23 lines
639 B
JavaScript
23 lines
639 B
JavaScript
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function imageUtil (originalWidth, originalHeight) {
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let imageSize = {}
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wx.getSystemInfo({
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success: function (res) {
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const windowWidth = res.windowWidth
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imageSize.x = 0
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imageSize.y = 0
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imageSize.windowWidth = windowWidth
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imageSize.imageWidth = originalWidth
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imageSize.imageHeight = originalHeight
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if (originalWidth > windowWidth) {
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imageSize.imageWidth = windowWidth
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imageSize.imageHeight = windowWidth * originalHeight / originalWidth
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} else {
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imageSize.x = (windowWidth - originalWidth) / 2
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}
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}
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})
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return imageSize
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}
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export default imageUtil
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