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Javascript 在onClickEvent不工作时将值传递给ReactJs中的另一个组件_Javascript_Reactjs - Fatal编程技术网

Javascript 在onClickEvent不工作时将值传递给ReactJs中的另一个组件

Javascript 在onClickEvent不工作时将值传递给ReactJs中的另一个组件,javascript,reactjs,Javascript,Reactjs,我正在将该值传递给另一个组件onclickEvent,但该值不会传递给另一个组件并显示空引用 我有两个组件,它们是DriverCards和DriverPendingOrders。我想将orderId的值从DriverCards传递给DriverPendingOrders 下面是我的两个工作组件 这是DriverCard组件 import React, { Component } from 'react'; import { connect } from "react-redux"; import

我正在将该值传递给另一个组件onclickEvent,但该值不会传递给另一个组件并显示空引用

我有两个组件,它们是DriverCards和DriverPendingOrders。我想将orderId的值从DriverCards传递给DriverPendingOrders

下面是我的两个工作组件

这是DriverCard组件

import React, { Component } from 'react';
import { connect } from "react-redux";
import PropTypes from "prop-types";

export default class DriverCard extends Component{

    constructor(props) {
        super(props);
    } 

    render(){

        let { OrderID,CID,DeliveryEst,DeliveryInstructions,DriverID,Orders,PrepInsruction,RID,Status,Total } = this.props.indOrder;

        return(

            <div class="container">
                <div class="card" style={{width:'100%',borderRadius:'2%', border: '4px solid lightgreen'}}>
                    <div class="card-body" style={{textAlign:'center'}}>
                        <h4 class="card-title">{CID}</h4>
                        <p class="card-text"><h5>{RID}</h5></p>
                        {/* <p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p> */}

                        <button type="button" onClick={() => {this.props.removeOrder(OrderID);this.props.showOrder.bind(this,OrderID)}}class="btn btn-success btn-sm" style={{width:'50%'}}>Accept</button> 


                        <button type="button" class="btn btn-danger btn-sm" style={{width:'50%'}}>Decline</button>
                    </div>
                </div>
            </div>
        )
    }
}
import React,{Component}来自'React';
从“react redux”导入{connect};
从“道具类型”导入道具类型;
导出默认类DriverCard扩展组件{
建造师(道具){
超级(道具);
} 
render(){
让{OrderID,CID,DeliveryEst,DeliveryInstructions,DriverID,Orders,preInstruction,RID,Status,Total}=this.props.indOrder;
返回(
{CID}

{RID}

{/*

上次更新是在3分钟前 {this.props.removeOrder(OrderID);this.props.showOrder.bind(this,OrderID)}class=“btn btn success btn sm”style={{width:'50%}>接受 减少 ) } }

下面是DriverPendingOrder组件,我想在其中获取从DriverCard传递的orderID

import React, { Component } from 'react'
import { connect } from "react-redux";
import PropTypes from "prop-types";
import DriverPendingCard from './DriverPendingCard';


export class DriverPendingOrders extends Component{

    constructor() {
        super();
        this.state = {
            Orderslist: [
              {
                  OrderID:parseInt("001"),
                CID:123,
                DeliveryEst:"",
                DeliveryInstructions:"Door",
                DriverID:"",
                Orders:"ABC",
                PrepInsruction:"Mild",
                RID:"A",
                Status:"",
                Total:""

              },
              {   
                  OrderID:parseInt("002"),
                  CID:456,
                  DeliveryEst:"",
                  DeliveryInstructions:"Front Door",
                  DriverID:"",
                  Orders:"BCD",
                  PrepInsruction:"Medium",
                  RID:"B",
                  Status:"",
                  Total:""
              },
              {
                  OrderID:parseInt("003"),
                  CID:678,
                  DeliveryEst:"",
                  DeliveryInstructions:"Gate",
                  DriverID:"",
                  Orders:"DEF",
                  PrepInsruction:"Spicy",
                  RID:"C",
                  Status:"",
                  Total:""
              }
            ]
          }

    }
      showOrder(OrderID) {



        this.setState({ Orderslist: this.state.Orderslist.filter(order=> order.OrderID == OrderID)});

      }
    render(){
        let dCard1 = this.state.Orderslist.map(order => {
            return (
              <DriverPendingCard key={order.OrderID} showOrder={this.showOrder.bind(this)} inOrder1={order}/>

