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| export default class request { constructor(options) { this.baseUrl = options.baseUrl || ""; this.fileUrl = options.fileUrl || ""; this.header = options.header || {}; this.config = { isPrompt: options.isPrompt === false ? false : true, load: options.load === false ? false : true, isFactory: options.isFactory === false ? false : true, loadMore: options.loadMore === false ? false : true }; }
getDefault(data, options = {}) { let urlType = /^([hH][tT]{2}[pP]:\/\/|[hH][tT]{2}[pP][sS]:\/\/)(([A-Za-z0-9-~]+).)+([A-Za-z0-9-~/])+$/.test(data.url); let config = Object.assign({}, this.config, options, data); if (data.method == "FILE") { config.url = urlType ? data.url : this.fileUrl + data.url; } else { config.url = urlType ? data.url : this.baseUrl + data.url; } if (options.header) { config.header = Object.assign({}, this.header, options.header); } else if (data.header) { config.header = Object.assign({}, this.header, data.header); } else { config.header = this.header; } return config; }
post(url = '', data = {}, options = {}) { return this.request({ method: "POST", data: data, url: url, ...options }); }
get(url = '', data = {}, options = {}) { return this.request({ method: "GET", data: data, url: url, ...options }); }
put(url = '', data = {}, options = {}) { return this.request({ method: "PUT", data: data, url: url, ...options }); }
delete(url = '', data = {}, options = {}) { return this.request({ method: "DELETE", data: data, url: url, ...options }); }
request(data) { return new Promise((resolve, reject) => { if (!data.url) { console.log("request缺失数据url"); reject({ errMsg: "缺失数据url", statusCode: 0 }); return; } let requestInfo = this.getDefault(data); if (this.requestStart) { let requestStart = this.requestStart(requestInfo); if (typeof requestStart == "object") { requestInfo.data = requestStart.data; requestInfo.header = requestStart.header; requestInfo.isPrompt = requestStart.isPrompt; requestInfo.load = requestStart.load; requestInfo.isFactory = requestStart.isFactory; } else { _this.requestEnd && _this.requestEnd(requestInfo, { errMsg: "请求开始拦截器未通过", statusCode: 0 }); reject({ errMsg: "请求开始拦截器未通过", statusCode: 0 }); return; } } let requestData = { url: requestInfo.url, header: requestInfo.header, success: (res) => { this.requestEnd && this.requestEnd(requestInfo, res); if (requestInfo.isFactory && this.dataFactory) { this.dataFactory({ ...requestInfo, response: res, resolve: resolve, reject: reject }); } else { resolve(res); } }, fail: (err) => { console.log("err"); this.requestEnd && this.requestEnd(requestInfo, err); reject(err); } }; if (requestInfo.method) { requestData.method = requestInfo.method; } if (requestInfo.data) { requestData.data = requestInfo.data; } if (requestInfo.timeout) { requestData.timeout = requestInfo.timeout; } if (requestInfo.dataType) { requestData.dataType = requestInfo.dataType; } if (requestInfo.responseType) { requestData.responseType = requestInfo.responseType; } if (requestInfo.withCredentials) { requestData.withCredentials = requestInfo.withCredentials; } uni.request(requestData); }); } jsonp(url = '', data = {}, options = {}) { let requestInfo = this.getDefault({ method: "JSONP", data: data, url: url, }, options); let dataStr = ''; Object.keys(data).forEach(key => { dataStr += key + '=' + data[key] + '&'; }); if (dataStr !== '') { dataStr = dataStr.substr(0, dataStr.lastIndexOf('&')); } requestInfo.url = requestInfo.url + '?' + dataStr; const _this = this; return new Promise((resolve, reject) => { let callbackName = "callback" + Math.ceil(Math.random() * 1000000); if (_this.requestStart) { requestInfo.data = data; let requestStart = _this.requestStart(requestInfo); if (typeof requestStart == "object") { requestInfo.data = requestStart.data; requestInfo.header = requestStart.header; requestInfo.isPrompt = requestStart.isPrompt; requestInfo.load = requestStart.load; requestInfo.isFactory = requestStart.isFactory; } else { _this.requestEnd && _this.requestEnd(requestInfo, { errMsg: "请求开始拦截器未通过", statusCode: 0 }); reject({ errMsg: "请求开始拦截器未通过", statusCode: 0 }); return; } } window[callbackName] = function(data) { resolve(data); } let script = document.createElement("script"); script.src = requestInfo.url + "&callback=" + callbackName; document.head.appendChild(script); document.head.removeChild(script); _this.requestEnd && _this.requestEnd(requestInfo, { errMsg: "request:ok", statusCode: 200 }); }); } }
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