# lime-file-utils - fileUtils 是一款可以轻松地在文件和 Base64 编码的数据之间进行转换,从而提高开发效率的UTS API工具包 ## 安装 插件市场导入即可 ## 文档 [file-utils](https://limex.qcoon.cn/native/file-utils.html) ## 使用 - APP是同步函数,非APP是Promise ```js import { fileToDataURL, dataURLToFile, processFile, ProcessFileOptions } from '@/uni_modules/lime-file-utils' const url = ref('') const src = ref('') const base64 = `data:image/png;base64,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` // #ifdef WEB || MP fileToDataURL('/static/logo.png').then(res => { url.value = res }) dataURLToFile(base64).then(res => { src.value = res }) // #endif // #ifdef APP url.value = fileToDataURL('/static/logo.png') ?? '' src.value = dataURLToFile(base64) ?? ''; // #endif // 相当于 fileToDataURL processFile({ type: 'toDataURL', path: '/static/logo.png', success: (res: string)=>{ url.value = res } } as ProcessFileOptions) // 相当于 dataURLToFile processFile({ type: 'toFile', path: base64, success: (res: string)=>{ src.value = res } } as ProcessFileOptions) ``` ## fileToDataURL 将`文件`或`图片`转成 `URL(data URL)`,接收一个文件路径,APP 返回的是`DataURL`或`null`, 非APP 返回的是`Promise` ```js fileToDataURL(filePath : string) ``` ## fileToBase64 将`文件`或`图片`转成 `Base64`, 接收一个文件路径,APP 返回的是`Base64`或`null`, 非APP 返回的是`Promise` ```js fileToBase64(filePath : string) ``` ## dataURLToFile 将 `Base64` 编码的数据 `URL(data URL)`保存为临时路径,接收一个dataURL,参数`filename`为可选, APP返回的是`string`或`null`,非APP 返回的是`Promise` ```js dataURLToFile(dataURL : string, filename : NullableString = null) ``` ## processFile 是上面三个函数的总和,接收`ProcessFileOptions` ```js processFile({ type: 'toBase64' | 'toDataURL' | 'toFile', path: string, filename?: string,//如果是toFile,则可以设置保存文件的文件名 success ?: (res : string) {}, fail ?: (res : any) {}, complete ?: (res : any) {} } as ProcessFileOptions) ``` ## 打赏 如果你觉得本插件,解决了你的问题,赠人玫瑰,手留余香。 ![](https://testingcf.jsdelivr.net/gh/liangei/image@1.9/alipay.png) ![](https://testingcf.jsdelivr.net/gh/liangei/image@1.9/wpay.png)