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发表于 2012-11-13 08:48:12
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1判断语句+ U3 O* n$ v' F: E" f/ e5 H" y$ _- g
if <condition> then/ o% h( a! h: E: o
<statement sequence1>;
& u9 a- t6 v7 N8 Q) O3 n elseif <condition> then2 `- A! Y3 F. w# C
<statement sequence2>;& Y" Z- @( z) j) V0 T$ O4 q
else / m2 d0 `4 t' r6 R
<statement sequence3>;
l8 w4 C6 s2 ^ end;
8 b0 ?3 e4 ]; ]; a7 Y. J& U o如果分支比较多，用：* w' p# l# A# Z$ D6 m0 c
inspect <expression>5 a4 j1 k" a6 c0 X# D4 B5 v8 ^
when <constant_list> then
/ T: |1 _" K5 k+ v <statement sequence1>;
3 U! F4 U; \. x# Z" N. D when <constant_list> then
: k+ H) _; y: e# u$ ^ <statement sequence2>;
7 ~! Z( R/ Z' v; z- ?2 t o" } ...
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<statement sequence3>;2 C2 t: F* K4 K; J2 x7 n" Q
end;' N3 A7 r$ O n; l" \; y
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2循环语句; v' z; q' z4 c: A$ @8 J! F
(1) from <statement sequence1>
: A* y* \0 j( H- k7 `, T until <condition> loop
O* x: n6 H- f1 @, w3 l) w <statement sequence2>;
1 W) W( v0 b( p2 g! e* V end;7 `' u4 J4 X: D4 C
(2) while <condition> loop
, z% q4 Q+ t1 l1 y/ b& ~; V <statement sequence1>;
- J) o6 U8 ~1 P8 n4 w) ]7 T. O$ G end;+ n3 X6 l+ [" f6 l$ h% q# F6 A
(3) repeat ' ]. H7 R# W" `: W( `
<statement sequence1>;
" H* A! S- b) b1 ` until <condition>;
9 N7 ?) D! P& H1 A% g) N; o (4) for <condition> to <condition> loop
: V7 |- Q& D4 F* `' \7 ~) u <statement sequence1>;" T! p. ]$ m: r/ Z1 I8 Y
next;3 U/ J7 Y% ] k h/ u
3中断语句' v# ], T* Y$ f2 f# j
waituntil <condition> prio <integer expression>;
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|4 t! g* t( j! L8 j以上为常用的函数！" M- j8 ]% M+ V% } Y: h
还有很多，如有需要我把资料发到你邮箱里
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