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发表于 2012-11-13 08:48:12
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1判断语句0 M2 X* ]$ u& b4 ?: R4 g! g
if <condition> then
: J \" a2 a" T- ^) _0 q# ]/ U$ ]3 b <statement sequence1>;( W& V* _/ A5 ~3 V3 E: ]4 I1 g- J
elseif <condition> then
9 _5 \7 W! }; C d; a5 D3 ` <statement sequence2>;: s) _ }' J. R2 h
else 5 ~) X9 B& S8 J8 u2 ]
<statement sequence3>;1 m! k6 G5 F: e; }7 K8 F, c% V
end;/ N9 s% F* }8 Q; o$ Z3 V
如果分支比较多，用：
% m1 T* E7 A* N inspect <expression> j, E) h9 q6 ], `, P
when <constant_list> then* F& t' _. Y4 e, f& p j
<statement sequence1>;
w# @+ l0 G1 c" k4 ]- z: f when <constant_list> then2 ]9 {2 G: h7 x. g- k X# m
<statement sequence2>;6 h* J# M) C$ w
...
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<statement sequence3>;4 G `6 ]4 W# Q' w
end;2 x- g+ Z' P9 o' G& j' v y" S
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2循环语句
* C7 ?6 ^* T' H' S! {# f- U (1) from <statement sequence1>* m) Q7 V; \5 g) N# s7 Z7 l
until <condition> loop
8 I" R- O, @8 [0 v0 N% [& m <statement sequence2>;$ e/ q/ c/ ?+ v8 g
end;& |& x' \) T' s% E' ?
(2) while <condition> loop
5 L6 P) d$ @5 F <statement sequence1>;# E% \8 W" \% ?& {8 N
end;+ J1 E2 G, \' ^) c! M# V
(3) repeat
( c N9 L) R( u7 P6 D' o9 u <statement sequence1>;
* j0 j4 d# T! `6 _( ` until <condition>;* j2 |+ r* y& ?6 l) }
(4) for <condition> to <condition> loop' S- z/ w u7 @
<statement sequence1>;
: e' G) Y |& J- i2 i) Z# x! S. J next;
+ k' E4 b; o' |/ f4 t9 Y# }3中断语句
5 w; e# _- [& Z. O+ `% }* j) O waituntil <condition> prio <integer expression>;
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+ v2 C0 t0 i$ r* O. ~* S! D% y* {' M8 T6 X以上为常用的函数！
k* N9 c' V9 q4 |5 f3 q" ?还有很多，如有需要我把资料发到你邮箱里
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