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发表于 2012-11-13 08:48:12
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1判断语句
4 x) b/ Y9 x! c( P2 [; R3 P3 o if <condition> then
/ o( [( C" Q8 X; B <statement sequence1>;
# x) N3 |3 y7 o' z& U ]: O elseif <condition> then) G3 h9 _* a* I: X
<statement sequence2>;- |3 Z1 u6 E! s. `9 e8 l1 x
else - E; n7 [/ R3 C! i
<statement sequence3>;& T4 u( H" ]) u+ i6 x, K
end;
) U5 K i# M x如果分支比较多，用：4 H1 g7 R2 r/ f! y* a8 Z. G2 T
inspect <expression>1 K& @- Z) h% y. W( F4 R: L
when <constant_list> then( ]9 H2 O. H' @: l) u- A1 A# Q
<statement sequence1>;
& ?, K5 R5 \: b' o+ [8 t. G when <constant_list> then
7 u* f2 \8 v) a0 l5 a' y9 D <statement sequence2>;1 U, a0 u# s" G f
...7 C" t* U: B; ]! s0 D/ y
else
- S4 @& [, h1 @4 F <statement sequence3>;& r; A$ K5 y8 D% S. l! r. d- `& l
end; X2 j0 u; u0 C5 p
/ Z0 P. O- P" G! ]4 _/ \! ?2循环语句
5 m* X' B$ W( h, Z (1) from <statement sequence1>
6 K8 h/ M" n& E, e until <condition> loop
, Z+ k3 _. B9 c$ d8 @( J <statement sequence2>;6 z+ o* O9 t8 p( U, D1 i0 [
end;5 S5 G) L, @( F* |; I8 |* |% x
(2) while <condition> loop
2 b* k9 r B$ X' O- Z" ] <statement sequence1>;
1 r& f8 D6 `$ x& t% N" A) i end;
3 U, y' o) R8 \: ?4 M (3) repeat . i0 }# P- b/ }1 O
<statement sequence1>;
% v5 U% L' k+ m/ n until <condition>;8 d; L/ Y& W* _+ J
(4) for <condition> to <condition> loop( U W% X" N9 v0 P
<statement sequence1>;
: Q. P- h$ T3 U5 j5 h% c- P next;) n% t4 |; u* V5 t& a
3中断语句$ t! V. x9 g* U
waituntil <condition> prio <integer expression>;1 d# ^$ c3 n6 z$ K
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以上为常用的函数！( s3 O6 n1 A: }
还有很多，如有需要我把资料发到你邮箱里
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