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Javascript Meteor React-发布/订阅不工作_Javascript_Mongodb_Reactjs_Meteor - Fatal编程技术网

Javascript Meteor React-发布/订阅不工作

Javascript Meteor React-发布/订阅不工作,javascript,mongodb,reactjs,meteor,Javascript,Mongodb,Reactjs,Meteor,我不知道哪里出了问题,但这是我在imports/api中的代码 import { Mongo } from 'meteor/mongo'; Blogposts = new Mongo.Collection('blogposts'); if (Meteor.isServer) { Meteor.publish('allBlogposts', function () { return Blogposts.find({}); }); } 在我的前端jsx文件中: import

我不知道哪里出了问题,但这是我在imports/api中的代码

import { Mongo } from 'meteor/mongo';

Blogposts = new Mongo.Collection('blogposts');

if (Meteor.isServer) {

  Meteor.publish('allBlogposts', function () {
    return Blogposts.find({});
  });
}
在我的前端jsx文件中:

import React from 'react';
import ReactDOM from 'react-dom';
import TrackerReact from 'meteor/ultimatejs:tracker-react';

Blogposts = new Mongo.Collection('blogposts');

 export default class BlogPage extends TrackerReact(React.Component) {

constructor(props) {
super(props);
this.state = {
  subscription: {
    blogposts: Meteor.subscribe('allBlogposts')
  }
}
}
但是,从那里,我似乎无法访问数据库中的任何数据。如果我使用控制台日志,我将从服务器向数据库添加两条记录

我如何才能让它在返回这两个文档的简单控制台日志中工作

# api    
import { Mongo } from 'meteor/mongo';

export default Blogposts = new Mongo.Collection('blogposts');

if (Meteor.isServer) {

   Meteor.publish('allBlogposts', function () {
      return Blogposts.find({});
   });
}
组成部分

import React, { Component } from 'react';
import ReactDOM from 'react-dom';
import PropTypes from 'prop-types';
import { withTracker } from 'meteor/react-meteor-data';

#import your api
import { Blogposts } from "whatever/the/dir/is.js

class BlogPage extends Component {

# Everything here

}
#you write this function outside your component
BlogPage.propTypes = {
  currentUserPost: PropTypes.array.isRequired,
};
export default withTracker(()=>{
  Meteor.subscribe("allBlogposts");
  return {
    currentUserPost: Blogposts.find()
  }
})(BlogPage);
组成部分

import React, { Component } from 'react';
import ReactDOM from 'react-dom';
import PropTypes from 'prop-types';
import { withTracker } from 'meteor/react-meteor-data';

#import your api
import { Blogposts } from "whatever/the/dir/is.js

class BlogPage extends Component {

# Everything here

}
#you write this function outside your component
BlogPage.propTypes = {
  currentUserPost: PropTypes.array.isRequired,
};
export default withTracker(()=>{
  Meteor.subscribe("allBlogposts");
  return {
    currentUserPost: Blogposts.find()
  }
})(BlogPage);

您是否从
imports/api
显式导入此代码?@styx是的,这就是我拥有Mongo集合的地方。访问此
Blogposts
集合的代码在哪里?您能告诉我们如何测试数据吗?您在哪里访问和呈现它?您是否从
imports/api
显式导入此代码?@styx是的,这就是我的Mongo集合。访问此
Blogposts
集合的代码在哪里?您能告诉我们如何测试数据吗?您在哪里访问和渲染它?