未捕获的TypeError：DB.find不是React with Meteor 1.3中的函数

Question

我正在使用Meteor 1.3和React，我收到了这个错误。如果我在浏览器中使用控制台，一切都很完美。

var url = "..."

$.getJSON(url, function(data) {
var data = jQuery.parseJSON(JSON.stringify(data));

var i;
for (i=0; i<5; i++)
{
    $("#div").append(data.data.temp[i]); 
}

});

}

我收到了此错误消息：

import React, {Component} from 'react';
import TrackerReact from 'meteor/ultimatejs:tracker-react';

import ToolsForm from './ToolsForm.jsx';
import ToolsCards from './ToolsCards.jsx';


export default class Tools extends TrackerReact(Component) {

		constructor(){
	        super();

	        this.state = {
	            subscriptions: {
	                tools: Meteor.subscribe('allTools')
	            }
	        }
	    }

	    componentWillUnmount() {
	        this.state.subscriptions.tools.stop();  
	    }

	    tools() {
	        return Tools.find().fetch();
	    } 

		render() {

			return (
				<div>
					<ToolsForm /> <br/><br/>
					<ul className="resolutions">
	                    {this.tools().map( (tool)=> {
	                        return <ToolsCards key={tool._id} tool={tool} />
	                    })}
	                </ul>
				</div>			
			)	
		}
		
}

Answer 1

Tools is a React component in your code. find should be used on collections, not on React components. You'll need to define a Meteor.Collection.

See the example code here: https://github.com/ultimatejs/tracker-react