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  • JSON.parse()和JSON.stringify()的用法

    JSON.parse()和JSON.stringify()的用法

    JSON.parse()是用于从一个字符串中解析出json对象,如下所示

    var str = '{"name":"flsummer","age":"23"}'

    JSON.parse(str)

    结果:Object {name: "flsummer", age: "23"}

    注意:单引号必须写在{}外,每个属性名都必须用双引号,否则会抛出异常。

    JSON.stringify()用于从一个对象解析出字符串,如

    var a = {a:1,b:2};

    JSON.stringify(a);

    结果:"{"a":1,"b":2}"

    let vm = new Vue({
        el: '#app',
        delimiters: ['[[', ']]'],
        data: {
            username: getCookie('username'),
            is_show_edit: false,
            form_address: {
                receiver: '',
                province_id: '',
                city_id: '',
                district_id: '',
                place: '',
                mobile: '',
                tel: '',
                email: '',
            },
    
            provinces: [],
            cities: [],
            districts: [],

         addresses: JSON.parse(addresses),

    default_address_id: default_address_id, editing_address_index:
    '', edit_title_index: '', new_title: '', error_receiver: false, error_place: false, error_mobile: false, error_tel: false, error_email: false, },
        <script type="text/javascript">
            let addresses = "{{ addresses|safe }}";
            let default_address_id = "{{ 'default_address_id' }}";
        </script>
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  • 原文地址:https://www.cnblogs.com/sewen-H/p/13345658.html
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