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发表于 2012-11-13 08:48:12
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1判断语句+ C) ]. J0 M2 s6 c
if <condition> then
1 h, A. P( Q. U+ _ <statement sequence1>;4 m- C8 `) { D1 Z5 ]
elseif <condition> then
1 E% ^+ S' Y* d( M! Q <statement sequence2>;
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<statement sequence3>;5 ]. r" d: B1 |; D; o. S
end;( D- h. u% ]+ Z( Q# W# Q: x4 h$ S5 F
如果分支比较多，用：. [7 h5 l" y9 ]9 C8 | O- X
inspect <expression>4 N, U' d4 L2 T3 Y( }
when <constant_list> then
\( J Q! o+ x g/ R2 w4 t% f2 B: W, c <statement sequence1>;5 h7 d; T1 A0 }; L
when <constant_list> then
6 t" o* Z, t+ \' H" y <statement sequence2>;9 j* l# c: z* b
...* ~3 O2 V' z4 K/ U# _6 X
else
. a9 A0 |" T- g! Z2 W- f3 r <statement sequence3>; l, {8 l) F& K/ G/ i Q
end;- K) \, Q5 X5 Q
, X6 V: k, a- }" y% j$ t2循环语句
" c# \6 S. t1 v+ ^' k5 H (1) from <statement sequence1>. c% z" @, C% A* w
until <condition> loop% H" B& O1 }4 K1 T1 l3 Z3 e" q
<statement sequence2>;/ U2 M7 f2 j* h7 X# k- c
end;
/ U! k+ ~8 h% d9 {4 ]" ?8 Y3 w: S (2) while <condition> loop( H& d+ v7 a, ^$ F: r
<statement sequence1>;. }) q9 I1 [$ Y2 _
end;
% k& j+ V" P) p0 ~ @' I' J (3) repeat / q0 [$ y2 P& F
<statement sequence1>;
/ `4 {8 d8 o( j1 `3 C; X until <condition>;0 P% S! B; D8 q$ J5 f' ?/ C" F9 R2 O
(4) for <condition> to <condition> loop
) C, D9 k( F& b# S <statement sequence1>;
, s1 s% P( ?8 b" [ next;
7 d. N& }6 V5 D8 H! T8 z7 r0 G2 {3中断语句$ X: ], N, t( U3 ^
waituntil <condition> prio <integer expression>;" O. Q( t: E8 |7 ^9 U$ p7 S' W; ^
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* ^/ d" ?% K9 g3 B# `以上为常用的函数！
Z |8 k% M) V. t6 }" B还有很多，如有需要我把资料发到你邮箱里 2 I9 [6 }& s$ a
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