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发表于 2012-11-13 08:48:12
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1判断语句' {+ Y; { }5 x5 v9 p# a! }
if <condition> then
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elseif <condition> then' P3 P7 ~( y6 S2 T
<statement sequence2>;& A7 d3 ?+ y# R0 I
else 7 F. N* T/ H2 V8 O& W
<statement sequence3>;
8 m+ f- G& g) |0 F5 q" Y$ ^ end;
B) `0 j" T. l如果分支比较多，用：6 b- A( \6 ]: @! [( M: A K
inspect <expression>
! |/ r$ d3 \8 d) e when <constant_list> then
# ~9 k3 |+ d7 Q& M: k0 |9 b <statement sequence1>;
: I0 v2 z- z) w0 u1 {/ N( t when <constant_list> then6 b* M: p) z* \
<statement sequence2>;5 h+ z, A# m1 M6 H# u
...
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<statement sequence3>;
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2循环语句1 B, t( ~' ~; a/ E9 ^: J
(1) from <statement sequence1>! I; d$ n2 p3 |7 ]2 T1 ]3 i
until <condition> loop: `8 n4 l+ d5 E4 q* j( Z: E& f
<statement sequence2>;* p( T( r* T/ s; g' g
end;" R; I- J! L7 R2 o3 J% Y: Y
(2) while <condition> loop2 j* m4 Q; c2 ~( B
<statement sequence1>;0 ], i8 ~9 \' h) W* J
end; ?8 X% j8 q+ R# ?7 a
(3) repeat
& o7 ]. [5 O6 p( T8 O <statement sequence1>;4 ?, Q* Y7 h5 b0 S5 {
until <condition>;
+ X1 {4 t- g ^7 r (4) for <condition> to <condition> loop$ _' h, q1 |9 M% h* X; M
<statement sequence1>;
2 P; W5 K j: @+ T$ C$ z3 m next;
- d! e, a3 L3 p0 K( A% b3中断语句! a+ ?* q) Z$ l% h
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
( F; G+ R- _ o1 ?1 @还有很多，如有需要我把资料发到你邮箱里
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