java和python哪個(gè)好 PHP實(shí)現(xiàn)數(shù)據(jù)庫統(tǒng)計(jì)時(shí)間戳按天分組輸出數(shù)據(jù)的方法?
PHP實(shí)現(xiàn)數(shù)據(jù)庫統(tǒng)計(jì)時(shí)間戳按天分組輸出數(shù)據(jù)的方法?首先獲取當(dāng)前時(shí)間戳,然后獲取數(shù)據(jù)庫中的時(shí)間戳>;當(dāng)前時(shí)間戳-3*24*3600$time=time()-3*24*3600//如果數(shù)據(jù)庫中的時(shí)間戳
PHP實(shí)現(xiàn)數(shù)據(jù)庫統(tǒng)計(jì)時(shí)間戳按天分組輸出數(shù)據(jù)的方法?
首先獲取當(dāng)前時(shí)間戳,然后獲取數(shù)據(jù)庫中的時(shí)間戳>;當(dāng)前時(shí)間戳-3*24*3600
$time=time()-3*24*3600//如果數(shù)據(jù)庫中的時(shí)間戳大于此值,$SQL=“select name from tablename where passtime>$time”//在三天內(nèi)查詢name的值