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发表于 2012-11-13 08:48:12
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1判断语句
' W$ ~( K8 K6 ^5 N5 \- G if <condition> then
& V8 R1 _" H# |4 ~9 L! ` <statement sequence1>;! J( c# X$ Q9 d! Y1 ]/ [: @
elseif <condition> then5 Y2 B' R( ^% _3 e/ c( a! n
<statement sequence2>;
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<statement sequence3>;
% X' {* c! A2 U, B8 {. Z6 P end;
4 H7 |- |7 l7 q8 w0 g$ W如果分支比较多，用：
3 ]3 ]3 I7 d1 b6 C( s7 k4 d inspect <expression>
& b/ y8 a8 I7 x when <constant_list> then. h; f: p/ j- L# u2 ?
<statement sequence1>; e% R; ~3 |5 a" B3 t' S0 l E
when <constant_list> then2 S/ h% I5 I4 y, q' Z" h
<statement sequence2>;7 O. A6 E+ U1 F
...
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<statement sequence3>; S) z: k: {# V+ r
end;
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, E% a" i3 \' K8 d- _2循环语句
8 X* p. Z+ G) f- W/ n, F (1) from <statement sequence1>* ~ T) q3 D/ D% s1 z$ b" U
until <condition> loop8 b* b" v L5 M# M
<statement sequence2>;
3 C2 z, [* {% X: d2 e" }) P3 F end;
9 G- S/ e p: Y/ M (2) while <condition> loop7 H5 f1 i2 T j
<statement sequence1>;
: s4 a, D& f1 v! E end;
1 P# g! M9 ~6 h. G/ N0 p& i( G (3) repeat ( x! g! K- p y; A* F" X6 |
<statement sequence1>;& D, N$ t& M/ W/ t
until <condition>;! a- W' A$ i* p3 U. T8 t
(4) for <condition> to <condition> loop4 z7 ]) c" U* k
<statement sequence1>;
" v% E; u' z# O# L" f% B& v+ }/ E next;- ^ t9 }2 _7 ?5 W
3中断语句) C# O5 R5 J- t
waituntil <condition> prio <integer expression>;+ p8 L( G$ B; R- W( A
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以上为常用的函数！" U. z3 [1 n( M! v; a+ P
还有很多，如有需要我把资料发到你邮箱里 2 m3 a o3 d. r+ ?, E
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