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发表于 2012-11-13 08:48:12
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1判断语句
# u& f( ?: b1 r! b9 E% Z if <condition> then3 Z5 U: l: P5 v* R, p$ o* {
<statement sequence1>;
$ ?3 o9 R9 {4 C: C4 K elseif <condition> then
. E" X) v. R: P" y <statement sequence2>;. q# X9 s- s# }. n0 U
else
% U/ m6 W' d% }* V, q <statement sequence3>;
3 K9 g/ F2 I9 D end;
+ ]$ @6 s; g/ |: f如果分支比较多，用：3 q+ h9 Z% s5 n4 T7 A
inspect <expression>8 d6 ^, K9 E: r# u |+ D+ u- g) v9 y
when <constant_list> then
/ [& A& c# c6 d, g+ {" G- P <statement sequence1>;
7 G/ G& y E# `4 m, R when <constant_list> then% \& Y0 \; A/ z( e, Z
<statement sequence2>;3 m* W; B4 F' v6 q& \- C
...! M- f8 x$ ]' i) w
else
% b6 ?* Q% X- D, f' o4 G7 i, ~ <statement sequence3>;" o9 P5 I9 x$ F7 i8 p: V
end;& ]3 m A$ M8 M2 T4 c: S
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2循环语句. U9 Q' W' L" L5 T% O
(1) from <statement sequence1>" w- Y E* A2 ?+ D: L5 f
until <condition> loop* j3 v. r% J" @
<statement sequence2>;5 u+ P5 J l4 C5 ~% t+ }
end;
+ V/ j: r0 O* T4 s (2) while <condition> loop
$ @; c5 d/ h7 u8 V" @: u <statement sequence1>;/ r' [" L! l7 G/ p
end;) _9 ^! h% U" E4 N6 I3 A
(3) repeat + R) a8 n# Q6 G7 G
<statement sequence1>;
; R% [' F$ V# B. X% V- Z, p" j until <condition>;8 }- @) j9 K) n; J$ l* d
(4) for <condition> to <condition> loop1 k' ]+ C! ^/ c
<statement sequence1>;. U+ _, i b' J% O0 ]. C
next;+ a" t" F( o9 T1 G! w Q: @0 `0 W
3中断语句( k) l# @) Q; l5 q8 Y
waituntil <condition> prio <integer expression>;
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8 K6 c# R( H% v; o3 ^1 C以上为常用的函数！$ Z( C g! n" d/ _, u
还有很多，如有需要我把资料发到你邮箱里 4 D' u9 t" p$ Q' t& [5 b6 B
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