yeyicheng edited a comment on issue #5009: canvas经过css3旋转90deg之后，响应触摸点有问题 URL: https://github.com/apache/incubator-echarts/issues/5009#issuecomment-469567341 @cjzhang1230 是的，我把代码贴给你，你参考一下。 ``` function defaultGetZrXY(el, e, out) { // This well-known method below does not support css transform. var box = getBoundingClientRect(el); var canvas = e.target; var orient = (window && window.orientation !== undefined)? window.orientation: screen.orientation.angle; var portrait = orient == 0 || orient == 180; function rotate_by_origin(x, y, ox, oy, angle) { var o = []; rotate(o, [-(oy - y), -(ox - x), 0, 0], angle * Math.PI / 180); return [ox + o[1], oy + o[0]]; } try { if((forceLandscape && portrait) || (forcePortrait && !portrait)) { var origin = Math.min($("#main").width(), $("#main").height()) / 2; var angle = portrait? -90: 90; var new_out = rotate_by_origin(e.clientX-box.left, e.clientY-box.top, origin, origin, angle); out.zrX = new_out[0]; out.zrY = new_out[1]; } else { out.zrX = e.clientX - box.left; out.zrY = e.clientY - box.top; } } catch (e) { alert(e); } } ```
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