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发表于 2012-11-13 08:48:12
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1判断语句
9 v$ [2 X# T: f. f' {5 r- @ if <condition> then
( O& X1 p/ I! d2 O! E4 f <statement sequence1>;1 E; U7 ^$ m2 g7 H
elseif <condition> then
6 v5 B# q. j" x <statement sequence2>;
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<statement sequence3>;# F6 V1 ^ |4 Q- W* i
end;
/ f3 v4 ]6 g8 b) t如果分支比较多，用：
6 Y8 M4 s9 n4 q. L" D& i inspect <expression>. h1 F, j" G; x" q: q% H: i
when <constant_list> then ]- e; a; V: a' Y2 y; _# b
<statement sequence1>;
0 i- D3 a- M8 U$ B0 y! b when <constant_list> then
8 _) i% Z* u! r# M <statement sequence2>;- ?. [5 g4 U# }9 p! L
...9 V4 X# @$ g# k2 [( R% s% ^1 T( k0 P
else3 n# o6 p+ Q1 t6 _9 W: v; B- U& }
<statement sequence3>; C4 t6 |- d; J6 b5 }
end;5 f( e! b2 q2 K! N
! X. o" F' X$ s; n2 ]" w9 e& e2循环语句
- k* l5 k# l2 p0 r. m (1) from <statement sequence1>6 v; S. z* V3 z2 A
until <condition> loop: E$ a d: a- w! a1 O. P
<statement sequence2>;
7 k: ?) g' s7 }: ^6 M end;
+ R# w. t$ H! p6 f% ` (2) while <condition> loop
/ H. O; l, R9 g N! C! ^3 I <statement sequence1>;- @0 N& G0 S5 u) k* F+ _
end;
/ }* s, j c" l* P (3) repeat
. N' |. ~7 P6 Y7 z/ a0 Z <statement sequence1>;
# { B0 R! A$ S( \, T until <condition>; \1 \+ E$ _. w/ h
(4) for <condition> to <condition> loop
3 c/ ^. k! i. I3 a7 h- Q5 v9 E <statement sequence1>;; G% a( C3 P& m; s
next;
# C: k: k; o( J& R8 P. @3中断语句2 L( f# b" ], A, K$ o( R
waituntil <condition> prio <integer expression>;
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$ N: X$ X9 o. p4 G9 N/ m3 z以上为常用的函数！; Y5 v o# I) p" y8 d1 o
还有很多，如有需要我把资料发到你邮箱里 5 I" H" z1 c* T- S9 M2 c
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