[
{
"lastName": "Seymour",
"gender": "Female",
"patientID": 18134,
"firstName": "Stephanie",
"age": "111Y"
},
{
"lastName": "Seymour",
"gender": "Female",
"patientID": 18134,
"firstName": "Stephanie",
"age": "111Y"
}
]
如何在添加之前检查我的 JSON 是否包含此值...