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1 | -import fetch from 'dva/fetch'; | ||
2 | -import { notification } from 'antd'; | ||
3 | -import router from 'umi/router'; | ||
4 | -import hash from 'hash.js'; | ||
5 | -import { isAntdPro } from './utils'; | ||
6 | - | ||
7 | -const codeMessage = { | ||
8 | - 200: '服务器成功返回请求的数据。', | ||
9 | - 201: '新建或修改数据成功。', | ||
10 | - 202: '一个请求已经进入后台排队(异步任务)。', | ||
11 | - 204: '删除数据成功。', | ||
12 | - 400: '发出的请求有错误,服务器没有进行新建或修改数据的操作。', | ||
13 | - 401: '用户没有权限(令牌、用户名、密码错误)。', | ||
14 | - 403: '用户得到授权,但是访问是被禁止的。', | ||
15 | - 404: '发出的请求针对的是不存在的记录,服务器没有进行操作。', | ||
16 | - 406: '请求的格式不可得。', | ||
17 | - 410: '请求的资源被永久删除,且不会再得到的。', | ||
18 | - 422: '当创建一个对象时,发生一个验证错误。', | ||
19 | - 500: '服务器发生错误,请检查服务器。', | ||
20 | - 502: '网关错误。', | ||
21 | - 503: '服务不可用,服务器暂时过载或维护。', | ||
22 | - 504: '网关超时。', | ||
23 | -}; | ||
24 | - | ||
25 | -const checkStatus = response => { | ||
26 | - if (response.status >= 200 && response.status < 300) { | ||
27 | - return response; | ||
28 | - } | ||
29 | - const errortext = codeMessage[response.status] || response.statusText; | ||
30 | - notification.error({ | ||
31 | - message: `请求错误 ${response.status}: ${response.url}`, | ||
32 | - description: errortext, | ||
33 | - }); | ||
34 | - const error = new Error(errortext); | ||
35 | - error.name = response.status; | ||
36 | - error.response = response; | ||
37 | - throw error; | ||
38 | -}; | ||
39 | - | ||
40 | -const cachedSave = (response, hashcode) => { | ||
41 | - /** | ||
42 | - * Clone a response data and store it in sessionStorage | ||
43 | - * Does not support data other than json, Cache only json | ||
44 | - */ | ||
45 | - const contentType = response.headers.get('Content-Type'); | ||
46 | - if (contentType && contentType.match(/application\/json/i)) { | ||
47 | - // All data is saved as text | ||
48 | - response | ||
49 | - .clone() | ||
50 | - .text() | ||
51 | - .then(content => { | ||
52 | - sessionStorage.setItem(hashcode, content); | ||
53 | - sessionStorage.setItem(`${hashcode}:timestamp`, Date.now()); | ||
54 | - }); | ||
55 | - } | ||
56 | - return response; | ||
57 | -}; | ||
58 | - | ||
59 | -/** | ||
60 | - * Requests a URL, returning a promise. | ||
61 | - * | ||
62 | - * @param {string} url The URL we want to request | ||
63 | - * @param {object} [option] The options we want to pass to "fetch" | ||
64 | - * @return {object} An object containing either "data" or "err" | ||
65 | - */ | ||
66 | -export default function request(url, option) { | ||
67 | - const options = { | ||
68 | - expirys: isAntdPro(), | ||
69 | - ...option, | ||
70 | - }; | ||
71 | - /** | ||
72 | - * Produce fingerprints based on url and parameters | ||
73 | - * Maybe url has the same parameters | ||
74 | - */ | ||
75 | - const fingerprint = url + (options.body ? JSON.stringify(options.body) : ''); | ||
76 | - const hashcode = hash | ||
77 | - .sha256() | ||
78 | - .update(fingerprint) | ||
79 | - .digest('hex'); | ||
80 | - | ||
81 | - const defaultOptions = { | ||
82 | - credentials: 'include', | ||
83 | - }; | ||
84 | - const newOptions = { ...defaultOptions, ...options }; | ||
