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| const fsm = wx.getFileSystemManager ? wx.getFileSystemManager() : null;
| const FILE_BASE_NAME = 'tmp_base64src'; //自定义文件名
|
| export function base64src(base64data, cb) {
| const [, format, bodyData] = /data:image\/(\w+);base64,(.*)/.exec(base64data) || [];
| if (!format) {
| return (new Error('ERROR_BASE64SRC_PARSE'));
| }
| const filePath = `${wx.env.USER_DATA_PATH}/${FILE_BASE_NAME}.${format}`;
| const buffer = wx.base64ToArrayBuffer(bodyData);
| fsm.writeFile({
| filePath,
| data: buffer,
| encoding: 'binary',
| success() {
| cb(filePath);
| },
| fail() {
| return (new Error('ERROR_BASE64SRC_WRITE'));
| },
| });
| };
| //module.exports = base64src;
|
|
