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发表于 2012-11-13 08:48:12
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1判断语句
. D: F' q" n+ Z9 X6 l* p if <condition> then
, Z! m) W0 h' E" j* i <statement sequence1>;
& R; k: X. |" X/ O- w5 M elseif <condition> then
( c. x" j' `; S* U! y# U' b# d <statement sequence2>;) E9 }6 [; x; t! r( i6 d
else
. Z0 S/ ?7 K/ t& e4 e/ t8 p <statement sequence3>;- L; x6 W! L0 i8 l
end;$ N) D! q9 t) i( s: ^) g
如果分支比较多，用：5 M6 W, ?9 F8 x; @ [) g4 O
inspect <expression>3 P# V( V; o6 J+ B
when <constant_list> then5 J8 e, S6 P: _# l
<statement sequence1>;
! b1 V7 D& E9 {! z when <constant_list> then! @4 `. ~* d* u f
<statement sequence2>;
2 r. s+ Z7 R' a( a" z ...
' D7 a0 k ~6 R P, y$ { else
! W# w* v. O' K6 t8 m <statement sequence3>;5 m# ]8 ^& |2 i* W
end;
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( x K( N; L' u% q) B2循环语句
, i3 J8 |4 K! y (1) from <statement sequence1>; |: {+ a8 O2 s- Y& f8 [7 O/ y' ]5 v
until <condition> loop# {9 S7 u# w- l3 u
<statement sequence2>;4 V$ h( a$ c& n/ w; s
end;
+ y- v0 F5 \7 p* I! J4 W (2) while <condition> loop% r! ?+ o& @! A) j( d5 C" @
<statement sequence1>;& H% {9 @1 G& w- |1 U" p
end;
" v" r5 j' n$ e; A2 [1 z (3) repeat
) {! d8 X* I9 U7 O <statement sequence1>;
: p) u+ u5 A6 V0 _9 X- m0 J+ }: g7 j until <condition>;8 z+ {; I4 V" W5 Z
(4) for <condition> to <condition> loop4 _9 u. R. U# w( o M
<statement sequence1>;
" k; p3 u' J d* g next;
0 R$ B% g7 y' H; ?+ {( T* c3中断语句! O$ c) l" n* I. R# ]7 w1 c
waituntil <condition> prio <integer expression>;
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; ^4 ]# D3 M3 H; G# |) ~
以上为常用的函数！- c. Y7 o! F1 g% z9 l9 }# r* P
还有很多，如有需要我把资料发到你邮箱里 ; f; v5 J( z, o) ^3 ~
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