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发表于 2012-11-13 08:48:12
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1判断语句
/ q) C& Y/ a2 _0 S9 M* B7 G if <condition> then
- n# Z! T8 E' o! @, _1 ] <statement sequence1>;
# c2 u5 T- z2 v3 Q3 o$ [1 g) O1 t. ^ elseif <condition> then+ [' ?: Y6 L2 V7 [9 B
<statement sequence2>;, f0 v2 u+ B8 A/ E. a- p2 ^% C y
else
& }- z7 k/ f$ \3 e' ] <statement sequence3>;
. t+ g% }% Q& {* ]0 E$ @4 S end;
+ M: A8 Y* t) K( g如果分支比较多，用：
8 J9 a3 S- W+ x0 P inspect <expression>
' |# W5 a8 q3 m u6 n2 |. S when <constant_list> then+ C3 I B4 \( x- l, G- ?. U3 V
<statement sequence1>;
, _7 }5 L( `, j when <constant_list> then
2 h# x g# m" H4 j2 A! d8 ? <statement sequence2>;4 p: R. F* |/ ]. r1 W: |
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else5 `6 X6 @/ u: o B0 |
<statement sequence3>;
3 }+ c1 X& s, Lend;
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7 ~3 a' Q$ G2 U% |/ y4 D. p2 M2循环语句1 k) S- T& ?0 Z- ^& k
(1) from <statement sequence1>; p) z. b7 H* D( Y, } K, g
until <condition> loop
+ Q8 `7 H C8 {' S8 l <statement sequence2>;- Q2 D: G1 y7 a' C. f$ Y+ Y
end;
& [5 M6 U1 `' H3 V) C (2) while <condition> loop
, r% }. E$ b6 |2 u# M <statement sequence1>;" n0 k8 H5 U) k3 D2 w
end;7 @! S% G. ^: W1 e
(3) repeat
" z( J* C$ `& k. R9 Q <statement sequence1>;, z9 ~7 J% i6 R& T2 P Q6 O3 o
until <condition>;
0 x8 r/ u$ v, B, C6 D; i (4) for <condition> to <condition> loop. V2 b: v9 X0 [. M
<statement sequence1>;
6 t0 y) Y% o8 |9 V0 ~6 t' |3 F t next;
3 L# v. p3 O5 L8 j1 I3 Z4 q3中断语句& p" h2 p- R" [; G/ v
waituntil <condition> prio <integer expression>;
3 |, X, w0 q6 E# N
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以上为常用的函数！
, ]2 l1 B5 A; j2 {6 w还有很多，如有需要我把资料发到你邮箱里
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