【发布时间】:2017-12-02 10:06:44
【问题描述】:
好吧,这是我的第一天......
我正在尝试制作一个小的 Node-Red 应用程序。这可能看起来很愚蠢,但它实际上是一个有趣的例子,我需要做的事情不那么幽默。 HTTP 输入触发对 Urban Dictionary API 的 HTTP 请求,并抓取术语“Honey Badger”的随机定义。
然后一个函数将字符串咀嚼成碎片,只提取实际定义并丢弃所有元垃圾。
然后将字符串传递给包含 {{payload}} 行之前和之后的 HTML 加载的模板,以生成显示来自 Urban Dictionary 的内容的页面,并在每个页面加载时显示随机定义。
我得到了我想要的一切,并且调试我的模板的输出是在日志中显示 UD 内容,但是在浏览器中我得到的只是 [object OBJECT] 我的文本段落应该在哪里。
我知道这是因为函数输出的是对象,而不是字符串。
我并没有完全理解对象是什么。
我以前从未编写过任何 JS,这就是我开始的地方。
[{"id":"65001585.8c9564","type":"http in","z":"4737d790.fefe58","name":"badger","url":"/Badger","method":"get","upload":false,"swaggerDoc":"","x":76,"y":72,"wires":[["980800c8.6789f","ab39736b.ffbfd"]]},{"id":"980800c8.6789f","type":"http request","z":"4737d790.fefe58","name":"URBAN DICTIONARY","method":"GET","ret":"txt","url":"https://urban.now.sh/random/Honey Badger","tls":"","x":269,"y":106,"wires":[["c0ff5132.822508"]]},{"id":"ab39736b.ffbfd","type":"http response","z":"4737d790.fefe58","name":"http response","x":1016.5551147460938,"y":75.22221374511719,"wires":[]},{"id":"e98c98a8.0a9a28","type":"template","z":"4737d790.fefe58","name":"Template","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"<!DOCTYPE html>\n<HTML>\n\n\t<HEAD>\n\t\t<TITLE> [ H O N E Y B A D G E R ] </TITLE>\n\t\t<META HTTP-EQUIV=\"refresh\" CONTENT=\"300\">\n<style>\np.minortext\n{\n font-family: \"Arimo\";\n color:#A9A9A9\n}\np.majortext\n{\n font-family: \"Impact\";\n color:black\n size:20\n}\n\n</style>\n</head>\n\n\t<BODY>\n\t <CENTER>\n\t <Table Width = \"100%\" Bgcolor=\"#A9A9A9\"><TR><TD ALIGN = \"CENTER\">\n\t <a class=\"weatherwidget-io\" href=\"https://forecast7.com/en/n34d93138d60/adelaide/\" data-font=\"Roboto Slab\" data-mode=\"Current\" data-days=\"3\" data-shadow=\"#000000\" data-accent=\"#000000\" data-textColor=\"#ffffff\" data-highColor=\"#ffffff\" data-lowColor=\"#ffffff\" data-sunColor=\"#ffffff\" data-moonColor=\"#ffffff\" data-cloudColor=\"#ffffff\" data-cloudFill=\"#ffffff\" data-rainColor=\"#ffffff\" data-snowColor=\"#ffffff\" >Adelaide, South Australia, Australia</a>\n<script>\n!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=\"https://weatherwidget.io/js/widget.min.js\";fjs.parentNode.insertBefore(js,fjs);}}(document,\"script\",\"weatherwidget-io-js\");\n</script>\n</td><td align = \"center\">\n\n\n</td>\n\n\n\n</TD><TD ALIGN = \"RIGHT\"><IMG SRC=\"LogIn.PNG\"> </TD></TR></Table>\n\t <Table Width = \"500\" Height = \"620\" Border = \"0\">\n\t <TR Width = \"500\" Height = \"320\">\n\t <TD Width = \"500\" Height = \"320\" VALIGN = \"CENTER\">\n\t\t<CENTER>\n\t\t\t <FONT SIZE = \"20\">\n <p class=\"majortext\">\n <IMG SRC=\"HoneyBadger.PNG \" ALT=\"HoneyBadger\"><BR>\n\t\t\t\t <B>H O N E Y B A D G E R</B>\n\t\t\t </P>\n\t\t\t </FONT>\n\t\t\t </TD>\n\t\t\t </TR>\n\t\t\t \t <TR Width = \"500\" Height = \"300\">\n\t <TD Width = \"500\" Height = \"300\" VALIGN = \"TOP\">\n\t\t\t<CENTER>\n\t\t\n\t\t\t<p class=\"minortext\">\n\t\t\t \t\t\t <FONT SIZE = \"5\">\n\t\t\t {{{payload}}}\n </P>\n\t\t</CENTER>\n\t\t </TD>\n\t\t </TR>\n\t\t </TABLE>\n\t\t</CENTER>\n\t</BODY>\n</HTML>\t\t\t \n\n","output":"str","x":830.0000610351562,"y":108.55557250976562,"wires":[["ad7d02ac.52565","ab39736b.ffbfd"]]},{"id":"ad7d02ac.52565","type":"debug","z":"4737d790.fefe58","name":"","active":true,"console":"true","complete":"payload","x":1013.3883666992188,"y":153.77764892578125,"wires":[]},{"id":"c0ff5132.822508","type":"function","z":"4737d790.fefe58","name":"test","func":"var parts = msg.payload.split(\"definition\");\nvar message1 = { payload: parts[0] };\nvar message2 = { payload: parts[1] };\nvar msg2parts = message2.payload.split(\"URL\");\nvar msgsparts1 = {payload: msg2parts[0]};\nvar msgsparts2 = {payload: msg2parts[1]};\n\n\nreturn msgsparts1;\n","outputs":"1","noerr":0,"x":446.75921630859375,"y":106.75926971435547,"wires":[["e132da2c.78b1a8"]]},{"id":"e132da2c.78b1a8","type":"change","z":"4737d790.fefe58","name":"","rules":[{"t":"change","p":"payload","pt":"msg","from":"\"\"","fromt":"str","to":"","tot":"str"},{"t":"change","p":"payload","pt":"msg","from":"\\n","fromt":"str","to":"","tot":"str"},{"t":"change","p":"payload","pt":"msg","from":"n\\","fromt":"str","to":"","tot":"str"},{"t":"change","p":"payload","pt":"msg","from":":","fromt":"str","to":"","tot":"str"},{"t":"change","p":"payload","pt":"msg","from":"\"\"\"","fromt":"str","to":"","tot":"str"},{"t":"change","p":"payload","pt":"msg","from":".\",\"\"","fromt":"str","to":"","tot":"str"},{"t":"change","p":"payload","pt":"msg","from":"\\","fromt":"str","to":"","tot":"str"},{"t":"change","p":"payload","pt":"msg","from":"\"","fromt":"str","to":"","tot":"str"},{"t":"change","p":"payload","pt":"msg","from":"example","fromt":"str","to":"","tot":"str"}],"action":"","property":"","from":"","to":"","reg":false,"x":628.8887939453125,"y":107.99996948242188,"wires":[["e98c98a8.0a9a28"]]}]
【问题讨论】:
标签: javascript html object converter node-red