@Override
    public String toString() {
        return "Request{" +
                "url='" + url + '\'' +
                ", method='" + method + '\'' +
                ", extras=" + extras +
                ", priority=" + priority +
                ", headers=" + headers +
                ", cookies="+ cookies+
                '}';
    }
The http method of the request. Get for default.
@return httpMethod
@see us.codecraft.webmagic.utils.HttpConstant.Method
@since 0.5.0
webmagic-core/src/main/java/us/codecraft/webmagic/Request.java