优化

src/api/overseas.js

@@ -78,6 +78,25 @@ function rawUpload(path, filePath, name, token) {
 	})
 }
 
+function overseasUrl(path) {
+	const value = String(path || '')
+	const normalized = /\/(?:api|overseas-api)$/.test(session.apiBase)
+		? value.replace(/^\/api(?=\/)/, '')
+		: value
+	return `${session.apiBase}${normalized}`
+}
+
+function rawDownload(path, token) {
+	return new Promise((resolve, reject) => {
+		uni.downloadFile({
+			url: overseasUrl(path),
+			header: { Authorization: `Bearer ${token}` },
+			success: resolve,
+			fail: (cause) => reject(Object.assign(new Error(cause.errMsg || '签收照片下载失败'), { network: true }))
+		})
+	})
+}
+
 export async function overseasUpload(path, filePath, name = 'file', retry = true) {
 	const attemptedToken = session.token
 	let response = await rawUpload(path, filePath, name, attemptedToken)
@@ -92,4 +111,17 @@ export async function overseasUpload(path, filePath, name = 'file', retry = true
 	return body.data
 }
 
+export async function overseasDownload(path, retry = true) {
+	const attemptedToken = session.token
+	let response = await rawDownload(path, attemptedToken)
+	if (retry && unauthorized(response)) {
+		const replacementToken = await tokenAfterUnauthorized(attemptedToken)
+		response = await rawDownload(path, replacementToken)
+	}
+	if (response?.statusCode !== 200 || !response?.tempFilePath) {
+		throw errorFrom({ ...response, data: {} }, '签收照片下载失败')
+	}
+	return response.tempFilePath
+}
+
 export function resetOverseasRequestStateForTest() { refreshPromise = null }