http.req(url, params, cb)

-- GET请求
http.req("http://www.baidu.com/", nil, functon(ret, code, headers, body)
    log.info("http", ret, code, header, body)
end) 

http.get(url, params, cb)

-- GET请求
http.get("http://www.baidu.com/", nil, functon(ret, code, headers, body)
    log.info("http", ret, code, header, body)
end) 

http.post(url, params, cb)

-- POST请求
http.post("http://www.baidu.com/", {body=json.encode(data),headers=["Content-Type","application/json"]}, functon(ret, code, headers, body)
    log.info("http", ret, code, header, body)
end) 

http.put(url, params, cb)

-- PUT请求
http.put("http://www.baidu.com/", {body=json.encode(data),headers=["Content-Type","application/json"]}, functon(ret, code, headers, body)
    log.info("http", ret, code, header, body)
end) 

http.delete(url, params, cb)

-- DELETE请求
http.put("http://www.baidu.com/", nil, functon(ret, code, headers, body)
    log.info("http", ret, code, header, body)
end)