exam/exam-06173-uni/common/request.js

// API配置信息
import urls from '../common/config.js'

/**
 * 构建完整请求URL
 * @param {Object} path
 */
function buildUrl(path) {

	// 完整接口地址返回
	if (path.startsWith('http://') || path.startsWith('https://')) {
		return path;
	}

	return urls.api + path;
}

/**
 * 通用请求封装
 * @param {Object} path
 * @param {Object} data
 */
function postData(path, data) {

	// 构建完整请求
	const url = buildUrl(path)

	return new Promise((resolve, reject) => {

		uni.request({
			url: url,
			data: data,
			method: "POST",
			header: {
				'content-type': "application/json",
				'token': uni.getStorageSync("token")
			},
			success: function(res) {
				// 错误500
				if (res.statusCode == 500) {
					uni.showToast({
						title: '糟糕，服务器开小差了~',
						icon: 'none',
						duration: 5000
					});
					return;
				}

				// 404
				if (res.statusCode == 404) {
					uni.showToast({
						title: '接口地址404，请联系管理员~',
						icon: 'none',
						duration: 5000
					});
					return;
				}


				// 成功才回调
				if (res.data.code === 0) {
					resolve(res.data.data);
				} else {

					// 后台错误信息
					uni.showToast({
						title: res.data.msg,
						icon: 'none',
						duration: 3000
					});


					if (res.data.code === 10010002) {
						// 跳转到登录
						uni.navigateTo({
							url: '/pages/login/login'
						});
						return;
					}

					reject(res.data)

				}
			},
			fail: function(e) {
				uni.showToast({
					title: '啊哦，与服务器失去连接了~',
					icon: 'none',
					duration: 10000
				});
			}
		});
	});
}

/**
 * 文件上传
 * @param {Object} url
 * @param {Object} file
 * @param {Object} data
 */
function uploadData(path, file, formData) {

	// 构建完整请求地址
	let url = buildUrl(path)
	
	
	uni.showLoading({
		title: '正在上传...'
	})
	
	// 兼容chooseMedia
	const filePath = file.path || file.tempFilePath
	
	return new Promise((resolve, reject) => {
		uni.uploadFile({
			url: url,
			filePath: filePath,
			name: 'file',			
			header: {
				'token': uni.getStorageSync("token")
			},
			formData: formData,
			success: res => {
				let data = {}
				if (res.data) {
					data = JSON.parse(res.data)
				}
				resolve(data);
				uni.hideLoading()
			},
			fail: err => {
				reject()
				uni.hideLoading()
			}
		})
	});
}



module.exports = {
	post: postData,
	upload: uploadData
};