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发表于 2012-11-13 08:48:12
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1判断语句
; s/ K$ G$ V/ @! t- @ if <condition> then7 I3 f. \( ~$ d, n- b1 F+ }7 r# r% M
<statement sequence1>;
1 g& K) K Q; A J- ~1 A' C$ i elseif <condition> then
/ F" f1 G* v, e; X <statement sequence2>;: u1 H. C$ R& P( ]
else ! _, X' ?, g8 M$ }& T' H
<statement sequence3>;. @9 h- H9 M. E f
end;
+ b* T2 l, E1 \# S8 a2 ` y2 g如果分支比较多，用：6 b& f- O- g6 n4 D# i- D6 a
inspect <expression>
! m9 z# R* b1 J6 u6 l when <constant_list> then) @: b1 [9 I0 F; }
<statement sequence1>;; @- [; B( g$ q* u6 W& j9 O
when <constant_list> then
+ Q! W0 H; K) D1 _% f" H <statement sequence2>;7 o+ |2 N; u) y3 c
...
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<statement sequence3>;
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- x! h3 L K2 B3 G/ }( H2循环语句1 }! |9 S8 M% I. k
(1) from <statement sequence1>
- s: ~0 x8 P7 M( v+ Y until <condition> loop
4 X: p, C3 x8 Q& D7 Y <statement sequence2>;
5 q- G$ ^9 r2 i. n# `' U2 ~ end;
- n; a/ S. I7 q, t( X0 M2 a (2) while <condition> loop; y% V$ \" _3 Z8 r' D
<statement sequence1>;+ e- x7 t+ v) [. S% `
end;
( D7 e0 u0 X d7 c5 \2 Q (3) repeat " u6 Z* ]* n* @3 f, \1 Y; `4 z8 H
<statement sequence1>;4 D! j. W" w* Y/ N8 T- \; d% b' ] N
until <condition>;
6 t' ]; P r' U) q9 P$ e/ t9 e (4) for <condition> to <condition> loop0 q2 | V ?# Z
<statement sequence1>;# g/ @: \' E. I- v0 w1 @) @
next;" L% ?- k: p9 }% E$ ^
3中断语句
. f4 Q0 n$ P; h8 T5 y waituntil <condition> prio <integer expression>;
. q, S1 s* W |6 X, c" F- M; a* h
0 x0 U/ Z, n7 X
" U2 Z R. V$ |4 }0 b# W以上为常用的函数！
3 J5 l+ F, {, }' v" G! f还有很多，如有需要我把资料发到你邮箱里
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