Read the full article at: Remove WordPress Admin BarCSS A version or two back, WordPress decided to add a toolbar for logged in users on the display side thats about the sites theme. ?I get why they did it but its an annoyance to me I dont
网上也有解决方案 有的有瑕疵 有的较复杂（mysql没有分析函数，可以使用变量实现） select sumScoreValue,studentid,studentName from sc_studentb, ( select sum (scoreValue) as sumScoreValue,studentid from sc_score group by studentid order by sumSc
