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发表于 2012-11-13 08:48:12
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1判断语句5 P: A5 |; J, `. y
if <condition> then
/ c) F. h3 Q7 d$ f( E& A# Y( B <statement sequence1>;
! R7 G! S$ _( N2 z% f" L elseif <condition> then
% i' e, P3 O* x( R; k* N <statement sequence2>;' v! \. |* k' E
else " \4 Y6 Y+ v6 V# Y- K7 m5 }! Y
<statement sequence3>;
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如果分支比较多，用：* M l3 Q# f1 D" r0 p" T
inspect <expression>
- m! N/ \" y7 Z: F( Y when <constant_list> then; |0 n5 P: }. P
<statement sequence1>;
0 c# x1 }7 V6 h- r when <constant_list> then. u( O) {1 o) u( n- ]3 s
<statement sequence2>;- |4 p- B4 B2 n; H3 G
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else
% T8 ]+ {; |4 \4 K3 K6 g <statement sequence3>;
! B3 m& A0 K: v# o+ Z# zend;2 {1 @ I; [6 X* n; f8 b" n
4 J9 w! X4 ?- O2循环语句! p/ o7 K$ J+ D$ S- E: F! b
(1) from <statement sequence1>
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<statement sequence2>;
K: |2 B! G+ C- G end;* l' H- k* a9 V7 P" g( _, c& G i
(2) while <condition> loop
2 |3 I% p$ V, I% F7 L# s* g <statement sequence1>;
" A% q( I, K! g% h( K, y- G. @ end;9 L, V4 B- k" ?. f' x! N/ ?5 ]4 U
(3) repeat , ]6 |, _) l, C3 [) b3 w" B
<statement sequence1>;9 S4 E; a8 p5 _6 q
until <condition>;- F/ B$ a, P. a+ Q8 h
(4) for <condition> to <condition> loop
- l$ k P- e& T9 @ <statement sequence1>;6 ^. r( e/ c1 A
next;3 T% R0 e: I4 @3 W$ G
3中断语句5 ]. O+ V3 e7 P. Y- i; m7 Q
waituntil <condition> prio <integer expression>;; n2 w- i9 T9 E7 h
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3 x2 U+ S- E1 y3 x7 I7 u& u以上为常用的函数！2 U/ Z. ^' V' U" q2 M5 }
还有很多，如有需要我把资料发到你邮箱里
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