本章主要讲actions中的控制语句,和C语言的控制语句类似。
1.选择语句
if (condition)
then-body
else
else-body
2.循环语句之while:
while (condition)
body
3.循环语句之do-while:
do
body
while (condition)
4.循环语句之for:
for (initialization; condition; increment)
body
for (i in array)
{ body}
5.循环语句之switch:
switch (expression) {
case value or regular expression:
case-body
default:
default-body
}
6.循环语句之continue,break
continue 继续下一个循环
break 跳出当前循环