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我试图用Nifi表达式语言解析的json - jsonpathNiFi | JSON解析使用Nifi表达
https://nifi.apache.org/docs/nifi-docs/html/expression-language-guide.html#jsonpath
其用途 ''用于节点遍历。如果json有一个节点名称为'。'在里面。
下面是样品JSON
{"feedName":"trigger_category.childfeed123",
"feedId":"eff68e0b-a9e6-4c11-b74f-53f161a47faf",
"dependentFeedNames":["trigger_category.test_shashi"],
"feedJobExecutionContexts":{"trigger_category.test_shashi":[{"jobExecutionId":23946,
"startTime":1485145059971,
"endTime":1485145111733,
"executionContext":{"feedts":"1485145061170"}}]},
"latestFeedJobExecutionContext":{"**trigger_category.test_shashi**":{"jobExecutionId":23946,
"startTime":1485145059971,
"endTime":1485145111733,
"executionContext":{"**feedts**":"1485145061170"}}}}
我想读feedts但其父节点 'trigger_category.test_shashi' 有圆点( '')在其中。我如何逃避那个角色?