{"id":11439,"date":"2023-01-15T15:53:42","date_gmt":"2023-01-15T07:53:42","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=11439"},"modified":"2023-01-15T15:53:49","modified_gmt":"2023-01-15T07:53:49","slug":"ru-he-zai-nodered-zhong-chu-li-she-bei-de-jsonxml-ge-shi-de-shu-ju","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/11439.html","title":{"rendered":"\u5982\u4f55\u5728NodeRed\u4e2d\uff0c\u5904\u7406\u8bbe\u5907\u7684json\uff0cxml\u683c\u5f0f\u7684\u6570\u636e"},"content":{"rendered":"

\u524d\u8a00<\/h2>\n\n\n\n

\u5728\u4f7f\u7528node-red\u5904\u7406\u5404\u79cd\u4e1a\u52a1\u573a\u666f\u65f6\uff0c\u6211\u4eec\u65f6\u5e38\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u6570\u636e\u683c\u5f0f\uff0c\u6700\u5e38\u89c1\u7684\u662fjson\u6570\u636e\u683c\u5f0f\uff0c\u5176\u6b21\u8fd8\u6709xml\uff0cyaml\uff0c\u4ee5\u53cacsv\u683c\u5f0f\u7684\u6570\u636e\u683c\u5f0f\u3002\u8fd9\u4e9b\u90fd\u662f\u9700\u8981\u6211\u4eec\u5bf9\u5176\u6570\u636e\u683c\u5f0f\u6709\u4e00\u70b9\u89e3\u6790\u548c\u8f6c\u5316\u7684\u80fd\u529b\uff0c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u6211\u5c31\u6765\u6559\u5927\u5bb6\u5982\u4f55\u5904\u7406json \u548c xml\u6570\u636e\u683c\u5f0f\u3002<\/p>\n\n\n\n

<\/a>node-red\u4e2djson\u683c\u5f0f\u7684\u8f6c\u6362<\/h2>\n\n\n\n

\u5728node-red\u4e2d\u5904\u7406json\u6570\u636e\u683c\u5f0f\u662f\u6700\u7b80\u5355\u7684\u3002\u6700\u4e3b\u8981\u7684\u539f\u56e0\u662fnode-red\u672c\u8eab\u5c31\u662f\u4f7f\u7528javascript\u8bed\u8a00\u6765\u7f16\u5199\u7684\u3002\u800cjavascript\u4e2d\u6700\u5e38\u7528\u7684\u5c31\u662fjson\u6570\u636e\u683c\u5f0f\u3002\u58f0\u660e\u4e00\u4e2ajson\u6570\u636e\u683c\u5f0f\u5f88\u7b80\u5355\u3002<\/p>\n\n\n\n

