456 lines
11 KiB
JavaScript
456 lines
11 KiB
JavaScript
/**
|
||
* Request 1.0.6
|
||
* @Class Request
|
||
* @description luch-request 1.0.6 http请求插件
|
||
* @Author lu-ch
|
||
* @Date 2020-03-17
|
||
* @Email webwork.s@qq.com
|
||
* http://ext.dcloud.net.cn/plugin?id=392
|
||
*/
|
||
import store from '@/store';
|
||
import mHelper from '@/utils/helper';
|
||
export default class Request {
|
||
config = {
|
||
baseUrl: '',
|
||
header: {
|
||
'content-type': 'application/json'
|
||
},
|
||
method: 'GET',
|
||
dataType: 'json',
|
||
// #ifndef MP-ALIPAY || APP-PLUS
|
||
responseType: 'text',
|
||
// #endif
|
||
custom: {},
|
||
// #ifdef MP-ALIPAY
|
||
timeout: 30000,
|
||
// #endif
|
||
// #ifdef APP-PLUS
|
||
sslVerify: true
|
||
// #endif
|
||
};
|
||
/**
|
||
* @property {Function} request 请求拦截器
|
||
* @property {Function} response 响应拦截器
|
||
* @type {{request: Request.interceptor.request, response: Request.interceptor.response}}
|
||
*/
|
||
interceptor = {
|
||
/**
|
||
* @param {Request~requestCallback} cb - 请求之前拦截,接收一个函数（config, cancel）=> {return config}。第一个参数为全局config,第二个参数为函数，调用则取消本次请求。
|
||
*/
|
||
request: cb => {
|
||
if (cb) {
|
||
this.requestBeforeFun = cb;
|
||
}
|
||
},
|
||
/**
|
||
* @param {Request~responseCallback} cb 响应拦截器，对响应数据做点什么
|
||
* @param {Request~responseErrCallback} ecb 响应拦截器，对响应错误做点什么
|
||
*/
|
||
response: (cb, ecb) => {
|
||
if (cb) {
|
||
this.requestComFun = cb;
|
||
}
|
||
if (ecb) {
|
||
this.requestComFail = ecb;
|
||
}
|
||
}
|
||
};
|
||
|
||
static posUrl(url) {
|
||
/* 判断url是否为绝对路径 */
|
||
return /(http|https):\/\/([\w.]+\/?)\S*/.test(url);
|
||
}
|
||
|
||
static mergeUrl(url, baseUrl, params) {
|
||
let mergeUrl = Request.posUrl(url) ? url : `${baseUrl}${url}`;
|
||
if (Object.keys(params).length !== 0) {
|
||
const paramsH = Request.addQueryString(params);
|
||
mergeUrl += mergeUrl.includes('?') ? `&${paramsH}` : `?${paramsH}`;
|
||
}
|
||
return mergeUrl;
|
||
}
|
||
|
||
static addQueryString(params) {
|
||
let paramsData = '';
|
||
Object.keys(params).forEach(function (key) {
|
||
paramsData += key + '=' + encodeURIComponent(params[key]) + '&';
|
||
});
|
||
return paramsData.substring(0, paramsData.length - 1);
|
||
}
|
||
|
||
requestBeforeFun(config) {
|
||
return config;
|
||
}
|
||
|
||
requestComFun(response) {
|
||
return response;
|
||
}
|
||
|
||
requestComFail(response) {
|
||
return response;
|
||
}
|
||
|
||
/**
|
||
* 自定义验证器，如果返回true 则进入响应拦截器的响应成功函数(resolve)，否则进入响应拦截器的响应错误函数(reject)
|
||
* @param { Number } statusCode - 请求响应体statusCode（只读）
|
||
* @return { Boolean } 如果为true,则 resolve, 否则 reject
|
||
*/
|
||
validateStatus(statusCode) {
|
||
return statusCode === 200;
|
||
}
|
||
|
||
/**
|
||
* @Function
|
||
* @param {Request~setConfigCallback} f - 设置全局默认配置
|
||
*/
|
||
setConfig(f) {
|
||
this.config = f(this.config);
|
||
}
|
||
|
||
/**
|
||
* @Function
|
||
