我正在使用盖茨比。我需要将每个onCLick的限制增加3个。我试图按照这篇文章进行操作,但是没有成功,因此我删除了修改,这是原始代码...
这将帮助我加载更多帖子。
export const LatestNews = ({data}) => {
console.log(data);
return (
<section id="news_posts_section">
<p>some data</p>
</section>
);
};
export const latestNewsQuery = graphql`
query myquery{
allMarkdownRemark(
filter: { frontmatter: { layout: { eq: "news" } } }
sort: { fields: frontmatter___date, order: DESC }
limit: 2
) {
nodes {
frontmatter {
layout
title
path
date
featuredImage
thumbnail
}
excerpt(pruneLength: 325)
}
}
}
`;
这是我的gatsby节点:
exports.createPages = ({ actions, graphql }) => {
const { createPage } = actions;
const blogPostTemplate = path.resolve('src/templates/blog-post/BlogPost.js');
const newsTemplate = path.resolve('src/templates/news-single/NewsSingle.js');
const latestNewsPage = path.resolve(
'src/components/pages-implementation/news/sections/LatestNews.js',
);
const blog = graphql(`
{
blog: allMarkdownRemark(
filter: { frontmatter: { layout: { eq: "blog" } } }
) {
edges {
node {
frontmatter {
path
}
}
}
}
}
`).then((result) => {
if (result.errors) {
result.errors.forEach((e) => console.error(e.toString()));
return Promise.reject(result.errors);
}
const posts = result.data.blog.edges;
posts.forEach((edge) => {
const { path } = edge.node.frontmatter;
createPage({
path: path,
component: blogPostTemplate,
context: {},
});
});
});
const news = graphql(`
{
news: allMarkdownRemark(
filter: { frontmatter: { layout: { eq: "news" } } }
) {
edges {
node {
frontmatter {
path
}
}
}
}
}
`).then((result) => {
if (result.errors) {
result.errors.forEach((e) => console.error(e.toString()));
return Promise.reject(result.errors);
}
const news = result.data.news.edges;
news.forEach((edge) => {
const { path } = edge.node.frontmatter;
createPage({
path: path,
component: newsTemplate,
context: {},
});
});
news.forEach(edge => {
createPage({
path: `/news/`,
component: latestNewsPage,
context: {
// This time the entire product is passed down as context
product: edge
}
});
});
});
return Promise.all([blog, news]);
};
编辑11月21日:
通过以上配置,它说:
warning The GraphQL query in the non-page component "/home/user/projectname/src/components/pages-implementation/news/sections/LatestNews.js" will not be run.
Exported queries are only executed for Page components. It's possible you're
trying to create pages in your gatsby-node.js and that's failing for some
reason.
useStaticQuery
(因此名称)不允许接收变量。如果您看一下docs:
useStaticQuery
不接受变量(因此名称为“ static”),但可以在任何组件(包括页面)中使用
在GraphQL查询中传递变量的唯一方法是使用中的上下文API gatsby-node.js
。例如:
queryResults.data.allProducts.nodes.forEach(node => {
createPage({
path: `/products/${node.id}`,
component: productTemplate,
context: {
// This time the entire product is passed down as context
product: node
}
});
});
};
在上面的代码段product
中,在整个节点的上下文中将是一个变量。可以pageContext
prop
在目标模板中通过访问它或将其用作查询参数。
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