Php 如何将JSON请求中的过滤器参数发送到HBase REST API?
我正在尝试开发一个PHP客户端来与HBase REST API交互。但我找不到使用JSON请求创建扫描程序的方法。我能找到的所有示例都使用XML格式。只是想知道是否可以使用JSON格式发送 下面的代码返回了错误消息: “HTTP/1.1 500无法反序列化START_数组令牌中的java.lang.String实例”Php 如何将JSON请求中的过滤器参数发送到HBase REST API?,php,json,rest,hadoop,hbase,Php,Json,Rest,Hadoop,Hbase,我正在尝试开发一个PHP客户端来与HBase REST API交互。但我找不到使用JSON请求创建扫描程序的方法。我能找到的所有示例都使用XML格式。只是想知道是否可以使用JSON格式发送 下面的代码返回了错误消息: “HTTP/1.1 500无法反序列化START_数组令牌中的java.lang.String实例” 我从别人的暗示中得到了答案: <?php $headers = array( 'Accept: application/json', 'Content-Ty
我从别人的暗示中得到了答案:
<?php
$headers = array(
'Accept: application/json',
'Content-Type: application/json',
);
if (!file_exists(__DIR__ . '/tmp')) {
mkdir(__DIR__ . '/tmp', 0777);
}
$scannerFile = __DIR__ . '/tmp/scanner';
if (!file_exists($scannerFile)) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "http://hbase_uri:20550/news/scanner");
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_GSSNEGOTIATE);
curl_setopt($ch, CURLOPT_USERPWD, ":");
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode(array(
'batch' => 10,
'filter' => json_encode(array(
'type' => 'PrefixFilter',
'value' => 'u123',
)),
)));
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_VERBOSE, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$page = curl_exec($ch);
file_put_contents($scannerFile, $page);
curl_close($ch);
} else {
$s = file_get_contents($scannerFile);
$parts = explode('Location: http://hbase_uri:20550/news/scanner/', $s);
$parts = explode("\n", $parts[1]);
$parts[0] = trim($parts[0]);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "http://hbase_uri:20550/news/scanner/" . $parts[0]);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_GSSNEGOTIATE);
curl_setopt($ch, CURLOPT_USERPWD, ":");
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_VERBOSE, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$page = curl_exec($ch);
file_put_contents(__DIR__ . '/tmp/result', $page);
curl_close($ch);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "http://hbase_uri:20550/news/scanner/" . $parts[0]);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_GSSNEGOTIATE);
curl_setopt($ch, CURLOPT_USERPWD, ":");
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'DELETE');
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_VERBOSE, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$page = curl_exec($ch);
file_put_contents(__DIR__ . '/tmp/result_delete', $page);
curl_close($ch);
}
供未来的访客使用。
使用@kiang answer,我成功制作了一个创建扫描仪的卷曲贴子:
curl \
--verbose \
--request POST \
--header 'Accept: application/json' \
--header 'Content-Type: application/json' \
--data '{"batch":10,"filter":"{\"type\":\"PrefixFilter\",\"value\":\"u123\"}"}' \
'https://hbase:20550/namespace:table/scanner/'
这又回来了
Location -> Buffer(https://hbase:20550/namespace:table/scanner/151302168977413777789)
...
AhcWSResponse(StandaloneAhcWSResponse(201, Created))
什么可能有用:
- 使用这些符号(您需要转义
“
符号)
- 寻找答案
Location -> Buffer(https://hbase:20550/namespace:table/scanner/151302168977413777789)
...
AhcWSResponse(StandaloneAhcWSResponse(201, Created))