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select * from tbl_user a where(select count(1) as cnt from tbl_order b where a.phone=b.phone)=0 阅读全文
posted @ 2019-05-14 14:26
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摘要:
$pinyin = pinyin('中华人民共和国'); echo $pinyin; 输出 zhonghuarenmingongheguo 阅读全文
posted @ 2019-05-14 14:20
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