const defaultOpts = {
    message: "",
    res: {},
    err: false,
    get isSuccess() {
		return !![0,1][~~(Math.random()*2)]
	},
	get duration() {
		return ~~(Math.random()*3000+500)
	}
}

export default function http(opts) {
	let realOpts = {}
	Object.keys(defaultOpts).forEach(v => {
		if (opts&&opts[v] != undefined) {
			realOpts[v] = opts[v]
		} else {
			realOpts[v] = defaultOpts[v]
		}
	})
    console.log('请等待'+realOpts.duration/1000+'s')
	return new Promise((resolve, reject) => {
		setTimeout(() => {
            if(realOpts.err){
                reject(new Error("diy message"));
            }
            if(realOpts.isSuccess){
                resolve({code: 1, message:realOpts.message, data: realOpts.res})
            }else{
                reject({code: 0,message:realOpts.message, data: realOpts.res})
            }
		}, realOpts.duration)
	})
}