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added setup.py
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19
frontend/src/components/ImageCropper/utils/data2blob.js
Executable file
19
frontend/src/components/ImageCropper/utils/data2blob.js
Executable file
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/**
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* database64文件格式转换为2进制
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*
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* @param {[String]} data dataURL 的格式为 “data:image/png;base64,****”,逗号之前都是一些说明性的文字,我们只需要逗号之后的就行了
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* @param {[String]} mime [description]
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* @return {[blob]} [description]
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*/
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export default function(data, mime) {
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data = data.split(',')[1]
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data = window.atob(data)
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var ia = new Uint8Array(data.length)
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for (var i = 0; i < data.length; i++) {
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ia[i] = data.charCodeAt(i)
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}
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// canvas.toDataURL 返回的默认格式就是 image/png
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return new Blob([ia], {
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type: mime
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})
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}
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