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发表于 2012-11-13 08:48:12
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1判断语句+ C+ W% w0 O$ M' n
if <condition> then
( s+ U( m3 n, V0 T8 f <statement sequence1>; {$ [3 F! [ {' m
elseif <condition> then: I, N6 z; @+ v) c
<statement sequence2>;
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# n! l' D0 M+ V/ l' l( ^$ m% f <statement sequence3>;3 r5 i& s* c$ M8 D& J- c7 m
end;! ]4 `1 v" P$ Z$ Z! t
如果分支比较多，用：
L" F. Q# A; w4 l inspect <expression>+ D/ E1 U7 y# t& X5 f
when <constant_list> then# s, [; M3 ?- g- c% Y# G4 m
<statement sequence1>;# c+ E# ^- Z, y/ c' t
when <constant_list> then
/ l8 E7 Y" q( X& z <statement sequence2>;* i: K% l# Q, z2 S8 `$ W) b& {
...
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<statement sequence3>;
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2循环语句
. j" W, r/ R% S3 c) k$ D (1) from <statement sequence1># e6 h, A, [$ C5 F" H4 J& ?: Q
until <condition> loop; _' R) K) m% E$ Q/ ~4 x
<statement sequence2>;
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(2) while <condition> loop9 ]/ N' ~; Y( ?0 r" E2 i! V
<statement sequence1>;( ?5 ?; y4 ]5 E# `
end;
0 C6 w: O6 j- v) Q; U5 G$ J! C, Z (3) repeat
/ p& M. y' c8 Y' U/ U( F <statement sequence1>;) a' B: B5 w) A5 Y
until <condition>;" |4 W. S& E! O7 }
(4) for <condition> to <condition> loop+ p; O/ y8 G" p! M! y" q) A
<statement sequence1>;
d& J( V9 x$ [. V) @ next;
+ R& D- p1 f/ ?2 }) e9 @+ F/ Y3中断语句
/ T$ I5 d9 O; M6 q$ R waituntil <condition> prio <integer expression>;) \1 G+ y/ s! M1 h7 H) U: N
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以上为常用的函数！0 T1 A4 v1 g7 V @1 x- z2 g" M$ K
还有很多，如有需要我把资料发到你邮箱里
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