namespace 打印乘法口诀{ class Program { static void Main(string[] args) { for (int i = 1; i <=9; i++)//行数循环九次, { for (int j = 1; j<=i; j++)//当i等于1的时候,j等于1, { Consol
select t2.* from --两层嵌套 (select t.* , rownum as row_numfrom t where rownum <=20) t2 where t2.row_num > 11 select t3.* from ( --三层嵌套select t2.*, rownum as row_num from (select * from t) t2 where rownum<=20) t3 where t2.row_num>11 两层嵌套 ==三
public int UpdateRegdate(tj_book_patient regdatejson) { int temp; SqlParameter[] ps = new SqlParameter[]{ //实体类的字段和存储过程的参数对齐 new SqlParameter("@reg_date",regdatejson.reg_date), new SqlParameter("@pat_code",regdatejson.pat_code), new Sq
跳出多层循环:三层循环,最里层直接跳出3层 方法一: 在Python中,函数运行到return这一句就会停止,因此可以利用这一特性,将功能写成函数,终止多重循环 def work(): #定义函数 for i in range(5): print("i=", i) for j in range(5): print("--j=", j) for k in range(5): if k<2: print("------>k=", k) e