* @param {Object} options - 请求配置项
|
||
* @prop {String} options.url - 请求路径
|
||
* @prop {Object} options.data - 请求参数
|
||
* @prop {Object} [options.responseType = config.responseType] [text|arraybuffer] - 响应的数据类型
|
||
* @prop {Object} [options.dataType = config.dataType] - 如果设为 json，会尝试对返回的数据做一次 JSON.parse
|
||
* @prop {Object} [options.header = config.header] - 请求header
|
||
* @prop {Object} [options.method = config.method] - 请求方法
|
||
* @returns {Promise<unknown>}
|
||
*/
|
||
async request(options = {}) {
|
||
options.baseUrl = this.config.baseUrl;
|
||
options.dataType = options.dataType || this.config.dataType;
|
||
// #ifndef MP-ALIPAY || APP-PLUS
|
||
options.responseType = options.responseType || this.config.responseType;
|
||
// #endif
|
||
// #ifdef MP-ALIPAY
|
||
options.timeout = options.timeout || this.config.timeout;
|
||
// #endif
|
||
options.url = options.url || '';
|
||
options.data = options.data || {};
|
||
options.params = options.params || {};
|
||
options.header = options.header || this.config.header;
|
||
options.method = options.method || this.config.method;
|
||
options.custom = {...this.config.custom, ...(options.custom || {})};
|
||
// #ifdef APP-PLUS
|
||
options.sslVerify =
|
||
options.sslVerify === undefined
|
||
? this.config.sslVerify
|
||
: options.sslVerify;
|
||
// #endif
|
||
|
||
options.getTask = options.getTask || this.config.getTask;
|
||
return new Promise((resolve, reject) => {
|
||
let next = true;
|
||
const cancel = (t = 'handle cancel', config = options) => {
|
||
const err = {
|
||
errMsg: t,
|
||
config: config
|
||
};
|
||
reject(err);
|
||
next = false;
|
||
};
|
||
|
||
const handleRe = {...this.requestBeforeFun(options, cancel)};
|
||
const _config = {...handleRe};
|
||
if (!next) return;
|
||
const requestTask = uni.request({
|
||
url: Request.mergeUrl(_config.url, _config.baseUrl, _config.params),
|
||
data: _config.data,
|
||
header: _config.header,
|
||
method: _config.method,
|
||
// #ifdef MP-ALIPAY
|
||
timeout: _config.timeout,
|
||
// #endif
|
||
dataType: _config.dataType,
|
||
// #ifndef MP-ALIPAY || APP-PLUS
|
||
responseType: _config.responseType,
|
||
// #endif
|
||
// #ifdef APP-PLUS
|
||
sslVerify: _config.sslVerify,
|
||
// #endif
|
||
complete: response => {
|
||
|
||
response.config = handleRe;
|
||
if (this.validateStatus(response.statusCode)) {
|
||
// 成功
|
||
response = this.requestComFun(response);
|
||
resolve(response);
|
||
} else {
|
||
if(response.statusCode===401){
|
||
uni.removeStorageSync('accessToken');
|
||
store.commit('logout');
|
||
uni.showModal({
|
||
content: '会话已过期，是否跳转登录页面？',
|
||
success: confirmRes => {
|
||
if (confirmRes.confirm) {
|
||
mHelper.backToLogin();
|
||
throw response.data.message;
|
||
}
|
||
}
|
||
});
|
||
}
|
||
response = this.requestComFail(response);
|
||
reject(response);
|
||
}
|
||
}
|
||
});
|
||
if (handleRe.getTask) {
