使用Mule 4中所需的任意一个字段验证json Array

%dw 2.0
output application/json

var jsonArray = [
  {"name": "John", "age": 25},
  {"name": "Jane", "age": 30},
  {"name": "Bob", "age": 35}
]

var fieldName = "name"
var fieldValue = "John"

var filteredArray = jsonArray filter ($.fieldName == fieldValue)

---
filteredArray

<mule xmlns:validation="http://www.mulesoft.org/schema/mule/validation" xmlns:ee="http://www.mulesoft.org/schema/mule/ee/core" xmlns="http://www.mulesoft.org/schema/mule/core" xmlns:doc="http://www.mulesoft.org/schema/mule/documentation"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="
        http://www.mulesoft.org/schema/mule/validation http://www.mulesoft.org/schema/mule/validation/current/mule-validation.xsd
        http://www.mulesoft.org/schema/mule/ee/core http://www.mulesoft.org/schema/mule/ee/core/current/mule-ee.xsd
        http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd">

    <flow name="validateJsonArrayFlow">
        <http:listener config-ref="HTTP_Listener_Configuration" path="/validate" doc:name="HTTP"/>
        <set-payload value="#[['name': 'John', 'age': 25], ['name': 'Jane', 'age': 30], ['name': 'Bob', 'age': 35]]" doc:name="Set Payload"/>
        <validation:is-true expression="#[payload.size() > 0]" doc:name="Validate JSON Array"/>
        <logger level="INFO" message="JSON Array is valid" doc:name="Logger"/>
    </flow>

</mule>