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发表于 2012-11-13 08:48:12
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1判断语句/ t3 p7 U7 a) m( A: L3 ]0 `& V9 [
if <condition> then
4 U( u- u# ^% d$ v: _7 Y <statement sequence1>;7 \% G8 B& z8 o1 |
elseif <condition> then
9 p+ O! G$ Z% ~2 }& ]5 t5 G <statement sequence2>;
# T R9 n$ b" t4 H4 _# E else
1 T8 z h3 b* ~, g0 o. Z <statement sequence3>;8 r" s9 J/ W& i' o$ }& g7 d
end;3 L, _6 z& ]/ S4 [ ^
如果分支比较多，用：3 ~0 u& @% r. A2 N/ N
inspect <expression>8 u4 O& m" V) K, K& l5 X' v9 U8 j
when <constant_list> then
+ r8 P! Q6 p0 Y9 \: M5 J <statement sequence1>;) U0 m3 [- {2 F' m! Y. c* l
when <constant_list> then7 E- I# C& p4 P/ j% a) m+ I& E( u
<statement sequence2>;- D8 b; l# P$ N1 x1 I8 Y+ o
...
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<statement sequence3>;' K' Y: |/ x n, H3 _) r1 ]
end;
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9 R# F5 c/ h( _, X" l& y2循环语句
2 R) j. O# H0 r `6 t! k! Z (1) from <statement sequence1>
O" u! q; H: Z; ^: ^1 s3 ~ until <condition> loop
( h8 z2 m/ Q* O <statement sequence2>;& |: `/ D, K. k
end;7 j e' u3 {! U1 O
(2) while <condition> loop3 [) K) Q a+ \, \3 R/ b
<statement sequence1>;# b. {& S. n7 L* v( O/ f
end;
4 a% q+ y0 c o7 M (3) repeat 6 F1 t& U8 Y* s+ \, U C
<statement sequence1>;" y {. _8 F# v0 [
until <condition>;
* V$ p4 E7 h6 d- A1 P3 S4 K (4) for <condition> to <condition> loop1 H- d1 C: F$ ]) t; v/ P9 }- K! G" \4 i
<statement sequence1>;! c* m0 j7 z- h( \
next;3 z$ m7 Y) m7 F2 }( w
3中断语句2 J. \: n& y( K8 L% Q7 L0 l
waituntil <condition> prio <integer expression>;- f" Z2 S/ ~3 k) c+ v
! ^) E5 v8 F4 F- h9 s
! t G i+ [5 A: H5 F/ A! Q以上为常用的函数！& ]# ?/ G. r) ?( O
还有很多，如有需要我把资料发到你邮箱里 / }; ^1 q0 v6 _2 N @) L
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