saas-platform/frontend/operation-web/overrides/data/Connection.js

/**
 * 在 ajax request 前修改url，增加服务端`basePath`
 * `basePath`在`app.json`配置
 */
Ext.define('saas.override.data.Connection', {
    override: 'Ext.data.Connection',
 
    urlRegexp: /(http|ftp|https):\/\//,

    config: {
        /**
         * @cfg {Object} defaultServerHeaders
         * 与defaultHeaders有区别，只在调用server api的时候才添加的headers
         */
        defaultServerHeaders: null
    },

    privates: {
        parseBasePath: function(basePath) {
            if (Ext.isObject(basePath)) {
                var protocol = window.location.protocol.split(":")[0];
                if (protocol === 'file') {
                    protocol = 'https';
                }
                return basePath[protocol];
            }
            return basePath;
        },
        setupServerOptions: function(options) {
            var serverOptions = Ext.manifest.server, originUrl = options.url;
            if (serverOptions && serverOptions.basePath && !this.urlRegexp.test(originUrl) &&
              (!serverOptions.urlPattern || new RegExp(serverOptions.urlPattern).test(originUrl))) {
                Ext.Object.merge(options, {
                    url: this.parseBasePath(serverOptions.basePath)
                        + (originUrl.indexOf('/') == 0 ? '' : '/') + originUrl,
                    headers: this.getDefaultServerHeaders() || {}
                });
            }
        }
    },

    request: function(options) {
        if (options && options.url) {
            this.setupServerOptions(options);
        }
        return this.callParent([options]);
    },
    onRequestComplete: function(request) {
        let headers = request.result.getAllResponseHeaders() || {},
        Authorization = headers['authorization'],
        result = request.result,
        res;

        try{
            res = JSON.parse(result.responseText);
        }catch(e) {
            res = result.responseJson
            // console.error(e);
        }

        if(res && res.code == 40001) {
            // 如果token超时则显示重新登陆弹窗
            saas.util.BaseUtil.showLoginWin();
            throw new Error('会话已过期');
        }

        if(Authorization) {
            // 如果返回了token则刷新token
            let headers = Ext.Ajax.getDefaultHeaders() || {};
            let session = saas.util.State.get('session');
            
            headers['Authorization'] = Authorization;
            Ext.Ajax.setDefaultHeaders(headers);

            session.token = Authorization;
            session.timestamp = Ext.now();

            saas.util.State.set('session', session);

            let sessionStr = JSON.stringify(session.data);
            const frame = window.frames[window.frames.length - 1];
            frame.postMessage(sessionStr, '*');
        }
    },

 });