|
||
handleRe.getTask(requestTask, handleRe);
|
||
}
|
||
});
|
||
}
|
||
|
||
get(url, params = {}) {
|
||
const options = {};
|
||
options.params = params;
|
||
return this.request({
|
||
url,
|
||
method: 'GET',
|
||
...options
|
||
});
|
||
}
|
||
|
||
post(url, data, options = {}) {
|
||
return this.request({
|
||
url,
|
||
data,
|
||
method: 'POST',
|
||
...options
|
||
});
|
||
}
|
||
|
||
// #ifndef MP-ALIPAY
|
||
put(url, data, options = {}) {
|
||
return this.request({
|
||
url,
|
||
data,
|
||
method: 'PUT',
|
||
...options
|
||
});
|
||
}
|
||
|
||
// #endif
|
||
|
||
// #ifdef APP-PLUS || H5 || MP-WEIXIN || MP-BAIDU
|
||
delete(url, data, options = {}) {
|
||
return this.request({
|
||
url,
|
||
data,
|
||
method: 'DELETE',
|
||
...options
|
||
});
|
||
}
|
||
|
||
// #endif
|
||
|
||
// #ifdef APP-PLUS || H5 || MP-WEIXIN
|
||
connect(url, data, options = {}) {
|
||
return this.request({
|
||
url,
|
||
data,
|
||
method: 'CONNECT',
|
||
...options
|
||
});
|
||
}
|
||
|
||
// #endif
|
||
|
||
// #ifdef APP-PLUS || H5 || MP-WEIXIN || MP-BAIDU
|
||
head(url, data, options = {}) {
|
||
return this.request({
|
||
url,
|
||
data,
|
||
method: 'HEAD',
|
||
...options
|
||
});
|
||
}
|
||
|
||
// #endif
|
||
|
||
// #ifdef APP-PLUS || H5 || MP-WEIXIN || MP-BAIDU
|
||
options(url, data, options = {}) {
|
||
return this.request({
|
||
url,
|
||
data,
|
||
method: 'OPTIONS',
|
||
...options
|
||
});
|
||
}
|
||
|
||
// #endif
|
||
|
||
// #ifdef APP-PLUS || H5 || MP-WEIXIN
|
||
trace(url, data, options = {}) {
|
||
return this.request({
|
||
url,
|
||
data,
|
||
method: 'TRACE',
|
||
...options
|
||
});
|
||
}
|
||
|
||
// #endif
|
||
|
||
upload(
|
||
url,
|
||
{
|
||
// #ifdef APP-PLUS
|
||
files,
|
||
// #endif
|
||
// #ifdef MP-ALIPAY
|
||
fileType,
|
||
// #endif
|
||
filePath,
|
||
name,
|
||
header,
|
||
formData = {},
|
||
custom = {},
|
||
params = {},
|
||
getTask
|
||
}
|
||
) {
|
||
return new Promise((resolve, reject) => {
|
||
let next = true;
|
||
const globalHeader = {...this.config.header};
|
||
delete globalHeader['content-type'];
|
||
delete globalHeader['Content-Type'];
|
||
const pubConfig = {
|
||
baseUrl: this.config.baseUrl,
|
||
url,
|
||
// #ifdef MP-ALIPAY
|
||
fileType,
|
||
// #endif
|
||
filePath,
|
||
method: 'UPLOAD',
|
||
name,
|
||
header: header || globalHeader,
|
||
formData,
|
||
params,
|
||
custom: {...this.config.custom, ...custom},
|
||
getTask: getTask || this.config.getTask
|
||
};
|
||
// #ifdef APP-PLUS
|
||
if (files) {
|
||
pubConfig.files = files;
|
||
}
|
||
// #endif
|
||
const cancel = (t = 'handle cancel', config = pubConfig) => {
|
||
const err = {
|
||
errMsg: t,
|
||
config: config
|
||
};
|
||
reject(err);
|
||
next = false;
|
||
};
|
||
|
||
const handleRe = {...this.requestBeforeFun(pubConfig, cancel)};
|
||
const _config = {
|
||
