我有一个像这样的JSON文件，名为data.json
{
"link_template": "http://api.rottentomatoes.com/api/public/v1.0/lists/movies/box_office.json?limit={num-results}&country={country-code}",
"links": {
"alternate": "http://www.rottentomatoes.com/movie/box-office/",
"self": "http://api.rottentomatoes.com/api/public/v1.0/lists/movies/box_office.json?limit=20&country=us"
},
"movies": [
{
"abridged_cast": [
{
"characters": [
"Dominic Toretto"
],
"id": "162652472",
"name": "Vin Diesel"
},
{
"characters": [
"Brian O'Conner"
],
"id": "162654234",
"name": "Paul Walker"
},
{
"characters": [
"Louie Tran"
],
"id": "162684066",
"name": "Tony Jaa"
},
{
"characters": [
"Deckard Shaw"
],
"id": "162653720",
"name": "Jason Statham"
},
{
"characters": [
"Luke Hobbs"
],
"id": "770893686",
"name": "Dwayne \"The Rock\" Johnson"
}
],
"alternate_ids": {
"imdb": "2820852"
},
"critics_consensus": "",
"id": "771354922",
"links": {
"alternate": "http://www.rottentomatoes.com/m/furious_7/",
"cast": "http://api.rottentomatoes.com/api/public/v1.0/movies/771354922/cast.json",
"reviews": "http://api.rottentomatoes.com/api/public/v1.0/movies/771354922/reviews.json",
"self": "http://api.rottentomatoes.com/api/public/v1.0/movies/771354922.json",
"similar": "http://api.rottentomatoes.com/api/public/v1.0/movies/771354922/similar.json"
},
"mpaa_rating": "PG-13",
"posters": {
"detailed": "http://resizing.flixster.com/pVDoql2vCTzNNu0t6z0EUlE5G_c=/51x81/dkpu1ddg7pbsk.cloudfront.net/movie/11/18/14/11181482_ori.jpg",
"original": "http://resizing.flixster.com/pVDoql2vCTzNNu0t6z0EUlE5G_c=/51x81/dkpu1ddg7pbsk.cloudfront.net/movie/11/18/14/11181482_ori.jpg",
"profile": "http://resizing.flixster.com/pVDoql2vCTzNNu0t6z0EUlE5G_c=/51x81/dkpu1ddg7pbsk.cloudfront.net/movie/11/18/14/11181482_ori.jpg",
"thumbnail": "http://resizing.flixster.com/pVDoql2vCTzNNu0t6z0EUlE5G_c=/51x81/dkpu1ddg7pbsk.cloudfront.net/movie/11/18/14/11181482_ori.jpg"
},
"ratings": {
"audience_rating": "Upright",
"audience_score": 88,
"critics_rating": "Certified Fresh",
"critics_score": 82
},
"release_dates": {
"theater": "2015-04-03"
},
"runtime": 140,
"synopsis": "Continuing the global exploits in the unstoppable franchise built on speed, Vin Diesel, Paul Walker and Dwayne Johnson lead the returning cast of Fast & Furious 7. James Wan directs this chapter of the hugely successful series that also welcomes back favorites Michelle Rodriguez, Jordana Brewster, Tyrese Gibson, Chris \"Ludacris\" Bridges, Elsa Pataky and Lucas Black. They are joined by international action stars new to the franchise including Jason Statham, Djimon Hounsou, Tony Jaa, Ronda Rousey and Kurt Russell.",
"title": "Furious 7",
"year": 2015
},
{
"abridged_cast": [
{
"characters": [
"Oh"
],
"id": "770702500",
"name": "Jim Parsons"
},
{
"characters": [
"Tip"
],
"id": "351524959",
"name": "Rihanna"
},
{
"characters": [
"Captain Smek"
],
"id": "162654836",
"name": "Steve Martin"
},
{
"id": "162652167",
"name": "Jennifer Lopez"
}
],
"alternate_ids": {
"imdb": "2224026"
},
"critics_consensus": "",
"id": "771315639",
"links": {
"alternate": "http://www.rottentomatoes.com/m/home_2015/",
"cast": "http://api.rottentomatoes.com/api/public/v1.0/movies/771315639/cast.json",
"reviews": "http://api.rottentomatoes.com/api/public/v1.0/movies/771315639/reviews.json",
