[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8},"actionData","errors","root",{"_11":-5},"routes/user.$name.topics",{"_9":10,"_11":12,"_13":14,"_15":16,"_17":18,"_19":16},"topics",[34],"user",{"_20":21,"_13":14,"_22":23,"_24":25,"_26":27,"_28":29,"_30":16,"_31":16,"_32":33},"loginname","itking","page",1,"limit",20,"total","id","8177","avatar_url","http://www.gravatar.com/avatar/29566c3109e17aea3255440b5e9a39bc?size=48","githubUsername","","create_at","2013-06-03 09:42:12.516","score",10,"topic_count","reply_count","is_star",false,{"_20":35,"_36":21,"_37":-5,"_38":39,"_40":41,"_42":43,"_44":33,"_45":33,"_31":46,"_47":48,"_26":49,"_50":51},"3743","author_id","tab","content","我是node js新人，有个不懂的问题，请教高人\r\n服务器是iisnode\r\n我尝试在form中post提交数据到处理程序，不用其它插件，无关的代码我就不贴了\r\n\r\nvar querystring = require(\"querystring\")\r\nfunction start(response) {\r\n var body = ''+\r\n ''+\r\n ''+\r\n ''+\r\n ''+\r\n ''+\r\n ''+\r\n '';\r\n\r\n response.writeHead(200, {\"Content-Type\": \"text/html\"});\r\n response.write(body);\r\n response.end();\r\n}\r\n\r\nfunction search(response, request) {\r\n var body;\r\n request.on('data', function (data) {\r\n if (data != undefined)\r\n body += data;\r\n });\r\n request.on('end', function() {\r\n response.writeHead(200, { \"Content-Type\": \"text/plain\" });\r\n var form = querystring.parse(body);\r\n response.write(\"You've sent the text: \" + form.docId);\r\n response.end();\r\n });\r\n}\r\n\r\n我在body中取到的值是：undefinedDocID=123\r\nDocID=123才是我需要的，请问，这个undefined是怎么出现的？","title","node js form post","last_reply_at","2013-06-04 01:20:28.109","good","top",3,"visit_count",6211,"2013-06-03 09:49:15.358","author",{"_13":14,"_22":23}]