treepath()treepath()

枚举可标识动态对象中所有遗留内容的路径表达式。Enumerates all the path expressions that identify leaves in a dynamic object.

treepath(动态对象)treepath(dynamic object)

返回Returns

路径表达式的数组。An array of path expressions.

示例Examples

表达式Expression 计算结果Evaluates to
treepath(parse_json('{"a":"b", "c":123}')) ["['a']","['c']"]
treepath(parse_json('{"prop1":[1,2,3,4], "prop2":"value2"}')) ["['prop1']","['prop1'][0]","['prop2']"]
treepath(parse_json('{"listProperty":[100,200,300,"abcde",{"x":"y"}]}')) ["['listProperty']","['listProperty'][0]","['listProperty'][0]['x']"]