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发表于 2012-11-13 08:48:12
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1判断语句5 _* g, a) D. h/ i" Q0 ?4 P3 N4 Z
if <condition> then
' r( U7 c5 m- X" |% f j <statement sequence1>;
+ d* r; T3 h. U0 `$ ?" d1 c- L elseif <condition> then: U6 Q' Q8 N; [) U8 H
<statement sequence2>;
) l( ?1 f+ \7 U; x6 b. s; w else
- k* R% t9 L) L# |3 }* j* Y <statement sequence3>;" _# f1 m q5 I& h: g" z
end;) Y$ A$ o. Z' Y
如果分支比较多，用：/ C* l* Q: q* k1 T
inspect <expression>
8 M, X% v \8 _' e& \ when <constant_list> then! e0 i# \5 {$ ?' K8 D8 X& W* f
<statement sequence1>;8 l8 e" c: w! c- {: U& [; m
when <constant_list> then9 B+ ?; W0 U$ ?
<statement sequence2>;
- W3 B, D' v- ]$ J% W ...
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<statement sequence3>;, o: l5 K, f) L# d
end;
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' J! a. u4 L, i/ a9 p0 I" b2循环语句
) x. }; r+ p, F( |" K( T5 Z (1) from <statement sequence1>9 j+ G) f, F6 C: w. O& g
until <condition> loop. ~7 E7 e% O8 l! Q
<statement sequence2>;
& H7 K$ z o/ Z G0 H# [9 H0 `9 p end;
/ P* p; [; O* f& r% v2 q% n7 Z (2) while <condition> loop
0 n' k% D# X D& j <statement sequence1>;
# h, ], b. M* o" n/ W/ K end;
( f6 G, j K' U: s$ ?2 n3 N" u (3) repeat ( o. S# e/ p2 F* K
<statement sequence1>;
; B# S! \( b9 W p$ Y until <condition>;4 p: L9 c* h4 [" P# J
(4) for <condition> to <condition> loop% u k% V' O9 Z2 l/ ^ o
<statement sequence1>;
; Z& a- x( `1 K. A5 E9 [' J/ P next;
$ @% l% m" D/ a( A7 j. |5 z/ B3中断语句
' w5 P9 w% n" H) {7 u waituntil <condition> prio <integer expression>;
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1 }+ a# E. ]4 g
以上为常用的函数！( C1 A2 I; t) Q# s* G( \8 J7 ~
还有很多，如有需要我把资料发到你邮箱里 - h L0 c+ q. ~& t9 M
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