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发表于 2012-11-13 08:48:12
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1判断语句
# b+ J, y" s9 t Q g/ | if <condition> then
3 \7 V4 d/ ]; c1 u! k4 }; ? <statement sequence1>;, s w: ]) I$ K1 W8 L6 x
elseif <condition> then2 C: J) g2 y9 o+ s+ T. E3 _' n3 O
<statement sequence2>;( D4 U6 N+ y7 ^' q5 A# t# z! L1 h
else
' [8 j! J2 ^9 \ z2 Y <statement sequence3>;8 @) m# f9 W5 m
end;0 A8 X2 V; [0 L. v
如果分支比较多，用：! s' O, T5 F, I* c
inspect <expression>
! y$ U4 n$ J3 w2 l% v6 i when <constant_list> then
6 F4 k/ \7 F: D v5 \, j& a* P: j' w3 x b <statement sequence1>;
4 i$ H+ e& D& y9 }. N/ Z/ c. S8 q when <constant_list> then" W' H4 f. X! \; i% U/ y* d
<statement sequence2>;! j$ l& t3 e% ~3 H0 m# P
...
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<statement sequence3>;) C0 v' h T8 c& D
end;3 w- n) U, U2 X
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2循环语句8 q5 x3 I& }) U8 X. ^# z
(1) from <statement sequence1>7 `" N! q: ]$ m! O
until <condition> loop# n! A. d/ z% \
<statement sequence2>;( d2 ]/ Q8 V: w T4 }
end;
8 x9 v; [" j. V# L3 K7 w (2) while <condition> loop6 r# [8 p/ y# s
<statement sequence1>;
& M6 i/ Y F7 ]2 F, R9 V& W% w end;, ?/ C1 H. H9 f- ?$ }2 L' x$ g
(3) repeat
& q m8 g3 l- ] <statement sequence1>;& l; l3 B- _8 c0 n3 S7 c* ]: l
until <condition>; [) O4 v" \' d/ A3 |
(4) for <condition> to <condition> loop4 p3 `) e/ o" @6 o3 n* Q5 z* t
<statement sequence1>;, C0 {$ _& p. j' V
next;( Q4 d9 p! U! _* O+ P( B
3中断语句
% _# Z; b- j# ?1 M4 @6 x! Z5 J4 c waituntil <condition> prio <integer expression>;
- @4 Q/ L7 i! a' R. Q
" f3 C4 v2 J. \- c I
M! M8 b3 N/ I7 p9 N$ X以上为常用的函数！/ i, ~6 m- q2 T/ Z# `
还有很多，如有需要我把资料发到你邮箱里
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