[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8},"actionData","errors","root",{"_11":-5},"routes/user.$name.replies",{"_9":10,"_11":12,"_13":14,"_15":16,"_17":18,"_19":16},"replies",[34],"user",{"_20":21,"_13":14,"_22":23,"_24":14,"_25":26,"_27":28,"_29":30,"_31":16,"_32":33},"loginname","le0zh","page",1,"limit",50,"total","id","16712","avatar_url","https://avatars.githubusercontent.com/u/3633972?v=3","githubUsername","create_at","2015-04-23 02:59:24.887","score",5,"topic_count",0,"reply_count","is_star",false,{"_20":35,"_36":37,"_38":39,"_40":41,"_42":43,"_44":45,"_46":33,"_47":33,"_31":28,"_48":49,"_25":50,"_51":52},"14122","author_id","18794","tab","ask","content","项目入口文件的代码如下\r\n```js\\n code \\n\r\n 1 import React from 'react';\r\n 2 import CommentBox from './Components/CommentBox';\r\n 3 \r\n 4 \r\n 5 function main(){\r\n 6 React.render(\r\n 7 ,\r\n 8 document.getElementById('app')\r\n 9 );\r\n 10 }\r\n 11 \r\n 12 main();\r\n```\r\nCommentBox的代码如下\r\n```js\\n code \\n\r\nimport React from 'react';\r\nimport CommentList from './CommentList';\r\nimport CommentForm from './CommentForm';\r\nimport $ from 'jquery/src/core';\r\n\r\nexport default class CommentBox extends React.Component{\r\n loadCommentsFromServer(){\r\n $.ajax({\r\n url: this.props.url,\r\n dataType: 'json',\r\n success: function(data){\r\n this.setState({data: data});\r\n }.bind(this),\r\n error: function(err){\r\n console.err(this.props.url,status,err.toString())\r\n }.bind(this)\r\n });\r\n }; \r\n getInitialState(){\r\n return {data: []}; \r\n }; \r\n componentDidMount(){\r\n this.loadCommentsFromServer();\r\n setInterval(this.loadCommentsFromServer,this.props.pollInterval);\r\n }; \r\n render(){\r\n return(\r\n

\r\n

Comments

\r\n \r\n \r\n

\r\n );\r\n } \r\n};\r\n\r\n```\r\nCommentList的代码如下\r\n```js\\n code \\n\r\nimport React from 'react';\r\nimport Comment from './Comment';\r\n\r\nexport default class CommentList extends React.Component{\r\n render(){\r\n var commentNodes = this.props.data.map(function(comment){\r\n return(\r\n \r\n {comment.text}\r\n \r\n );\r\n });\r\n return(\r\n

\r\n {commentNodes}\r\n

\r\n );\r\n } \r\n}\r\n```\r\nComment的代码如下\r\n```js\\n code \\n\r\nimport React from 'react';\r\nimport Showdown from 'showdown';\r\n\r\nvar converter = new Showdown.Converter();\r\n\r\nexport default class Comment extends React.Component{\r\n render(){\r\n return(\r\n

\r\n

\r\n {this.props.author}\r\n

\r\n {converter.makeHtml(this.props.children.toString())}\r\n

\r\n );\r\n } \r\n}\r\n```\r\n在浏览器访问的时候却得到如下的结果\r\n* * Uncaught TypeError: Cannot read property 'data' of null * *\r\n是我的请求路径有问题还是代码哪里写错了！求大神解答","title","使用webpack编写React时,用ajax获取数据时遇到问题","last_reply_at","2015-09-21 13:58:48.8","good","top","visit_count",7290,"2015-09-20 16:39:52.198","author",{"_13":53,"_22":54},"RickyDan","https://avatars1.githubusercontent.com/u/9340635?v=4"]