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发表于 2012-11-13 08:48:12
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1判断语句; f( F9 `5 g% b: K* }
if <condition> then) i0 Q9 ?/ c) ]
<statement sequence1>;7 r' z1 Q/ I3 ]. x5 D
elseif <condition> then
, S( f9 J" ]; t$ O3 P7 X, O" j <statement sequence2>;8 v9 J/ z( v! g2 X9 |
else 0 I+ K7 M- _( b1 Y
<statement sequence3>;- p5 c, y, L# m% P& }; e' P, N9 w) z
end;/ k% k$ a0 e7 \4 L) e- u5 `
如果分支比较多，用：- ^: q& e4 {1 p2 V" T) B8 T4 i
inspect <expression>: ^! L# N, M0 E( i' d1 V
when <constant_list> then
- C* F0 O9 b9 {% `0 U# ] <statement sequence1>;
+ t2 p7 f6 A* Y) i4 L, ?- Z when <constant_list> then
4 I9 R& s+ j1 w- V1 ~ <statement sequence2>;
6 Z6 I6 \4 N: d% C8 H& d0 `6 g ...
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<statement sequence3>;
+ n _. j4 U1 f' V/ V8 W! u2 {end;
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. w$ [+ w/ J- y& x+ {; Q8 o2循环语句
$ z8 M- L# S/ J6 z( Y (1) from <statement sequence1>7 M' o0 Y# X' ]: j
until <condition> loop
: R, b1 s! i- M( W2 u( f <statement sequence2>;
w8 ?, r: J7 M. R8 t$ i ]. W. Y- g end;
+ n4 S! G; y9 `0 s (2) while <condition> loop1 l9 W4 u; R$ p4 F& Z7 h
<statement sequence1>;
( T& J: u$ |8 i end;
9 C& l( [! _% d9 g (3) repeat " H. c4 t0 W# D+ j
<statement sequence1>;+ I+ W/ Z5 k: X1 K ~4 t, ]. e ^" H
until <condition>;
0 M7 O7 Y0 {8 k, y (4) for <condition> to <condition> loop3 D' g: v; f% U2 y% M6 B& y7 E
<statement sequence1>;
2 t% S( A8 H* {7 c& v3 i+ W next;
5 [" n: r8 _- K9 x/ L3中断语句. I6 b0 y% i/ a" _
waituntil <condition> prio <integer expression>;
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以上为常用的函数！* g/ ^+ M* h, ?3 o6 v
还有很多，如有需要我把资料发到你邮箱里
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