select decode(to_char(last_day(trunc(sysdate,'y')+31),'dd'),'29','闰年','平年') from dual;№15:判断两年后是否为润年 select decode(to_char(last_day(trunc(add_months(sysdate,24),'y')+31),'dd'),'29','闰年','平年') from dual;№16:得到日
1.char类型的数据转换为int类型是按照码表中对应的int值进行计算的。比如在ASCII码表中,‘a’对应97。 int a = 'a'; System.out.println(a); //将输出97 1. 2. 2.整数默认是int类型,byte,short和char类型数据参与运算均会自动转换为int类型。 byte b1 = 10; byte b2 = 20; byte b3 = b1 + b2;...
[improvement][launcher]Use API to get element ID avoiding hard-code. 1113044 [fix][launcher]Fix mysql scripts. c80794e jerryjzhangmerged commite55f43cintotencentmusic:masterDec 8, 2024 6 of 12 checks passed iridescentpeoadded a commit to feelshana/supersonic that referenced this pull requestDec...