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发表于 2012-11-13 08:48:12
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1判断语句
4 I8 C" F e$ u if <condition> then
$ L4 G1 b( p+ X8 n8 X: }/ W <statement sequence1>;+ Q) g. k# Q1 @( |' q8 N6 W, }
elseif <condition> then
' `* k5 U, w: R4 h+ x <statement sequence2>;/ h8 z/ ]/ E# L" s8 c
else
k s' [5 D8 |/ ?) N7 J <statement sequence3>;, j' P, J; z4 l0 o6 m5 M
end;
& U* p5 S3 d- j% H S H如果分支比较多,用:0 b5 v4 B$ Y0 D8 b% S
inspect <expression>1 b8 F$ A' b2 B; K8 G, E6 D9 K
when <constant_list> then/ @$ s$ [6 \5 _# g
<statement sequence1>;. M+ `& K4 D7 M3 X) V/ E
when <constant_list> then! q3 T2 J3 {! V$ Y
<statement sequence2>;1 {) D" w* k, Y, s1 Q5 q/ h$ ]
...) {5 u& k7 i1 ?
else
4 l" k v# V- U. ^' p1 } <statement sequence3>;
! h- a) H' I: s5 _% qend;: x* k8 R$ q V& A. B
' g1 g: K/ P# H7 N5 N+ t$ t) K4 H0 B. }2循环语句% I$ B! o5 w6 r0 F+ j9 b# I3 S
(1) from <statement sequence1>
) w2 p5 x, A) b9 l1 E2 | until <condition> loop$ v% H5 |0 {1 u
<statement sequence2>;
8 c N5 `5 n+ z! q: h5 @4 F; _ end;9 D6 V2 ]7 D n% b6 X; c; m& |
(2) while <condition> loop" E: ~. C1 G& ~( ~ ?# H
<statement sequence1>;
Q, Q) d! ^' V8 o5 j! l- ]. H end;9 H& L- `1 N9 K% S# y0 Y- O2 v
(3) repeat
( s/ ]: v9 {9 Y- n( C. P e <statement sequence1>;
. a; p4 q: v8 f1 w1 h8 D2 v until <condition>;' E8 e3 Z/ L5 i, K+ r
(4) for <condition> to <condition> loop7 w9 f/ x% Q6 ?! P
<statement sequence1>;! V& L4 b7 l7 q' a7 F8 L
next;
3 |% x2 L- D' e4 V0 u3 a+ V; [3中断语句# u _& @2 g1 |6 u
waituntil <condition> prio <integer expression>;/ i+ A3 F* w9 R) p6 [! ]) v+ X1 B
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% E& m0 \0 d$ l: X$ O0 u- G1 u9 P以上为常用的函数!1 o6 ^ Y' n: l: |& ?, ~
还有很多,如有需要我把资料发到你邮箱里
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