diancan_uni/utils/wxRequest.js

import './wxPromise.js'; // loading配置,请求次数统计

function startLoading() {
    uni.showLoading({
        title: '',
        mask: true
    });
}

function endLoading() {
    uni.hideLoading();
}

function showFullScreenLoading() {
    if (getApp().globalData.loadingCount == 0) {
        startLoading();
    }

    getApp().globalData.loadingCount++;
}

function tryHideFullScreenLoading() {
    if (getApp().globalData.loadingCount <= 0) {
        return;
    }

    getApp().globalData.loadingCount--;

    if (getApp().globalData.loadingCount == 0) {
        // console.log('结束..')
        endLoading();
    }
} // 请求

function wxRequest(url, type, data, nextInvoke) {
    var res = {};
    return new Promise(function (resolve, reject) {
        data.token = getApp().globalData.token;
        realRequest(url, type, data, nextInvoke).then(
            (res) => {
                // console.log(res);
                resolve(res);
            },
            (e) => {
                reject(e);
            }
        );
    });
}

function realRequest(url, type, data, nextInvoke) {
    showFullScreenLoading();

    if (nextInvoke) {
        getApp().globalData.loadingCount = 2;
    } // console.log('loadingCount',getApp().globalData.loadingCount)

    return new Promise(function (resolve, reject) {
        uni.pro
            .request({
                url: getApp().globalData.api + url,
                method: type,
                data: data
            })
            .then((res) => {
                tryHideFullScreenLoading();
                var res = res.data; // console.log(res);

                if (res.code == 200) {
                    // console.log(res.result)
                    resolve(res);
                } // 逻辑报错
                else if (res.code == 204) {
                    reject(res.msg);
                } // token失效
                else if (res.code == 401) {
                    getApp().globalData.userInfo = null;
                    getApp().globalData.token = null; // token报错，跳转到登录页面

                    uni.pro.redirectTo({
                        url: '/pages/login/index/index'
                    });
                    reject(res.msg);
                }

                reject(res.msg);
            })
            .catch((err) => {
                // 接口连续调用时报错,需主动关闭
                if (nextInvoke) {
                    getApp().globalData.loadingCount = 1;
                    tryHideFullScreenLoading();
                } else {
                    // 正常 非连续调用
                    tryHideFullScreenLoading();
                }

                console.log(err);
                reject('网络异常,请稍后再试');
            });
    });
}

exports.wxRequest = wxRequest;