url: Request.mergeUrl(handleRe.url, handleRe.baseUrl, handleRe.params),
|
||
// #ifdef MP-ALIPAY
|
||
fileType: handleRe.fileType,
|
||
// #endif
|
||
filePath: handleRe.filePath,
|
||
name: handleRe.name,
|
||
header: handleRe.header,
|
||
formData: handleRe.formData,
|
||
complete: response => {
|
||
response.config = handleRe;
|
||
|
||
if (typeof response.data === 'string') {
|
||
response.data = JSON.parse(response.data);
|
||
}
|
||
if (this.validateStatus(response.statusCode)) {
|
||
// 成功
|
||
response = this.requestComFun(response);
|
||
resolve(response);
|
||
} else {
|
||
response = this.requestComFail(response);
|
||
reject(response);
|
||
}
|
||
}
|
||
};
|
||
// #ifdef APP-PLUS
|
||
if (handleRe.files) {
|
||
_config.files = handleRe.files;
|
||
}
|
||
// #endif
|
||
if (!next) return;
|
||
const requestTask = uni.uploadFile(_config);
|
||
if (handleRe.getTask) {
|
||
handleRe.getTask(requestTask, handleRe);
|
||
}
|
||
});
|
||
}
|
||
|
||
download(url, options = {}) {
|
||
return new Promise((resolve, reject) => {
|
||
let next = true;
|
||
const pubConfig = {
|
||
baseUrl: this.config.baseUrl,
|
||
url,
|
||
method: 'DOWNLOAD',
|
||
header: options.header || this.config.header,
|
||
params: options.params || {},
|
||
custom: {...this.config.custom, ...(options.custom || {})},
|
||
getTask: options.getTask || this.config.getTask
|
||
};
|
||
const cancel = (t = 'handle cancel', config = pubConfig) => {
|
||
const err = {
|
||
errMsg: t,
|
||
config: config
|
||
};
|
||
reject(err);
|
||
next = false;
|
||
};
|
||
|
||
const handleRe = {...this.requestBeforeFun(pubConfig, cancel)};
|
||
if (!next) return;
|
||
const requestTask = uni.downloadFile({
|
||
url: Request.mergeUrl(handleRe.url, handleRe.baseUrl, handleRe.params),
|
||
header: handleRe.header,
|
||
complete: response => {
|
||
response.config = handleRe;
|
||
if (this.validateStatus(response.statusCode)) {
|
||
// 成功
|
||
response = this.requestComFun(response);
|
||
resolve(response);
|
||
} else {
|
||
response = this.requestComFail(response);
|
||
reject(response);
|
||
}
|
||
}
|
||
});
|
||
if (handleRe.getTask) {
|
||
handleRe.getTask(requestTask, handleRe);
|
||
}
|
||
});
|
||
}
|
||
}
|
||
/**
|
||
* setConfig回调
|
||
* @return {Object} - 返回操作后的config
|
||
* @callback Request~setConfigCallback
|
||
* @param {Object} config - 全局默认config
|
||
*/
|
||
/**
|
||
* 请求拦截器回调
|
||
* @return {Object} - 返回操作后的config
|
||
* @callback Request~requestCallback
|
||
* @param {Object} config - 全局config
|
||
* @param {Function} [cancel] - 取消请求钩子，调用会取消本次请求
|
||
*/
|
||
/**
|
||
* 响应拦截器回调
|
||
* @return {Object} - 返回操作后的response
|
||
* @callback Request~responseCallback
|
||
* @param {Object} response - 请求结果 response
|
||
*/
|
||
/**
|
||
* 响应错误拦截器回调
|
||
* @return {Object} - 返回操作后的response
|
||
* @callback Request~responseErrCallback
|
||
* @param {Object} response - 请求结果 response
|
||
*/
|