AI-app/utils/utils.js

export function formatDate(date, fmt) {
	const o = {
		'M+': date.getMonth() + 1, // 月份
		'd+': date.getDate(), // 日
		'h+': date.getHours(), // 小时
		'm+': date.getMinutes(), // 分
		's+': date.getSeconds(), // 秒
		S: date.getMilliseconds() // 毫秒
	};
	if (/(y+)/.test(fmt)) {
		// eslint-disable-next-line no-param-reassign
		fmt = fmt.replace(RegExp.$1, `${date.getFullYear()}`.substr(4 - RegExp.$1.length));
	}
	for (const k in o) {
		if (new RegExp(`(${k})`).test(fmt)) {
			// eslint-disable-next-line no-param-reassign
			fmt = fmt.replace(RegExp.$1, RegExp.$1.length === 1 ? o[k] : `00${o[k]}`.substr(`${o[k]}`.length));
		}
	}
	return fmt;
}

export function copyText(text) {
	uni.setClipboardData({
		data: text,
		success: () => {
			uni.showToast({
				title: '复制成功',
				icon: 'none'
			});
		},
		fail: (err) => {
			uni.showToast({
				title: '复制失败',
				icon: 'none'
			});
		}
	});
};

export const removeFile = (filePath) => {

	plus.io.resolveLocalFileSystemURL(
		filePath,
		(entry) => {
			entry.remove(
				() => console.log("删除成功"), // 成功回调
				(error) => console.log(`删除失败：${error.message}`) // 失败回调
			);
		},
		(error) => console.log(`文件不存在：${error.message}`)
	);

}


export const base64ToFile = (base64Strs, fileName, callback) => {
	let index = base64Strs.indexOf(',');
	let base64Str = base64Strs.slice(index + 1, base64Strs.length);

	plus.io.requestFileSystem(plus.io.PRIVATE_DOC, function(fs) {
		fs.root.getFile(fileName, {
			create: true
		}, function(entry) {
			let fullPath = entry.fullPath;
			let platform = uni.getSystemInfoSync().platform;
			if (platform == 'android') {
				let Base64 = plus.android.importClass("android.util.Base64");
				let FileOutputStream = plus.android.importClass("java.io.FileOutputStream");
				try {
					let out = new FileOutputStream(fullPath);
					let bytes = Base64.decode(base64Str, Base64.DEFAULT);
					out.write(bytes);
					out.close();
					callback && callback(entry.toLocalURL());
				} catch (e) {
					console.log(e.message);
				}
			} else if (platform == 'ios') {
				let NSData = plus.ios.importClass('NSData');
				let nsData = new NSData();
				nsData = nsData.initWithBase64EncodedStringoptions(base64Str, 0);
				if (nsData) {
					nsData.plusCallMethod({
						writeToFile: fullPath,
						atomically: true
					});
					plus.ios.deleteObject(nsData);
				}
				callback && callback(entry.toLocalURL());
			}
		});
	});
};


export function textToSpeech(text, options = {}) {
	return new Promise((resolve, reject) => {
		const {
			token = '24.1c8cc30b5f7be445723b6d4b19a36152.2592000.1765094496.282335-120706844',
			tex = text,
			cuid = 'uni-app-demo',
			ctp = 1,
			lan = 'zh',
			spd = 5,
			pit = 5,
			vol = 5,
			per = 0
		} = options
		
		const url = 'https://tsn.baidu.com/text2audio'
		const params = {
			tex: encodeURIComponent(tex),
			cuid,
			ctp,
			lan,
			spd,
			pit,
			vol,
			per,
			tok: token
		}
		
		// 构建查询字符串
		const queryString = Object.keys(params).map(key => {
			return `${key}=${params[key]}`
		}).join('&')
		
		uni.request({
			url: `${url}?${queryString}`,
			method: 'GET',
			responseType: 'arraybuffer',
			success: (res) => {
				// 检查响应状态
				if (res.statusCode === 200) {
					// 检查是否是音频数据（MP3格式通常以特定字节开头）
					if (res.data && res.data.byteLength > 0) {
						// 检查是否是JSON错误响应（百度API错误时返回JSON）
						try {
							const textDecoder = new TextDecoder('utf-8')
							const text = textDecoder.decode(new Uint8Array(res.data.slice(0, 100)))
							if (text.startsWith('{') || text.startsWith('[')) {
								// 是JSON响应，说明是错误
								const errorData = JSON.parse(text)
								console.error('TTS API Error:', errorData)
								reject(new Error(errorData.err_msg || 'TTS请求失败'))
								return
							}
						} catch (e) {
							// 不是JSON，应该是音频数据
						}
						resolve(res.data)
					} else {
						reject(new Error('返回数据为空'))
					}
				} else {
					reject(new Error(`请求失败，状态码: ${res.statusCode}`))
				}
			},
			fail: (err) => {
				console.error('TTS Request Error:', err)
				reject(new Error(err.errMsg || '网络请求失败'))
			}
		})
	})
}