let data = [];

    new Promise(function(resolve,reject){

        axios.post('api.php').then(function(response){

            resolve(response);

        },function(error){

            reject({data:[]});

        });

    }).then(function(resolve){

        console.log('数据来了');

        console.log(resolve.data);

        data = resolve.data;

    },function(reject){

        console.log(reject);

        data = reject.data;

    });