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31 lines
752 B
31 lines
752 B
const fsm = tt.getFileSystemManager();
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var index = 0
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function getNewFileId() {
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return Date.now() + String(index++)
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}
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const FILE_BASE_NAME = getNewFileId(); //自定义文件名
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function base64ToImg(base64data, cb) {
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const [, format, bodyData] = /data:image\/(\w+);base64,(.*)/.exec(base64data) || [];
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if (!format) {
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return (new Error('图片转换错误!'));
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}
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const filePath = `${tt.getEnvInfoSync().common.USER_DATA_PATH}/${FILE_BASE_NAME}.${format}`;
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const buffer = tt.base64ToArrayBuffer(bodyData);
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fsm.writeFile({
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filePath,
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data: buffer,
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encoding: 'binary',
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success() {
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cb(filePath);
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},
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fail() {
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return (new Error('图片转换错误!'));
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},
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});
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};
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module.exports = base64ToImg;
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