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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
3 q9 x* l( h4 g3 T if <condition> then, v* p. J! [1 s% D
<statement sequence1>;0 P+ I; A. m+ v+ L' T3 \, n
elseif <condition> then
& b c# [, ^: m$ f1 o/ u! H <statement sequence2>;
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<statement sequence3>;9 t$ i3 ?0 s; j8 F5 M3 c p
end;5 b1 L9 i, Q5 C; }0 g* c9 M! d! f9 n
如果分支比较多，用：; ^4 E4 ~+ | P9 z
inspect <expression>
, f6 u& h) F. Q2 O$ j8 Z when <constant_list> then" v) D' R7 S& b* n2 b& }) O7 S
<statement sequence1>;
! }0 L& I( \$ W2 n1 z& I when <constant_list> then; j! L( E+ X0 }' d8 U' w; N
<statement sequence2>; ?) j% G+ {, A
...2 b1 F! e6 {, e
else# g/ F+ v) @/ N4 ?3 v0 x, H2 I
<statement sequence3>; O* n2 T& n( P/ K! s1 O# a
end;
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2循环语句
# L( a" t( A8 z7 k( g4 p& c9 w$ [9 e (1) from <statement sequence1>& F* ]7 @6 j$ y" n. B3 M$ L
until <condition> loop
7 _/ b, v3 t* d: _% g <statement sequence2>;
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(2) while <condition> loop
9 k5 | M. x$ h7 c <statement sequence1>;( |2 R* a/ c$ ?* m0 a: o8 I
end;
* B. g3 a4 P0 o9 ~( q j (3) repeat
: m3 C9 f) `7 k* y% i, X <statement sequence1>;
8 v( q. T3 C$ H4 | until <condition>;
( H* _$ Z. S( j. ^ F (4) for <condition> to <condition> loop
! ?" A# ~5 S5 l! p <statement sequence1>;
* r& W5 y6 @" u% z* w0 m next;: [9 ]' k$ {% B9 Y, G
3中断语句3 Z4 Y8 o% P; x# ], C
waituntil <condition> prio <integer expression>;/ t) f) ~. |5 s9 p
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以上为常用的函数！$ p6 _3 _8 j7 h8 w4 n( i$ I. Q
还有很多，如有需要我把资料发到你邮箱里
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