我正在深入到我的第一个react/redux应用程序,我一直在将我的分派操作映射到组件中的onClick事件时遇到了一些麻烦。通过发送到onClick事件Redux
我试过一对夫妇试图onclick事件绑定到调度的变化,但我总是最后两种:
ReferenceError: onMovieClick is not defined
或当我结束了绑定功能正确我会得到一个有关dispatch is not defined
的错误。
我的目标 我试图实现从存储功能的过滤器(删除)
动作/ movieActions.js
import * as actionTypes from './actionTypes'
export const createMovie = (movie) => {
return {
type: actionTypes.CREATE_MOVIE,
movie
}
};
export const deleteMovie = (id) => {
console.log('action triggered. movie index:' + id)
return {
type: actionTypes.DELETE_MOVIE,
id
}
}
减速器/ movieReducers.js
export default (state = [], action) => {
switch (action.type){
case 'CREATE_MOVIE':
return [
...state,
Object.assign({}, action.movie)
];
case 'DELETE_MOVIE':
return [
state.filter(({ id }) => id !== action.id)
]
default:
return state;
}
};
组件/ MovieList.js
import React from 'react'
import Slider from 'react-slick'
import { dispatch, connect } from 'react-redux'
import {Icon} from 'react-fa'
import { deleteMovie } from '../../actions/movieActions'
import 'slick-carousel/slick/slick.css'
import 'slick-carousel/slick/slick-theme.css'
import './MovieList.scss'
class MovieList extends React.Component{
constructor(props){
super (props)
}
handleClick(id) {
dispatch(deleteMovie(id))
}
onMovieClick(id){
dispatch.deleteMovie(id)
}
render() {
// Settings for slick-carousel
let settings = {
infinite: true,
speed: 500
}
return (
<div className='col-lg-12'>
{this.props.movies.map((b, i) =>
<div key={i} className="col-lg-2">
<Slider {...settings}>
{b.images.map((b, z) =>
<div className="img-wrapper">
<Icon name="trash" className="trash-icon" onClick={() =>
console.log(this.props.movies[i].id),
onMovieClick(this.props.movies[i].id)
}/>
<img className="img-responsive" key={z} src={b.base64}></img>
</div>
)}
</Slider>
<div className="text-left info">
<h2>{b.title}</h2>
<p>{b.genre}</p>
</div>
</div>
)}
</div>
)
}
}
// map state from store to props
const mapStateToProps = (state) => {
return {
movies: state.movies
}
};
// Map actions to props
const mapDispatchToProps = (dispatch) => {
return {
onMovieClick: (id) => {
dispatch(deleteMovie(id))
}
}
}
export default connect(mapStateToProps, mapDispatchToProps)(MovieList)
也许需要一些意见,如果任何人有一个时刻。
你在道具onMovieClick',一个'重复定义和MovieList –