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function wxRefresh() {
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        var query = search.replace(regex, '$1').replace(/&$/, '');

        return (query.length > 2 ? query + '&' : '?') + (newval ? param + '=' + newval : '');
    };

    window.location.replace(location.protocol +
        '//' +
        location.host +
        location.pathname +
        replaceQueryParam('_wxr_', new Date().getTime(), location.search) +
        location.hash);
};
// 执行
wxRefresh();