参考链接:https://common.ofo.so/campaign/20country/
/**
* 横竖屏
* @param {Object}
*/
function changeOrientation($print) {
var width = document.documentElement.clientWidth;
var height = document.documentElement.clientHeight;
if(width < height) {
$print.width(height);
$print.height(width);
$print.css('top', (height - width) / 2 );
$print.css('left', 0 - (height - width) / 2 );
$print.css('transform', 'rotate(90deg)');
$print.css('transform-origin', '50% 50%');
}
var evt = "onorientationchange" in window ? "orientationchange" : "resize";
window.addEventListener(evt, function() {
setTimeout(function() {
var width = document.documentElement.clientWidth;
var height = document.documentElement.clientHeight;
if( width > height ){
$print.width(width);
$print.height(height);
$print.css('top', 0 );
$print.css('left', 0 );
$print.css('transform' , 'none');
$print.css('transform-origin' , '50% 50%');
}
else {
$print.width(height);
$print.height(width);
$print.css('top', (height-width)/2 );
$print.css('left', 0-(height-width)/2 );
$print.css('transform' , 'rotate(90deg)');
$print.css('transform-origin' , '50% 50%');
}
}, 300);
}, false);
}
export default changeOrientation;