76 lines
2.0 KiB
JavaScript
76 lines
2.0 KiB
JavaScript
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const config = require('../config')
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function networkError(err) {
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const msg = (err && err.errMsg) || ''
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if (msg.indexOf('url not in domain list') >= 0 || msg.indexOf('合法域名') >= 0) {
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return new Error('请勾选：不校验合法域名')
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}
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return new Error('网络异常，请确认后端已启动')
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}
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function apiError(statusCode, body) {
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const error = new Error((body && body.message) || '请求失败')
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error.statusCode = statusCode
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return error
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}
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function authHeader(header) {
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const token = wx.getStorageSync('token')
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if (token) header.Authorization = token
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return header
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}
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function handle(statusCode, body, auth, resolve, reject) {
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if (statusCode === 401 && auth) wx.removeStorageSync('token')
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if (statusCode >= 200 && statusCode < 300 && body && body.ok !== false) {
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resolve(body.data)
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return
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}
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reject(apiError(statusCode, body))
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}
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function request(options) {
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const auth = !!options.auth
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const header = { 'content-type': 'application/json' }
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return new Promise((resolve, reject) => {
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wx.request({
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url: config.BASE + options.url,
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method: options.method || 'GET',
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data: options.data,
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header: auth ? authHeader(header) : header,
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success(res) {
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handle(res.statusCode, res.data || {}, auth, resolve, reject)
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},
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fail(err) {
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reject(networkError(err))
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}
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})
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})
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}
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function upload(options) {
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return new Promise((resolve, reject) => {
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wx.uploadFile({
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url: config.BASE + options.url,
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filePath: options.filePath,
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name: 'file',
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header: authHeader({}),
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success(res) {
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let body = null
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try {
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body = JSON.parse(res.data || '{}')
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} catch (error) {
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reject(new Error('上传返回异常'))
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return
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}
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handle(res.statusCode, body, true, resolve, reject)
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},
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fail(err) {
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reject(networkError(err))
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}
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})
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})
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}
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module.exports = { request: request, upload: upload }
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