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发表于 2012-11-13 08:48:12
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1判断语句0 E( @* f$ F) u5 a0 A( M
if <condition> then' Z8 v1 T- W; ?& \3 f
<statement sequence1>;$ j6 G5 J/ X6 O2 X
elseif <condition> then. o$ j) ^8 M3 C$ @2 |7 L. K: ~# D
<statement sequence2>;9 O/ r% `. U5 ^ S% x3 x
else + D5 X) x) D2 [( K
<statement sequence3>;6 B9 `% z* W$ W) ?" T* Q+ j' s7 U
end;
" `3 M, l& H/ R# u, ?如果分支比较多，用：
5 R+ m: f( ] K- ]6 }9 N inspect <expression>. A, k9 _0 a/ h }& u5 A( L- H
when <constant_list> then6 N$ R% D+ k6 w4 c X6 H0 F
<statement sequence1>;
% Y/ r; k3 k3 \ i/ } when <constant_list> then9 k& n; E: l+ M
<statement sequence2>;: c( N, c3 U0 B* I# Q6 ?1 ?+ l; t
...
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<statement sequence3>;
: o$ a6 q& N0 C& Jend;
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2循环语句2 ?# n0 Z/ P* r. |
(1) from <statement sequence1>( }8 D$ {: o' J- N- x' v
until <condition> loop
. S% ^7 e# `6 f7 v* g. y <statement sequence2>;! V, d8 O" w [9 s+ }6 a
end;9 F" I- e$ R. g$ U+ D% [0 `6 G
(2) while <condition> loop
7 M' ~9 f1 g) w! ^' h; W! O, h <statement sequence1>;
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(3) repeat ' R. U) U }: `- k6 t6 ?
<statement sequence1>;7 |0 u; L! ~6 g: b
until <condition>;
' t, E: ~, p7 f" G (4) for <condition> to <condition> loop- l0 _, b. S% Z. A+ m# k! v D: x/ l
<statement sequence1>;1 s. @- S( B6 M7 R# I8 D3 K: F
next;9 w2 p6 d i. F( Z+ ^; K2 S
3中断语句$ f O; U K: C0 Q
waituntil <condition> prio <integer expression>;
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1 J: W! N$ R$ G6 K3 O6 P以上为常用的函数！2 F/ {' K' w( G- c! w% D
还有很多，如有需要我把资料发到你邮箱里
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