$params = $this->request->post('params');
var_dump($params);echo "<hr/>";
$p = json_decode($params,true);
var_dump($p);exit;奇怪，结果是string(203) "{"columns":{"content":{"name":"content","type":"String"},"id":{"name":"id","type":"String"}}}"
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NULL为什么是null，哪不对么？ 最佳答案
