uni-app小程序开发-接口请求

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uni-app小程序开发-接口请求

前言

https://uniapp.dcloud.net.cn/api/

封装

工具类

/utils/http.js

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class Request {
	constructor(options = {}) {
		// 请求的根路径
		this.baseUrl = options.baseUrl || ''
		// 请求的 url 地址
		this.url = options.url || ''
		// 请求方式
		this.method = 'GET'
		// 请求的参数对象
		this.data = null
		// header 请求头
		this.header = options.header || {}
		this.beforeRequest = null
		this.afterRequest = null
	}

	// 添加对header的支持
	_mergeHeaders(customHeader = {}) {
		return Object.assign({}, this.header, customHeader); // 合并默认header和自定义header
	}

	get(url, data = {}) {
		this.method = 'GET'
		this.url = this.baseUrl + url
		this.data = data
		return this._()
	}

	post(url, data = {}, header = {}) {
		this.method = 'POST'
		this.url = this.baseUrl + url
		this.data = data
		this.header = this._mergeHeaders(header) // 合并header
		return this._()
	}

	put(url, data = {}) {
		this.method = 'PUT'
		this.url = this.baseUrl + url
		this.data = data
		return this._()
	}

	delete(url, data = {}) {
		this.method = 'DELETE'
		this.url = this.baseUrl + url
		this.data = data
		return this._()
	}

	_() {
		// 清空 header 对象
		this.header = {}
		// 请求之前做一些事
		this.beforeRequest && typeof this.beforeRequest === 'function' && this.beforeRequest(this)
		// 发起请求
		return new Promise((resolve, reject) => {
			uni.request({
				url: this.url,
				method: this.method,
				data: this.data,
				header: this.header,
				success: (res) => {
					if (res.statusCode == 200) {
						resolve(res.data)
					} else {
						resolve({
							code: 1,
							msg: "请求失败"
						});
					}
				},
				fail: (err) => {
					resolve({
						code: 1,
						msg: "请求失败"

					});
				},
				complete: (res) => {
					// 请求完成以后做一些事情
					this.afterRequest && typeof this.afterRequest === 'function' && this
						.afterRequest(res)
				}
			})
		})
	}
}

export const $http = new Request()

引用

main.js中添加

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import {
	$http
} from './utils/http.js'
uni.$http = $http
// 配置请求根路径
$http.baseUrl = 'https://api.psvmc.cn/'
// 请求开始之前做一些事情
$http.beforeRequest = function(options) {
	uni.showLoading({
		title: '数据加载中...',
	})
}

// 请求完成之后做一些事情
$http.afterRequest = function() {
	uni.hideLoading()
}

调用

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async getStatusInfo() {
  const result = await uni.$http.get('/status/info');
  console.log(result);
},

或者

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async getStatusInfo() {
  const result = await uni.$http.post('/status/info',{name:'psvmc'});
  console.log(result);
},