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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
% X$ K" M7 {/ D, J( g: Q, y8 J if <condition> then
7 @1 Z" \9 \9 ~% T8 f <statement sequence1>;3 F* u& T) j& A( W$ S
elseif <condition> then6 ~! N% L% |) v ?# e$ ^
<statement sequence2>;
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<statement sequence3>;
3 w( p" S, L1 d! u! S+ y: m end;
; m0 z6 R7 y5 C, f. Y如果分支比较多，用：# C2 u6 d8 V8 A
inspect <expression>5 c+ ~9 M; n! k5 E* k
when <constant_list> then( z% q) n& _: l2 q/ c
<statement sequence1>;7 Z% @1 X1 x# u7 y" K
when <constant_list> then
1 e0 y9 f5 f: G+ w& p7 [ <statement sequence2>;! G( H I: P. b) _- K
...
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<statement sequence3>;. x0 L1 b$ B/ y8 p/ y% j% _ J
end;
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2循环语句
- b" P0 u5 M, e% l (1) from <statement sequence1>
2 J, s0 I. B G& M# ] until <condition> loop/ N6 j3 l6 B5 [1 ~* h0 O2 x, y
<statement sequence2>;
% B1 Q& ]6 z- \# v, N( k% { end;
! l7 J- y' o' E, Z6 W: e5 h (2) while <condition> loop
- k' ]! X8 E' T! R <statement sequence1>;
# p8 s" F. D! P end;
. J# [! }8 J2 n (3) repeat Z7 M7 E" u8 y. z x. W( `/ F$ R
<statement sequence1>;$ A* g5 D1 D1 c7 l
until <condition>;7 ]/ P( K% v2 J9 d0 K. v) [ J
(4) for <condition> to <condition> loop
( }) I( J4 g7 S' I: M. ^& E <statement sequence1>;
% [) V6 J6 b4 H next;
5 z' {9 F* p H- h5 R3中断语句
6 x5 K; `. O- `: } waituntil <condition> prio <integer expression>;4 ]& k1 [7 C6 m" h0 t2 Y$ K: Q: z
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& }9 t1 v1 J# d. n/ s& h以上为常用的函数！; B9 P! r5 f$ _: H# x3 q7 ^' V$ I
还有很多，如有需要我把资料发到你邮箱里 : w/ |( x4 x w
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