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发表于 2012-11-13 08:48:12
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1判断语句" O; T0 f7 z7 F3 W# S
if <condition> then4 Q: N; l! h3 M* u i
<statement sequence1>;
; U0 x8 ?2 M: L1 R B elseif <condition> then
: V9 u1 C- M1 H+ P8 x <statement sequence2>;5 f, p8 u9 J6 `8 z5 _! M' }
else 4 j0 N, u% M, V6 x- s! z
<statement sequence3>;
+ ~( y; H9 k0 x6 E( z& q3 t# I3 _ end;
' `% W S& i+ W6 w/ ]如果分支比较多，用：6 h. j7 P4 n9 _! |
inspect <expression>% \0 j1 c- W/ {; r* Y; D
when <constant_list> then: X8 \- y& r& M0 X4 ^9 n$ m! B: l
<statement sequence1>;% M" a$ z( |/ r1 I
when <constant_list> then
2 y* G; M4 x# u( @; K <statement sequence2>;
% K2 p8 ~5 a- @( l: u# M: u0 b ...
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<statement sequence3>;, t, B4 o4 b+ Q8 ]7 i( |
end;
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2循环语句9 h5 K: X6 h1 ^
(1) from <statement sequence1>5 q1 a2 H5 }" F& Y9 ^+ M+ l
until <condition> loop+ @# E% z& n2 Q0 A6 Z) u
<statement sequence2>;3 [; S j4 p n
end;
" {8 g( {1 O1 N( g$ D; L% K (2) while <condition> loop! L, Q3 j# H/ K- }9 v: r
<statement sequence1>;8 P( `3 G3 x' u. P. A2 {& R' D2 l
end;
2 B: E0 B. ]. ^- b) z (3) repeat 2 N: @ Y6 l' F7 k
<statement sequence1>;1 ?3 H# c B7 m
until <condition>;
1 p5 o7 B4 a7 B9 U; } (4) for <condition> to <condition> loop6 n3 X& p- N% O/ @+ K2 @
<statement sequence1>;
; d3 T' w% X6 b2 O9 j; D5 Q( | next;
& V U: e# J, U7 l# t- |2 h, F8 y3中断语句
" H& i- e$ D6 i( L! u. r+ n2 J waituntil <condition> prio <integer expression>;" I6 c; O$ k. f- v% j0 i
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以上为常用的函数！
' j! \! c \8 f8 y8 v还有很多，如有需要我把资料发到你邮箱里 9 W( s( t8 ^' F) `; A8 L; `0 l
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