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发表于 2012-11-13 08:48:12
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1判断语句
# E% @6 T" H, t if <condition> then
. ?+ E5 ~3 \% {, [8 x0 g <statement sequence1>;
! u5 H* I7 k' v, x" P5 S elseif <condition> then* Q3 o; o* t' r/ b
<statement sequence2>;! p3 r N6 y+ K/ @1 ?( T9 ?2 d
else
( E( J# K3 k, A4 ? o <statement sequence3>;6 R5 |' s# y8 {. R
end;$ C" }6 a5 W3 g1 R( ?+ v
如果分支比较多，用：
1 i% N9 }6 p3 \2 x2 \) [5 R" `( \ inspect <expression>
; B0 q& { j. o when <constant_list> then
5 q. b) l( Q: p0 o E N* M# o <statement sequence1>;8 y* S) b1 v J# ]! Q1 C
when <constant_list> then
4 W7 f3 E5 S0 ^7 D: I! D <statement sequence2>;2 x* I' I3 i' ]0 j- _6 L9 v
...
G5 o2 l4 o7 L( b( l else
% U" `; F, d, z4 A <statement sequence3>;( z4 u9 O( D6 H# M& v t# f
end;
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& F$ S. v) @1 \( w; C6 Z" S2循环语句
5 J. j. s [6 j- R (1) from <statement sequence1>2 M( v8 d. M5 L& }
until <condition> loop5 q* Q, o# U" E) A6 g4 [+ G
<statement sequence2>;3 Q6 m! \# l' J' b$ [4 v
end;
9 Z' t' R: g9 a1 k# d9 |5 H (2) while <condition> loop' i: X/ M- I$ O# t& b
<statement sequence1>;) k7 s2 ?$ c+ f V2 n" q0 ?) f
end;5 l, {* _" i4 `. k( r& k
(3) repeat % q, ^6 \7 ^% Y' J& ~3 q8 S6 W
<statement sequence1>;
$ |* z7 N( v& g1 ~ until <condition>;7 ]+ j; K6 F( ?1 _9 f: T2 I
(4) for <condition> to <condition> loop
) F, b7 ^% r3 x$ W; O <statement sequence1>;# `9 N. \2 l+ d
next;
$ \' i$ } N M. x1 V8 t" x3中断语句* ]0 a: i ~2 s0 k9 s9 m5 [
waituntil <condition> prio <integer expression>;
; U9 d; A$ e! D' H+ F3 _1 M0 Q6 }: T7 U3 c. ]
9 ~6 O/ p: _: o6 ?以上为常用的函数！( s' ?: D$ m: F" u
还有很多，如有需要我把资料发到你邮箱里
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