src/main/java/me/codeboy/common/base/net/core/CBConnection.java
protected CBConnection resetSomeState() {
        url = null;
        followRedirects = CBDefaultConfig.FOLLOW_REDIRECTS;
        header.clear();
        data = null;
        if (!keepMethod) {
            method = CBDefaultConfig.METHOD;
        }
        if (!keepCharset) {
            charset = CBDefaultConfig.CHARSET;
        }
        return this;
    }
protected CBConnection resetSomeState() {
        url = null;
        followRedirects = CBDefaultConfig.FOLLOW_REDIRECTS;
        header.clear();
        data = null;
        if (!keepMethod) {
            method = CBDefaultConfig.METHOD;
        }
        if (!keepCharset) {
            charset = CBDefaultConfig.CHARSET;
        }
        return this;
    }
参数重置
其中timeout,cookie,keepSession不进行重置

@return 连接