Variable defaultConst

Type declaration

• get:function

  • get(json, path):
        | string
        | number
        | boolean
        | object

  • 从 json 字符串中取值。

    import jsonpath from 'pts/jsonpath';
    
    export default function () {
        const json = JSON.stringify({
            "name": {"first": "Tom", "last": "Anderson"},
            "age": 37,
            "children": ["Sara", "Alex", "Jack"],
            "fav.movie": "Deer Hunter",
            "friends": [
                {"first": "Dale", "last": "Murphy", "age": 44, "nets": ["ig", "fb", "tw"]},
                {"first": "Roger", "last": "Craig", "age": 68, "nets": ["fb", "tw"]},
                {"first": "Jane", "last": "Murphy", "age": 47, "nets": ["ig", "tw"]}
            ]
        });
    
        console.log(jsonpath.get(json, 'name.last')); // Anderson
        console.log(jsonpath.get(json, 'age')); // 37
        console.log(jsonpath.get(json, 'children')); // Sara,Alex,Jack
        console.log(jsonpath.get(json, 'children[*]')); // Sara,Alex,Jack
        console.log(jsonpath.get(json, 'children.[0]')); // Sara
        console.log(jsonpath.get(json, 'children[1:2]')); // Alex,Jack
        console.log(jsonpath.get(json, 'friends[:].first')); // Dale,Roger,Jane
        console.log(jsonpath.get(json, 'friends[1].last')); // Craig
        console.log(jsonpath.get(json, 'friends[?(@.age > 45)].last')); // Craig,Murphy
        console.log(jsonpath.get(json, 'friends[?(@.first =~ /D.*e/)].last')); // Murphy
    };
    Copy

    Parameters

    • json: string

      json 字符串
    • path: string

      取值路径

    Returns
        | string
        | number
        | boolean
        | object

    取值数据