JSON解析成一个表单。
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### 安装组件
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```
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npm i form-gen-parser
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```
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或者
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```
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yarn add form-gen-parser
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```
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### 使用示例
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> [查看在线示例](https://mrhj.gitee.io/form-generator/#/parser)
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示例代码:
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> [src\components\parser\example\Index.vue](https://github.com/JakHuang/form-generator/blob/dev/src/components/parser/example/Index.vue)
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【add by 芋道源码】https://github.com/JakHuang/form-generator/blob/dev/src/components/parser/
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import Parser from './Parser'
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export default Parser
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{
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"name": "form-gen-parser",
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"version": "1.0.3",
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"description": "表单json解析器",
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"main": "lib/form-gen-parser.umd.js",
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"directories": {
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"example": "example"
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},
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"scripts": {
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"test": "echo \"Error: no test specified\" && exit 1"
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},
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"repository": {
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"type": "git",
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"url": "git+https://github.com/JakHuang/form-generator.git"
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},
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"dependencies": {
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"form-gen-render": "^1.0.0"
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},
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"author": "jakHuang",
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"license": "MIT",
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"bugs": {
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"url": "https://github.com/JakHuang/form-generator/issues"
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},
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"homepage": "https://github.com/JakHuang/form-generator/blob/dev/src/components/parser"
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}
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【add by 芋道源码】https://github.com/JakHuang/form-generator/blob/dev/src/components/render/
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{
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"name": "form-gen-render",
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"version": "1.0.4",
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"description": "表单核心render",
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"main": "lib/form-gen-render.umd.js",
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"scripts": {
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"test": "echo \"Error: no test specified\" && exit 1"
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},
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"repository": {
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"type": "git",
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"url": "git+https://github.com/JakHuang/form-generator.git"
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},
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"author": "jakhuang",
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"license": "MIT",
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"bugs": {
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"url": "https://github.com/JakHuang/form-generator/issues"
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},
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"homepage": "https://github.com/JakHuang/form-generator#readme"
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}
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export default {
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default(h, conf, key) {
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return conf.__slot__[key]
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}
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}
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export default {
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options(h, conf, key) {
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const list = []
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conf.__slot__.options.forEach(item => {
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if (conf.__config__.optionType === 'button') {
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list.push(<el-checkbox-button label={item.value}>{item.label}</el-checkbox-button>)
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} else {
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list.push(<el-checkbox label={item.value} border={conf.border}>{item.label}</el-checkbox>)
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}
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})
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return list
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}
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}
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export default {
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prepend(h, conf, key) {
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return <template slot="prepend">{conf.__slot__[key]}</template>
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},
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append(h, conf, key) {
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return <template slot="append">{conf.__slot__[key]}</template>
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}
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}
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export default {
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options(h, conf, key) {
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const list = []
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conf.__slot__.options.forEach(item => {
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if (conf.__config__.optionType === 'button') {
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list.push(<el-radio-button label={item.value}>{item.label}</el-radio-button>)
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} else {
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list.push(<el-radio label={item.value} border={conf.border}>{item.label}</el-radio>)
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}
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})
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return list
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}
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}
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export default {
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options(h, conf, key) {
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const list = []
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conf.__slot__.options.forEach(item => {
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list.push(<el-option label={item.label} value={item.value} disabled={item.disabled}></el-option>)
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})
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return list
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}
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}
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export default {
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'list-type': (h, conf, key) => {
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const list = []
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const config = conf.__config__
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if (conf['list-type'] === 'picture-card') {
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list.push(<i class="el-icon-plus"></i>)
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} else {
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list.push(<el-button size="small" type="primary" icon="el-icon-upload">{config.buttonText}</el-button>)
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}
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if (config.showTip) {
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list.push(
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<div slot="tip" class="el-upload__tip">只能上传不超过 {config.fileSize}{config.sizeUnit} 的{conf.accept}文件</div>
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)
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}
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return list
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}
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}
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