post.js

function post(opts, data, sucFn, errFn, type) {

        var postDataStr = JSON.stringify(data);
        console.log('=== postDataStr ===', postDataStr);

        var optsPost = {
            hostname: opts.host,
            port: opts.port ? opts.port : 80,
            path: opts.path,
            method: (type || 'POST'),
            headers: {
                'Content-Type': 'application/x-www-form-urlencoded',
                'Content-Length': postDataStr.length
            },
            body: postDataStr
        };
        console.log(optsPost);

        let reqPost = http.request(optsPost, function (resPost) {
            resPost.setEncoding('utf8');
            let rawData = '';

            resPost.on('data', chunk => {
                console.log(`BODY: ${chunk}`);
                if (typeof chunk === 'object') {
                    chunk = JSON.stringify(chunk);
                }
                rawData += chunk;
            });
            resPost.on('end', () => {

                console.log('== rawData ==', rawData);

                try {
                    rawData = (typeof rawData === 'string') ? JSON.parse(rawData) : rawData;
                    if (rawData.status === 0 || rawData.errno === 0 || rawData.code === 1000) {
                        sucFn && sucFn(rawData.data);
                    } else {
                        errFn && errFn('操作失败');
                    }
                } catch (e) {
                    errFn && errFn('结果返回错误');
                }

                console.log('No more data in response.');
            });
        });

        reqPost.on('error', function (e) {

            errFn && errFn(e);
            console.log(`problem with request: ${e.message}`);

        });

        // 发送REST请求时传入JSON数据
        reqPost.write(postDataStr);
        reqPost.end();

    },