# json \u6570\u636e\u7684\u58f0\u660e\nconst person = {name: 'fizzz', age:12}\n# \u6253\u5370\u6570\u636e\nconsole.log(person.name)\n# \u91cd\u65b0\u8d4b\u503c\nperson.name = 'tom'\n<\/code><\/pre>\n\n\n\n
json \u6570\u636e\u683c\u5f0f\u7684\u64cd\u4f5c\u5c31\u662f\u8fd9\u6837\u7684\u7b80\u5355\u3002<\/p>\n\n\n\n
\u4e0b\u9762\u662f\u4e00\u4e2ajson\u8f6c\u6362\u7684\u6d41\uff0c\u5927\u5bb6\u53ef\u4ee5\u4ece\u8fd9\u4e2a\u6d41\u4e2d\u4f53\u9a8c\u7684\u5bf9json\u6570\u636e\u7684\u64cd\u4f5c\u3002<\/p>\n\n\n\n
[{\"id\":\"634256b7.2d6818\",\"type\":\"inject\",\"z\":\"64133d39.bb0394\",\"name\":\"JSON String\",\"topic\":\"\",\"payload\":\"{\"a\":1}\",\"payloadType\":\"str\",\"repeat\":\"\",\"crontab\":\"\",\"once\":false,\"onceDelay\":0.1,\"x\":110,\"y\":80,\"wires\":[[\"a2fe0fc8.095e1\"]]},{\"id\":\"a2fe0fc8.095e1\",\"type\":\"json\",\"z\":\"64133d39.bb0394\",\"name\":\"\",\"property\":\"payload\",\"action\":\"\",\"pretty\":false,\"x\":270,\"y\":80,\"wires\":[[\"9a4ce2b8.47698\"]]},{\"id\":\"9a4ce2b8.47698\",\"type\":\"debug\",\"z\":\"64133d39.bb0394\",\"name\":\"\",\"active\":true,\"tosidebar\":true,\"console\":false,\"tostatus\":false,\"complete\":\"false\",\"x\":430,\"y\":80,\"wires\":[]},{\"id\":\"80032e2.7c92cd\",\"type\":\"inject\",\"z\":\"64133d39.bb0394\",\"name\":\"Object\",\"topic\":\"\",\"payload\":\"{\"a\":1}\",\"payloadType\":\"json\",\"repeat\":\"\",\"crontab\":\"\",\"once\":false,\"onceDelay\":0.1,\"x\":90,\"y\":120,\"wires\":[[\"cd40a0f4.4f5ac\"]]},{\"id\":\"cd40a0f4.4f5ac\",\"type\":\"json\",\"z\":\"64133d39.bb0394\",\"name\":\"\",\"property\":\"payload\",\"action\":\"\",\"pretty\":false,\"x\":270,\"y\":120,\"wires\":[[\"478b4106.4fd7c\"]]},{\"id\":\"478b4106.4fd7c\",\"type\":\"debug\",\"z\":\"64133d39.bb0394\",\"name\":\"\",\"active\":true,\"tosidebar\":true,\"console\":false,\"tostatus\":false,\"complete\":\"false\",\"x\":430,\"y\":120,\"wires\":[]}]\n<\/code><\/pre>\n\n\n\n
\u6548\u679c\u56fe\u5982\u4e0b\uff1a
\"\u5982\u4f55\u5728NodeRed\u4e2d\uff0c\u5904\u7406\u8bbe\u5907\u7684json\uff0cxml\u683c\u5f0f\u7684\u6570\u636e\u63d2\u56fe\"
json \u6570\u636e\u7684\u5904\u7406\u4e3b\u8981\u662f\u501f\u52a9\u6765json\u6838\u5fc3\u8282\u70b9\uff0c\u5b83\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u4e0ejson\u6570\u636e\u4e92\u8f6c\u3002 \u975e\u5e38\u65b9\u4fbf\u3002\u5982\u679c\u8f6c\u6362\u5931\u8d25\u5c31\u4f1a\u62a5\u9519\u3002
json \u8282\u70b9\u7684\u8be6\u7ec6\u914d\u7f6e\u5982\u4e0b\uff1a<\/p>\n\n\n\n
\u8f93\u5165\u53c2\u6570\uff1a
payload<\/code>\uff1aobject | \u5b57\u7b26\u4e32
JavaScript\u5bf9\u8c61\u6216JSON\u5b57\u7b26\u4e32\u3002
schema<\/code>\uff1aobject
\u53ef\u9009\u7684JSON Schema\u5bf9\u8c61\u7528\u4e8e\u9a8c\u8bc1\u6709\u6548\u8d1f\u8f7d\u3002\u5728\u5c06msg\u53d1\u9001\u5230\u4e0b\u4e00\u4e2a\u8282\u70b9\u4e4b\u524d\uff0c\u5c06\u5220\u9664\u8be5\u5c5e\u6027\u3002<\/p>\n\n\n\n
\u8f93\u51fa\u53c2\u6570\uff1a
payload<\/code>\uff1aobject | \u5b57\u7b26\u4e32
\u5982\u679c\u8f93\u5165\u662fJSON\u5b57\u7b26\u4e32\uff0c\u5b83\u5c06\u5c1d\u8bd5\u5c06\u5176\u89e3\u6790\u4e3aJavaScript\u5bf9\u8c61\u3002
\u5982\u679c\u8f93\u5165\u662fJavaScript\u5bf9\u8c61\uff0c\u5b83\u5c06\u521b\u5efa\u4e00\u4e2aJSON\u5b57\u7b26\u4e32\u3002\u5e76\u53ef\u4ee5\u9009\u62e9\u5bf9\u6b64JSON\u5b57\u7b26\u4e32\u8fdb\u884c\u6574\u5f62\u3002
schema<\/code>\uff1aError\u6570\u7ec4
\u5982\u679cJSON\u6a21\u5f0f\u9a8c\u8bc1\u5931\u8d25\uff0c\u5219catch\u8282\u70b9\u5c06\u5177\u6709\u5305\u542b\u9519\u8bef\u6570\u7ec4\u7684schemaError\u5c5e\u6027\u3002<\/p>\n\n\n\n
<\/a>node-red\u4e2d\u5904\u7406 xml\u683c\u5f0f\u7684\u6570\u636e<\/h2>\n\n\n\n
\u5728ndoe-red\u4e2d\u5904\u7406xml\u7684\u6570\u636e\uff0c\u4e3b\u8981\u573a\u666f\u662f json\u6570\u636e\u8f6c\u6362\u4e3axml\u6570\u636e\uff0c\u6216\u8005xml\u683c\u5f0f\u7684\u6570\u636e\u8f6c\u6362\u4e3ajson\u6570\u636e\u683c\u5f0f\u3002\u5176\u4e2d\u4e3b\u8981\u501f\u52a9\u7684\u662fxml\u6838\u5fc3\u8282\u70b9\uff0c\u5176\u5e95\u5c42\u662f\u4f7f\u7528\u4e86xml2json\u8fd9\u4e2a\u5e93\u3002<\/p>\n\n\n\n
xml\u8fd9\u4e2a\u8282\u70b9\u7684\u9700\u8981\u7684\u8f93\u5165\u6709\u4e8c\u4e2a\u53c2\u6570<\/p>\n\n\n\n
payload<\/code> \uff1a object | \u5b57\u7b26\u4e32
