php$price=rand(10,100);echo"{ \"name\": \"铜\", \"price\": \"".$price."\", \"diff\": \"++146\", \"diffRate\": \"++0.37%\", \"jk\": \"39487\", \"zk\": \"39445\", \"zg\": \"39977\", \"zd\": \"39127\", \"class\": \"39591\"}";>
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