2016-05-13 130 views
7

给定一个JSON名单如下:你如何在jsonpath中转义@符号?

{  
"listRel:customFieldList": { 
      "platformCore:customField": [ 
       { 
       "@internalId": "801", 
       "scriptId": "custentity_admin_contact_cweb", 
       "@xsi:type": "platformCore:BooleanCustomFieldRef", 
       "platformCore:value": "false" 
       }, 
       { 
       "@internalId": "712", 
       "@scriptId": "custentity_bar_number", 
       "@xsi:type": "platformCore:StringCustomFieldRef", 
       "platformCore:value": "166493" 
       }, 
       { 
       "@internalId": "798", 
       "@scriptId": "custentity_contact_type", 
       "@xsi:type": "platformCore:SelectCustomFieldRef", 
       "platformCore:value": { 
        "@internalId": "1", 
        "@typeId": "148", 
        "platformCore:name": "Attorney" 
       } 
       } 
       ] 
} 
} 

我如何可以选择 “custentity_bar_number” 的价值? 166493?

这会让你在那里,但只有当你在JSON中删除@scriptId前的@符号。

$..['platformCore:customField'][?(@['scriptId'] == 'custentity_bar_number')] 

所以我需要的是逃避在JSON @符号,并作出这样的工作方式:

$..['platformCore:customField'][?(@['@scriptId'] == 'custentity_bar_number')] 

我使用http://jsonpath.com/,试图使这项工作。

回答

1

你显然需要使用十六进制代码(我认为这事做的方式表达被解析)

$..['platformCore:customField'][?(@['\x40scriptId'] == 'custentity_bar_number')] 
+0

哇!做得好!我不知道你可以插入这样的代码,它不在半官方文档中http://goessner.net/articles/JsonPath/index.html#e2 – redwards510