Javascript React.js从js数组获取数据
我有以下代码:Javascript React.js从js数组获取数据,javascript,reactjs,Javascript,Reactjs,我有以下代码: import React from 'react'; import ProjectsData from './projects.js'; class SingleProject extends React.Component { render () { return ( <div className="info-project-wrapper"> <h2>{this.pro
import React from 'react';
import ProjectsData from './projects.js';
class SingleProject extends React.Component {
render () {
return (
<div className="info-project-wrapper">
<h2>{this.props.title}</h2>
<span className="show-for-large">{this.props.by}</span>
<ul className="project-links show-for-large">
<li>{this.props.links}</li>
</ul>
<div className="info-project">
<p>VIEW NOW</p>
</div>
</div>
)
}
}
class SingleProjectWrapper extends React.Component {
render () {
var projects = [];
this.props.projects.forEach(function(project, i){
projects.push(<SingleProject title={project.title}
by={project.by}
links={projects.links}
key={i} />);
});
return (
<div className="single-project project-4">
{projects}
</div>
)
}
}
class Projects extends React.Component {
render () {
return (
<section>
<SingleProjectWrapper projects={ProjectsData} />
</section>
);
}
}
export default Projects;
除了
{this.props.links} 之外,大多数数据都能正确显示。我只得到一个空的
,而不是每个链接的“link-1、link-2和link-3”。您需要迭代链接数组,React对数组没有任何作用
所以不是
<ul className="project-links show-for-large">
<li>{this.props.links}</li>
</ul>
- {this.props.links}
你需要这样做
<ul className="project-links show-for-large">
{this.props.links.map(i => <li>i</li>)}
</ul>
{this.props.links.map(i=>- i
)}
您需要迭代链接数组,React不会对数组做任何花哨的事情
所以不是
<ul className="project-links show-for-large">
<li>{this.props.links}</li>
</ul>
- {this.props.links}
你需要这样做
<ul className="project-links show-for-large">
{this.props.links.map(i => <li>i</li>)}
</ul>
{this.props.links.map(i=>- i
)}
不确定这是否是您的问题,但链接代码中有一个拼写错误:links={projects.links}
。应该是links={project.links}
不确定这是否是您的问题,但链接代码中有一个拼写错误:links={projects.links}
。应该是links={project.links}