\u8bbe\u7f6e\u4e3aJavaScript\u5bf9\u8c61\u6216XML\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n
options<\/code>\uff1aobject
\u53ef\u4ee5\u5c06\u9009\u9879\u4f20\u9012\u7ed9\u5185\u90e8\u4f7f\u7528\u7684XML\u8f6c\u6362\u5e93\u3002\u8bf7\u53c2\u89c1 xml2js\u6587\u6863 \u6765\u83b7\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n\n\n\n
\u8f93\u51fa\u7ed3\u679c\u662f
payload<\/code> : object | \u5b57\u7b26\u4e32
\u5982\u679c\u8f93\u5165\u662f\u5b57\u7b26\u4e32\uff0c\u5b83\u5c06\u5c1d\u8bd5\u5c06\u5176\u89e3\u6790\u4e3aXML\u5e76\u521b\u5efa\u4e00\u4e2aJavaScript\u5bf9\u8c61\u3002
\u5982\u679c\u8f93\u5165\u662fJavaScript\u5bf9\u8c61\uff0c\u5b83\u5c06\u5c1d\u8bd5\u6784\u5efaXML\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n
\u53e6\u5916\u5728XML\u548c\u5bf9\u8c61\u4e4b\u95f4\u8fdb\u884c\u8f6c\u6362\u65f6\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0bXML\u5c5e\u6027\u4f1a\u6dfb\u52a0\u5230\u540d\u4e3a$\u7684\u5c5e\u6027\u4e2d\u3002\u5c06\u6587\u672c\u5185\u5bb9\u6dfb\u52a0\u5230\u540d\u4e3a_\u7684\u5c5e\u6027\u4e2d\u3002\u8fd9\u4e9b\u5c5e\u6027\u540d\u79f0\u53ef\u4ee5\u5728\u8282\u70b9\u8bbe\u7f6e\u4e2d\u66f4\u6539\u3002<\/p>\n\n\n\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u4f8b\u5b50\uff0c\u5927\u5bb6\u53ef\u4ee5\u4ece\u8fd9\u4e2a\u4f8b\u5b50\u611f\u53d7\u5230node-red\u5bf9xml\u6570\u636e\u4e0ejson\u6570\u636e\u683c\u5f0f\u7684\u8f6c\u6362<\/p>\n\n\n\n
[{"id":"1b546d47.9474e3","type":"inject","z":"64133d39.bb0394","name":"XML String","topic":"","payload":"{"a":1}","payloadType":"str","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":100,"y":260,"wires":[["d72b2bfd.77d068"]]},{"id":"1adf407d.6c4fe","type":"debug","z":"64133d39.bb0394","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","x":590,"y":260,"wires":[]},{"id":"46638890.8ae758","type":"inject","z":"64133d39.bb0394","name":"Object","topic":"","payload":"{"note":{"$":{"priority":"high"},"to":["Nick"],"from":["Dave"],"heading":["Reminder"],"body":["Update the website"]}}","payloadType":"json","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":90,"y":300,"wires":[["dae1d291.de0d2"]]},{"id":"6fefca67.3669e4","type":"debug","z":"64133d39.bb0394","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","x":430,"y":300,"wires":[]},{"id":"d72b2bfd.77d068","type":"template","z":"64133d39.bb0394","name":"","field":"payload","fieldType":"msg","format":"text","syntax":"plain","template":"<note priority="high">n  <to>Nick<\/to>n  <from>Dave<\/from>n  <heading>Reminder<\/heading>n  <body>Update the website<\/body>n<\/note>","output":"str","x":280,"y":260,"wires":[["1746464a.87aa4a"]]},{"id":"1746464a.87aa4a","type":"xml","z":"64133d39.bb0394","name":"","property":"payload","attr":"","chr":"","x":430,"y":260,"wires":[["1adf407d.6c4fe"]]},{"id":"dae1d291.de0d2","type":"xml","z":"64133d39.bb0394","name":"","property":"payload","attr":"","chr":"","x":250,"y":300,"wires":[["6fefca67.3669e4"]]}]\n<\/code><\/pre>\n\n\n\n
\u6d41\u793a\u610f\u56fe
\"\u5982\u4f55\u5728NodeRed\u4e2d\uff0c\u5904\u7406\u8bbe\u5907\u7684json\uff0cxml\u683c\u5f0f\u7684\u6570\u636e\u63d2\u56fe1\"<\/p>\n<\/span>","protected":false},"excerpt":{"rendered":"
\u524d\u8a00 \u5728\u4f7f\u7528node-red\u5904\u7406\u5404\u79cd\u4e1a\u52a1\u573a\u666f\u65f6\uff0c\u6211\u4eec\u65f6\u5e38\u4f1a\u9047…<\/p>","protected":false},"author":106,"featured_media":11441,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[1381],"tags":[1380],"class_list":["post-11439","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-node-red","tag-nodered"],"_links":{"self":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/11439","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/users\/106"}],"replies":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/comments?post=11439"}],"version-history":[{"count":0,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/11439\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media\/11441"}],"wp:attachment":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media?parent=11439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/categories?post=11439"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/tags?post=11439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}