版本：
文件：
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https://cdn.bootcdn.net/ajax/libs/instascan/1.0.0/index.js
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https://cdn.bootcdn.net/ajax/libs/instascan/1.0.0/index.min.js
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https://cdn.bootcdn.net/ajax/libs/instascan/1.0.0/src/camera.js
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https://cdn.bootcdn.net/ajax/libs/instascan/1.0.0/src/camera.min.js
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https://cdn.bootcdn.net/ajax/libs/instascan/1.0.0/src/scanner.js
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https://cdn.bootcdn.net/ajax/libs/instascan/1.0.0/src/scanner.min.js
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https://cdn.bootcdn.net/ajax/libs/instascan/1.0.0/src/zxing.js
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https://cdn.bootcdn.net/ajax/libs/instascan/1.0.0/src/zxing.min.js