tsp-component/lib/ajax/index.js

提供多端和react版本的UI组件

import { urlEncode } from '../util/router';
function ajax(cfg) {
    var method = (cfg.type || 'POST').toUpperCase();
    var data = cfg.contentType !== 'application/json' || method === 'GET' ? urlEncode(cfg.data) : JSON.stringify(cfg.data);
    var url = method === 'GET' && data ? cfg.url + '?' + data : cfg.url;
    var async = !cfg.sync;
    var dataType = cfg.dataType ? cfg.dataType : 'json';
    var xhr = new XMLHttpRequest();
    xhr['url'] = url;
    xhr.timeout = cfg.timeout ? cfg.timeout : 15000;
    if (cfg.onTimeout) {
        xhr.ontimeout = cfg.onTimeout;
    }
    if (cfg.onProgress) {
        this.xhr.upload.onprogress = function (e) {
            if (e.lengthComputable) {
                cfg.onProgress(e.loaded, e.total);
            }
        };
    }
    xhr.onreadystatechange = function () {
        if (xhr.readyState === 4) {
            var status_1 = xhr.status;
            var xhrdata = void 0;
            if ((status_1 >= 200 && status_1 < 300) || status_1 === 304) {
                switch (dataType.toLowerCase()) {
                    case 'xml':
                        xhrdata = xhr.responseXML;
                        break;
                    case 'json':
                        xhrdata = JSON && JSON.parse ? JSON.parse(xhr.responseText) : eval('(' + xhr.responseText + ')');
                        break;
                    default:
                        xhrdata = xhr.responseText;
                }
                if (cfg.success) {
                    cfg.success(xhrdata, xhr);
                }
            }
            else {
                if (cfg.error) {
                    cfg.error(xhr);
                }
            }
            if (cfg.complete) {
                cfg.complete(xhr);
            }
        }
    };
    xhr.open(method, url, async);
    if (method === 'GET') {
        xhr.setRequestHeader('Content-type', 'text/plain; charset=UTF-8');
    }
    else {
        var header = cfg.contentType ? cfg.contentType : 'application/x-www-form-urlencoded; charset=UTF-8';
        if (cfg.customHeader) {
            Object.keys(cfg.customHeader).forEach(function (value) {
                xhr.setRequestHeader(value, cfg.customHeader[value]);
            });
        }
        xhr.setRequestHeader('Content-type', header);
    }
    xhr.send(data);
    return xhr;
}
export default ajax;