            )
          })

        return(

            <div>
                <ul class="list-group">

                    {dCard1}

                </ul>
            </div>
        )
    }
}

export default DriverPendingOrders;
import React,{Component}来自“React”
从“react redux”导入{connect};
从“道具类型”导入道具类型;
从“./DriverPendingCard”导入DriverPendingCard;
导出类DriverPendingOrders扩展组件{
构造函数(){
超级();
此.state={
订单列表:[
{
OrderID:parseInt(“001”),
CID:123,
交货期:“,
送货说明:“门”,
DriverID:,
命令:“ABC”,
预说明:“轻度”,
里德:“A”,
地位:“,
总数:“”
},
{   
OrderID:parseInt(“002”),
CID:456,
交货期:“,
送货说明:“前门”,
DriverID:,
命令:“BCD”,
预说明:“中等”,
里德:“B”,
地位:“,
总数:“”
},
{
OrderID:parseInt(“003”),
CID:678,
交货期:“,
送货说明:“大门”,
DriverID:,
命令:“DEF”,
预说明:“辣”,
里德:“C”,
地位:“,
总数:“”
}
]
}
}
showOrder(OrderID){
this.setState({Orderslist:this.state.Orderslist.filter(order=>order.OrderID==OrderID)});
}
render(){
让dCard1=this.state.Orderslist.map(order=>{
返回(
)
})
返回(
    {dCard1}
) } } 导出默认驱动程序EndingOrders;
问题在以下部分

 <button type="button" onClick={() => {.....;this.props.showOrder.bind(this,OrderID)}}... 
下面是两个vanila js示例,以了解差异

非工作
函数myFunc(){
console.log('clicked')
}
document.querySelector('button')。addEventListener('click',(e)=>{
myFunc.bind(this);//未调用
})

点击我问题在以下部分

 <button type="button" onClick={() => {.....;this.props.showOrder.bind(this,OrderID)}}... 
下面是两个vanila js示例,以了解差异

非工作
函数myFunc(){
console.log('clicked')
}
document.querySelector('button')。addEventListener('click',(e)=>{
myFunc.bind(this);//未调用
})
点击我
this.showOrder(OrderID)**}inOrder1={order}/>
this.showOrder(OrderID)**}inOrder1={order}/>
从子级到父级

母公司

console.log(val)}/>
孩子们

to_Parent=()=>{
这是来自儿童的道具(val);
}
到_Parent()}>
从子项到父项

母公司

console.log(val)}/>
孩子们

to_Parent=()=>{
这是来自儿童的道具(val);
}
到_Parent()}>
试试看

驾驶员卡:

<button onClick={this.add}>Add</button>
...
...
  add = () => {
    this.props.passId(id);
}
 import { DriverCard } from "../DriverCard";
   ...
   ...
 <DriverCard passId={this.changedId}/>
    ...
    ...
    changedId = passedId => {
        this.setState({
          id: passedId
        });
      };
添加
...
...
添加=()=>{
this.props.passId(id);
}
驱动程序结束顺序:

<button onClick={this.add}>Add</button>
...
...
  add = () => {
    this.props.passId(id);
}
 import { DriverCard } from "../DriverCard";
   ...
   ...
 <DriverCard passId={this.changedId}/>
    ...
    ...
    changedId = passedId => {
        this.setState({
          id: passedId
        });
      };
从“./DriverCard”导入{DriverCard};
...
...
...
...
changedId=passedId=>{
这是我的国家({
id:passedId
});
};
试试看

驾驶员卡:

<button onClick={this.add}>Add</button>
...
...
  add = () => {
    this.props.passId(id);
}
 import { DriverCard } from "../DriverCard";
   ...
   ...
 <DriverCard passId={this.changedId}/>
    ...
    ...
    changedId = passedId => {
        this.setState({
          id: passedId
        });
      };
添加
...
...
添加=()=>{
this.props.passId(id);
}
驱动程序结束顺序:

<button onClick={this.add}>Add</button>
...
...
  add = () => {
    this.props.passId(id);
}
 import { DriverCard } from "../DriverCard";
   ...
   ...
 <DriverCard passId={this.changedId}/>
    ...
    ...
    changedId = passedId => {
        this.setState({
          id: passedId
        });
      };
从“./DriverCard”导入{DriverCard};
...
...
...
...
changedId=passedId=>{
这是我的国家({
id:passedId
});
};

**只想告诉你我的建议**只想告诉你我的建议