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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
K W& l* x+ q7 c" R; t if <condition> then( p% l3 N& K4 m5 Q
<statement sequence1>;! O/ ^ d' U' R5 O! c9 I- G
elseif <condition> then0 }- j( O# u6 b8 h0 b7 z: a8 V
<statement sequence2>;
, _7 X) w& h5 b) f else
3 u. g# Y9 n) L0 E+ x" c% k <statement sequence3>;
; K3 m& |! L o, P4 q end;
3 {7 A# U+ t! }( g z% ?3 \* |如果分支比较多,用:+ m* b5 t8 d' @
inspect <expression>
3 j& N: ?6 J+ ^# k0 R when <constant_list> then. k( Y6 c2 E" @5 i$ i c& D3 m
<statement sequence1>;1 t. U8 Z3 C6 ^& ?. ^. M L
when <constant_list> then
: o; a% [" [+ S' w, K8 R. \. ` <statement sequence2>;$ Z0 P6 U9 A$ @# t3 o& D
...
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<statement sequence3>;
9 V" R. o: ~) _end;
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2循环语句
) u- ^) [0 b& d( E/ S2 c (1) from <statement sequence1>" z* `' f- \7 T* g* k
until <condition> loop+ \& V( r6 Q/ Q: g9 z0 }. M! y& w
<statement sequence2>;8 x9 E% v* m3 K4 T0 Z% F7 U- ^
end;6 V8 c2 ]9 Q/ `9 |: l
(2) while <condition> loop |1 E" ~, w1 ^7 d0 |, |
<statement sequence1>;
' `8 k; q# k: _# g! G7 J3 |6 x' G" m% T end;
4 n' Z# W# ~+ f8 g3 S! N (3) repeat
& }, y1 m& E7 p3 r$ [3 d' \ <statement sequence1>;
3 c% T: H1 P# M | until <condition>;0 M" `4 \; b3 J
(4) for <condition> to <condition> loop+ |, {* s4 q/ {! N6 A
<statement sequence1>;
% {4 B, g) D' d8 s( j next;
; e7 d9 }7 I% e3中断语句 n" z/ Y# B9 X# l; { x, @ E
waituntil <condition> prio <integer expression>;
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& X$ D h4 ]4 s8 E$ X5 @
$ O' N$ `% i0 ^0 ?6 U4 b" b以上为常用的函数!
4 E1 k+ x2 }( A. g还有很多,如有需要我把资料发到你邮箱里 8 _! L2 X& A" \* E2 N! i
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" O, ]/ K* [) y2 a
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