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发表于 2012-11-13 08:48:12
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1判断语句& z# F- o3 |- R6 R
if <condition> then
" K A* A5 x6 [6 e- \1 w <statement sequence1>;6 Q- s3 u6 C2 W0 o+ V$ g7 Q( N
elseif <condition> then
^4 K/ Z2 l) e& k7 k" }7 w <statement sequence2>; k9 a8 m' Q# F3 r! ^, E0 L
else
. f/ f, D7 A# O( {8 y <statement sequence3>;; i0 ?2 [( ]1 x
end;
4 M8 ?! B+ n: M' V2 G" l如果分支比较多，用：$ d. v3 V- ?& t" M# |9 j1 o$ e3 [3 E
inspect <expression>7 |; s E+ B& F5 S
when <constant_list> then/ [4 |8 Z2 V2 e* l3 q$ d' z+ A8 D" j
<statement sequence1>;1 p2 s: f) F5 }6 u- F, O4 h
when <constant_list> then+ a1 }4 H6 W% j8 k2 G5 F
<statement sequence2>;( L$ p6 z3 F" a* l! k5 U* X
...
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<statement sequence3>;
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* ?% }: H% X# m6 i2循环语句
/ X9 L! P) V @+ W$ H (1) from <statement sequence1>1 i8 o& J+ ~! S) S, ~) t
until <condition> loop
1 R3 b. Z# M Y+ B8 _* @$ s, ^- F* w <statement sequence2>;
& @2 u! \' h' K( U end;' Y7 C& K, v, Q- h
(2) while <condition> loop
3 ~5 f$ C. ?6 V/ c <statement sequence1>;
3 C3 p# ?' r% O end;9 J. b& P+ ]# u1 w- L% T
(3) repeat
u% a3 T) c+ q( A _- M; i. w <statement sequence1>;0 k/ u) i/ A* S* v2 ]4 g
until <condition>;
4 ]7 m; u! R# q/ I U1 O: C (4) for <condition> to <condition> loop" @; b; z% m9 Y# |. E
<statement sequence1>;
! X# [" C' t$ Q1 m$ W. f2 M# r next;+ G; o( V# ^- d: E
3中断语句
+ P( [' R, L6 a8 k waituntil <condition> prio <integer expression>;
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, a7 T( j6 |9 }, B Y以上为常用的函数！
: f' M$ b1 V* K8 A+ @还有很多，如有需要我把资料发到你邮箱里 2 ?# |0 F- J1 k0 q
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