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发表于 2012-11-13 08:48:12
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1判断语句
' b* n) r' H9 @6 T' S% @ if <condition> then
/ J, H! a# f! Y! v$ A+ z8 e <statement sequence1>;5 b5 J4 T2 s6 T: W" x
elseif <condition> then
0 S, Y6 V) j U- }) R; w; R <statement sequence2>;& N |4 T0 B- [ ~" q4 X; R$ M
else
4 ^% Z T3 m% { <statement sequence3>;& N1 o4 `" y8 m* ~
end;
; v1 h% l! R8 ^ {如果分支比较多，用：
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when <constant_list> then7 y( F; D/ P4 \! t# K1 `; N0 P
<statement sequence1>;% l7 F! Y! [) d- C. } v7 b V
when <constant_list> then
& w2 n) _8 u, v6 l2 _1 P' N <statement sequence2>;6 {( l* s, t3 y \
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else
" S2 q; p9 ?! ^1 z* n <statement sequence3>;) y! l/ Q' m: J' i) @! a F0 E
end;
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8 k7 T& e; v2 C! j, J* t. ]2循环语句
; L" c* g5 d* ~ Y6 E" @- A (1) from <statement sequence1>3 E1 F% k" C4 [! J2 {# D7 O
until <condition> loop
2 R( K4 T: R* o: Q1 ~% Z1 l <statement sequence2>;
* t( z3 |3 ^5 S9 ^1 F end;& Y/ u( E8 @' b; S b
(2) while <condition> loop: A# ]& q' Z G0 l8 o
<statement sequence1>; M# R; q1 b4 ?
end;( t X+ M, X- |) G X) C0 q. Q
(3) repeat ( G7 ` U2 V8 S
<statement sequence1>;2 s8 i& v z$ S2 B& d* L4 ]
until <condition>;
7 P* v4 Y" b. v: q, O (4) for <condition> to <condition> loop2 b+ I) a" a, D
<statement sequence1>;
6 l! F E# Q: S7 _1 Y" E# K3 K next;
' y8 k& |+ a: A5 R3中断语句( u# D: `8 F8 q5 a" o4 @7 x% A1 P3 \
waituntil <condition> prio <integer expression>;; U, `4 I3 ^. P% `/ U
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以上为常用的函数！
4 R3 }9 K" B+ _- X/ f6 K) h还有很多，如有需要我把资料发到你邮箱里
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