"self": "http://api.rottentomatoes.com/api/public/v1.0/movies/771315639.json",
"similar": "http://api.rottentomatoes.com/api/public/v1.0/movies/771315639/similar.json"
},
"mpaa_rating": "PG",
"posters": {
"detailed": "http://resizing.flixster.com/LO7V_j1xUTlsbwzIyCINBxBm5qE=/54x80/dkpu1ddg7pbsk.cloudfront.net/movie/11/18/17/11181778_ori.jpg",
"original": "http://resizing.flixster.com/LO7V_j1xUTlsbwzIyCINBxBm5qE=/54x80/dkpu1ddg7pbsk.cloudfront.net/movie/11/18/17/11181778_ori.jpg",
"profile": "http://resizing.flixster.com/LO7V_j1xUTlsbwzIyCINBxBm5qE=/54x80/dkpu1ddg7pbsk.cloudfront.net/movie/11/18/17/11181778_ori.jpg",
"thumbnail": "http://resizing.flixster.com/LO7V_j1xUTlsbwzIyCINBxBm5qE=/54x80/dkpu1ddg7pbsk.cloudfront.net/movie/11/18/17/11181778_ori.jpg"
},
"ratings": {
"audience_rating": "Upright",
"audience_score": 69,
"critics_rating": "Rotten",
"critics_score": 47
},
"release_dates": {
"theater": "2015-03-26"
},
"runtime": 93,
"synopsis": "When Oh, a loveable misfit from another planet, lands on Earth and finds himself on the run from his own people, he forms an unlikely friendship with an adventurous girl named Tip who is on a quest of her own. Through a series of comic adventures with Tip, Oh comes to understand that being different and making mistakes is all part of being human. And while he changes her planet and she changes his world, they discover the true meaning of the word HOME. (c) Fox",
"title": "Home",
"year": 2015
}
]
}
这是我的ReactJS代码，用于从该JSON文件获取数据并在我的React组件中绑定
var CastMember=React.createClass({
render:function(){
<div className="castmember">
</div>
}
});
var Cast=React.createClass({
render:function(){
var cast_members=this.props.cast.map(function (member){
return (
<CastMember member={member}/>
);
});
return (
<div className="cast">
{cast_members}
</div>
);
}
});
var Movie=React.createClass({
render:function(){
return (
<div className="movieBox">
<Cast cast={this.props.movie.abridged_cast}/>
</div>
);
}
});
var MovieList=React.createClass({
render:function(){
var movieNodes=this.props.movies.map(function (movie){
return (
<Movie movie={movie}/>
);
});
return (
<div className="movieList">
{movieNodes}
</div>
);
}
});
var DataBlock = React.createClass({
getInitialState:function() {
return {data:{
movies:[
{abridged_cast:[]}
]
}}
},
componentDidMount:function() {
var a=this;
$.ajax({
url:this.props.url,
dataType:'json',
cache:false,
success:function(data){
this.setState({data:data})
}.bind(this)
});
},
render: function() {
return (
<div className="dataBlock">
<h1>Movie List</h1>
<MovieList movies={this.state.data.movies}/>
</div>
);
}
});
React.render(
<DataBlock url="data.json"/>,
document.getElementById('content')
);
我一直以自下而上的顺序做这个演示。我能够从JSON文件中获取movies列表并对其进行渲染，但现在却无法在每个abridged_cast中获取movie
在render组件的Cast功能中，如果我将其替换为渲染{this.props.cast}，则会显示所有内容。但我无法将它们映射到member组件的CastMember属性：我上面的代码没有显示任何内容。我的代码出了什么问题？
答案 0 :(得分：1)
var CastMember=React.createClass({
render:function(){
<div className="castmember">
</div>
}
});
CastMember传递给member - ＆gt;时， CastMember组件应处理其道具。 <CastMember member={member}/>。
这会有所帮助：
var CastMember=React.createClass({
render:function(){
return (
<div className="castmember">
{this.props.member}
</div>
);
}
});