jsonpath

1. java 类库

     jayway/JsonPath 

      maven 使用方法

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<dependency>     <groupId>com.jayway.jsonpath</groupId>     <artifactId>json-path</artifactId>     <version>2.2.0</version> </dependency>

　　jsonpath 语法：

      

Operators

Operator	Description
$	The root element to query. This starts all path expressions.
@	The current node being processed by a filter predicate.
*	Wildcard. Available anywhere a name or numeric are required.
..	Deep scan. Available anywhere a name is required.
.<name>	Dot-notated child
['<name>' (, '<name>')]	Bracket-notated child or children
[<number> (, <number>)]	Array index or indexes
[start:end]	Array slice operator
[?(<expression>)]	Filter expression. Expression must evaluate to a boolean value.

 

 

2. js 类库

      jsonpath-plus  

      npm    

      

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1	npm install jsonpath-plus

   使用 nodeJs  broswer

   

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1 2	var JSONPath = require('jsonpath-plus');  var result = JSONPath({json: obj, path: path});

　　

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<script src="lib/jsonpath.js"></script>   <script>       var result = JSONPath({path: path, json: obj});   </script>