85 | - if ( | ||
86 | - newOptions.method === 'POST' || | ||
87 | - newOptions.method === 'PUT' || | ||
88 | - newOptions.method === 'DELETE' | ||
89 | - ) { | ||
90 | - if (!(newOptions.body instanceof FormData)) { | ||
91 | - newOptions.headers = { | ||
92 | - Accept: 'application/json', | ||
93 | - 'Content-Type': 'application/json; charset=utf-8', | ||
94 | - ...newOptions.headers, | ||
95 | - }; | ||
96 | - newOptions.body = JSON.stringify(newOptions.body); | ||
97 | - } else { | ||
98 | - // newOptions.body is FormData | ||
99 | - newOptions.headers = { | ||
100 | - Accept: 'application/json', | ||
101 | - ...newOptions.headers, | ||
102 | - }; | ||
103 | - } | ||
104 | - } | ||
105 | - | ||
106 | - const expirys = options.expirys && 60; | ||
107 | - // options.expirys !== false, return the cache, | ||
108 | - if (options.expirys !== false) { | ||
109 | - const cached = sessionStorage.getItem(hashcode); | ||
110 | - const whenCached = sessionStorage.getItem(`${hashcode}:timestamp`); | ||
111 | - if (cached !== null && whenCached !== null) { | ||
112 | - const age = (Date.now() - whenCached) / 1000; | ||
113 | - if (age < expirys) { | ||
114 | - const response = new Response(new Blob([cached])); | ||
115 | - return response.json(); | ||
116 | - } | ||
117 | - sessionStorage.removeItem(hashcode); | ||
118 | - sessionStorage.removeItem(`${hashcode}:timestamp`); | ||
119 | - } | ||
120 | - } | ||
121 | - return fetch(url, newOptions) | ||
122 | - .then(checkStatus) | ||
123 | - .then(response => cachedSave(response, hashcode)) | ||
124 | - .then(response => { | ||
125 | - // DELETE and 204 do not return data by default | ||
126 | - // using .json will report an error. | ||
127 | - if (newOptions.method === 'DELETE' || response.status === 204) { | ||
128 | - return response.text(); | ||
129 | - } | ||
130 | - return response.json(); | ||
131 | - }) | ||
132 | - .catch(e => { | ||
133 | - const status = e.name; | ||
134 | - if (status === 401) { | ||
135 | - // @HACK | ||
136 | - /* eslint-disable no-underscore-dangle */ | ||
137 | - window.g_app._store.dispatch({ | ||
138 | - type: 'login/logout', | ||
139 | - }); | ||
140 | - return; | ||
141 | - } | ||
142 | - // environment should not be used | ||
143 | - if (status === 403) { | ||
144 | - router.push('/exception/403'); | ||
145 | - return; | ||
146 | - } | ||
147 | - if (status <= 504 && status >= 500) { | ||
148 | - router.push('/exception/500'); | ||
149 | - return; | ||
150 | - } | ||
151 | - if (status >= 404 && status < 422) { | ||
152 | - router.push('/exception/404'); | ||
153 | - } | ||
154 | - }); | ||
155 | -} |
@@ -18,7 +18,7 @@ | @@ -18,7 +18,7 @@ | ||
18 | "hash.js": "^1.1.5", | 18 | "hash.js": "^1.1.5", |
19 | "moment": "^2.22.2", | 19 | "moment": "^2.22.2", |
20 | "nzh": "^1.0.3", | 20 | "nzh": "^1.0.3", |
21 | - "qs": "^6.6.0" | 21 | + "umi-request": "^1.0.0-beta.1" |
22 | }, | 22 | }, |
23 | "devDependencies": { | 23 | "devDependencies": { |
24 | "umi": "^2.3.0-beta.1", | 24 | "umi": "^2.3.0-beta.1", |
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