[已解决]我在ubuntu14上有一个hbase 1.1.2独立安装，我需要通过rest服务器通过php post请求检索和更新数据（由于长度限制，我不能使用get）。我本来打算使用一个curl php对象，但我的问题是我不知道如何格式化请求（json或xml）以在post-at-rest服务器中提交。
有人能帮我吗？
谢谢
让我添加我想用于所有请求的对象：按键获取行和set\create row。我的问题是如何根据不同的操作生成$数据字段。

function method($method, $data=NULL, & $http_code, & $response)
{
    $ch = curl_init();

    if(isset($header))
    {
        curl_setop(CURLOPT_HTTPHEADER, $header);
    }

    curl_setopt($ch, CURLOPT_URL, "http://" . $GLOBALS['DBDW']['hostname'] . $GLOBALS['DBDW']['port']);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

    //nuovi
    curl_setopt($curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
    curl_setopt($curl, CURLOPT_HEADER, 1);
    curl_setopt($curl, CURLOPT_HTTPHEADER, array(
            'Content-Type: application/json',
            'Accept: application/json',
            'Connection: ' . ( $this->options['alive'] ? 'Keep-Alive' : 'Close' ),
    ));
    // fine nuovi

    switch(strtoupper($method)){
        case 'DELETE':
            curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'DELETE');
            // i have to set CURLOPT_POSTFIELDS and if yes how?             
            break;
        case 'POST':
            curl_setopt($curl, CURLOPT_POST, 1);
            curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
            // how setting CURLOPT_POSTFIELDS and if yes how?

            break;
        case 'GET':
            curl_setopt($curl, CURLOPT_HTTPGET, 1);
            // i have to set CURLOPT_POSTFIELDS and if yes how?
            break;
    }

    $response = curl_exec($ch);
    $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    $this->log(LOG_DEBUG, "HTTP code: " . $http_code, __FILE__, __LINE__, __CLASS__);

    $curl_errno = curl_errno($ch);
    $curl_error = curl_error($ch);

    curl_close($ch);

    if ($response === false)
    {
        $this->log(LOG_ERR, "HTTP " . $method . " failed on url '" . $url . "'", __FILE__, __LINE__, __CLASS__);
        $this->log(LOG_ERR, "cURL error: " . $curl_errno . ":" . $curl_error, __FILE__, __LINE__, __CLASS__);
        $http_code=ERR_COMMUNICATION_FAILED;
        return false;
    }

    return true;
}