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| import React,{Component} from 'react' import { Card, Icon, Form, Input, Cascader, Button, message, } from 'antd' import LinkButton from '../../../components/link-button' import {reqCategorys,reqAddUpdatePro} from '../../../api' import PicturesWall from './pictures-wall' import RichText from './rich-text'
const {Item}=Form const {TextArea}=Input
class AddUpdate extends Component{ constructor(props){ super(props) this.pw=React.createRef() this.editor=React.createRef()
this.state={ options:[], } }
initOptions= async (categorys)=>{ const options = categorys.map((v,k)=>({ value: v._id, label: v.name, isLeaf: false, }))
const {isUpdate, product} = this const {pCategoryId} = product if(isUpdate && pCategoryId!=='0') { const subCategorys = await this.getCategorys(pCategoryId) const childOptions = subCategorys.map(c => ({ value: c._id, label: c.name, isLeaf: true }))
const targetOption = options.find(option => option.value===pCategoryId)
targetOption.children = childOptions }
this.setState({ options }) }
getCategorys= async (parentId)=>{ const result = await reqCategorys(parentId) if(result.status===0){ const categorys = result.data if (parentId==='0') { this.initOptions(categorys) } else { return categorys } }else{ message.error('产品分类获取失败请刷新重试') } }
valiPrice=(rule, value, callback)=>{ if(value*1>0){ callback() }else{ callback('价格必须大于0') } }
onChange = (value, selectedOptions) => { console.log(value, selectedOptions); }
loadData = async selectedOptions => { const targetOption = selectedOptions[0]; targetOption.loading = true
const subCategorys = await this.getCategorys(targetOption.value) targetOption.loading = false if (subCategorys && subCategorys.length>0) { const childOptions = subCategorys.map(c => ({ value: c._id, label: c.name, isLeaf: true })) targetOption.children = childOptions } else { targetOption.isLeaf = true }
this.setState({ options: [...this.state.options], }) }
submit=()=>{ this.props.form.validateFields(async(error,values)=>{ if(!error){ const {name,desc,price,categoryIds}=values let pCategoryId,categoryId if(categoryIds.length===1){ pCategoryId='0' categoryId=categoryIds[0] }else{ pCategoryId=categoryIds[0] categoryId=categoryIds[1] } const imgs=this.pw.current.getImgs() const detail=this.editor.current.getDetail() const product={name,desc,price,imgs,detail,pCategoryId,categoryId} console.log(product)
const result=await reqAddUpdatePro(product) if(result.status===0){ message.success('添加产品成功') }else{ message.error('添加产品失败') }
}else{ console.log('验证失败,请检查产品数据') } })
}
componentWillMount(){ const product=this.props.location.state this.isUpdate=!!product this.product=product || {} } componentDidMount(){ this.getCategorys('0') } render(){ const {isUpdate,product}=this const{pCategoryId,categoryId,imgs,detail}=product
const categoryIds=[] if(pCategoryId==='0'){ categoryIds.push(categoryId) }else{ categoryIds.push(pCategoryId) categoryIds.push(categoryId) }
const title=( <span> <LinkButton onClick={()=>this.props.history.goBack()}> <Icon type='arrow-left' style={{fontSize:20}} /> </LinkButton> {/* 根据值确定显示内容 */} <span>{isUpdate?'修改商品':'添加商品'}</span> </span> ) //form内的Item的布局样式 const formItemLayout = { labelCol: {span: 2}, //左侧label标签的宽度占2个格栅 wrapperCol: {span: 8 }, //右侧(输入框外面有一层包裹)占8个格栅 };
//获取from的getFieldDecorator const {getFieldDecorator}=this.props.form
return( <Card title={title} extra=''> {/* 使用组件的扩展属性语法 */} <Form {...formItemLayout}> {/* label指定商品前面标签名,placeholder指定输入框提示内容 */} <Item label='商品名称'> {//商品名规则 getFieldDecorator('name',{ initialValue:product.name,//显示要修改的商品名 rules:[ {required:true,message:'商品名称必须填写'} ] })(<Input placeholder='输入商品名' />) } </Item>
<Item label='商品描述'> {//autoSize指定文本域最小高度和最大高度 getFieldDecorator('desc',{ initialValue:product.desc, // rules:[ {required:true,message:'商品描述必须输入'} ] })(<TextArea placeholder='输入商品描述' autoSize={{ minRows: 2, maxRows: 6 }} />) } </Item>
<Item label='商品价格'> {//validator自定义验证规则要求价格大于0 getFieldDecorator('price',{ initialValue:product.price, // rules:[ {required:true,message:'价格必须输入'}, {validator:(rule,value,callback)=>{ if(value*1>0){ //字符串*1:将字符串转化为数字类型 callback() //此处必须进行回调函数调用,否则将无法通过验证 }else{ callback('价格必须大于0') } }}, ] })(<Input type='number' placeholder='输入商品价格' addonAfter="元" />) } </Item>
<Item label="商品分类"> {//初始值设置为一个变量 getFieldDecorator('categoryIds', { initialValue: categoryIds, rules: [ {required: true, message: '必须指定商品分类'}, ] })(<Cascader placeholder='请指定商品分类' options={this.state.options} /*需要显示的列表数据数组*/ loadData={this.loadData} /*当选择某个列表项, 加载下一级列表的监听回调*/ /> ) }
</Item>
<Item label='商品图片'> {/* imgs传给子组件 PicturesWall */} <PicturesWall ref={this.pw} imgs={imgs} /> </Item>
<Item label='商品详情' labelCol={{span: 2}} wrapperCol={{span: 20}}> {/**指定把richtext对象装进editor里 * 【2】传detail给子组件RichText */} <RichText ref={this.editor} detail={detail} /> </Item>
<Item > <Button type='primary' onClick={this.submit}>提交</Button> </Item>
</Form> </Card> ) } } export default Form.create()(AddUpdate) //包装当前类使得到form的的强大函数
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