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发表于 2012-11-13 08:48:12
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1判断语句7 q# g) D8 H: i; f- \5 L# c7 b
if <condition> then" I8 S F6 X* L' E# O$ S# _; W" _/ s
<statement sequence1>;
U& X% F' R. e4 G L elseif <condition> then
+ Q n+ \8 M0 H! c: e# C' a <statement sequence2>;5 U# _8 [& g% o- ]) d8 m
else
" W$ j9 c B2 k5 z# p <statement sequence3>;) S" y+ h5 h: @! g9 ~/ v4 r
end;
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inspect <expression>
: J/ _1 s, h, H- q: a: z# d) D6 o when <constant_list> then; A/ T- h- S: _. z& g" T, z* j
<statement sequence1>;
+ b+ S1 i& {, c3 _ when <constant_list> then
/ f% ^, y- a: f) D+ Y4 Z <statement sequence2>;, g2 N2 Z( M/ W
...
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<statement sequence3>;7 O5 Y g- I2 u/ b& @1 g& z
end;! z( O/ M( _( \- _
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2循环语句
5 Z4 o5 h, L' U. U (1) from <statement sequence1>
; |4 \/ ?, e# ?! x until <condition> loop
2 {% f# K- P" Q <statement sequence2>;; ^2 \7 q* ~& N$ z/ I( A
end;' y$ M+ J# w& c! b- }- w% I7 G
(2) while <condition> loop/ `/ m7 r3 N: s: e# X/ N8 o8 Z
<statement sequence1>;
5 k" o4 o, S7 h% v" z3 ? end;
" [. G G5 u ]4 |( E) E* ]: R* ^- |7 P (3) repeat 4 v# k/ [9 _8 K- ~9 J
<statement sequence1>;# b. y" S- {% E7 r( P! X
until <condition>;
7 y9 ]8 H! K8 a+ h0 D9 O& Z (4) for <condition> to <condition> loop) O6 R- M; ^- O6 [; F& }# d1 K6 s) _
<statement sequence1>;% {9 ?8 v. s5 u; `" x9 s
next;
7 o5 K4 g5 t3 A2 @+ }9 ~6 i& {7 z2 B: B, D3中断语句
% O5 D M2 K4 \# e* h waituntil <condition> prio <integer expression>;# g$ W" l* [" h5 j/ n% O9 T9 y4 n
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9 V" W; ^0 y* C* s7 s* K以上为常用的函数!7 ?, U! b1 r! O- S
还有很多,如有需要我把资料发到你邮箱里
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