jquery绑定回车键
document.onkeydown = function (e) {

        var theEvent = window.event || e; 
        var code = theEvent.keyCode || theEvent.which; 
        if (code == 13) { 
            $('#btns_login').click();
        } 
    };

Vue和Vue框架绑定回车键

Vue绑定：v-on:keyup.enter="submitClick"

Vue框架绑定：v-on:keyup.enter.native="submitClick"