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发表于 2012-11-13 08:48:12
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1判断语句
2 I$ f3 \. Z1 k if <condition> then1 n7 W W# F5 E, G) I
<statement sequence1>;
( P) q# T$ o2 k9 L- P+ { elseif <condition> then K0 I' U9 C2 f* p
<statement sequence2>;
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<statement sequence3>;
; J9 s: j. I: C+ P1 W4 d end;
- l# O" i; E' `" G; ^: f, I如果分支比较多，用：) j9 p) j& T( U( J. t
inspect <expression>
& \& k2 V" O7 J) M5 a% K9 j when <constant_list> then2 f& o2 H) l! U: f8 z- i& i( u
<statement sequence1>;
4 P7 F2 H) B; z$ P' n when <constant_list> then
" s1 L' i) ~0 ~% } <statement sequence2>;
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else3 D" G$ _/ F+ Q* ^5 B- q6 o- d
<statement sequence3>;. @8 E; @6 ?/ Y8 x) U
end;
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2循环语句
" ~' K( G) O/ U5 t) g (1) from <statement sequence1>
, [' `# E& C- Z0 x8 } until <condition> loop
9 k! [! t, p: P% |5 o, n( ] <statement sequence2>;! }$ B0 q% `" W0 V+ A7 D
end;
( I5 i/ F& y) m: L& [ (2) while <condition> loop: @5 q* ^0 Q# j8 i. P3 G1 q
<statement sequence1>;
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(3) repeat $ H' H! x+ j6 Q& m% L* Y
<statement sequence1>;8 ^3 o) Y: {, J8 t
until <condition>;
" H6 p5 |) l7 w5 |) R+ P (4) for <condition> to <condition> loop
6 ?5 {2 S; L E2 r5 w9 S, n# } <statement sequence1>;& ]# K L8 @1 t$ ]. V
next;
: V- ^; v7 O g6 Q; n3中断语句9 N/ d9 t, D- j9 |; e: }! J! z+ b! z
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
! o3 m0 X0 [: ^还有很多，如有需要我把资料发到你邮箱里 5 w8 ^1 j: Y- E$ G
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