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发表于 2012-11-13 08:48:12
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1判断语句3 _9 l6 ^2 d/ j* ]0 a+ Z$ ~
if <condition> then
$ B. N3 i% n, `+ V <statement sequence1>;
, d) A- C# ^7 P/ r elseif <condition> then* V- I/ i/ e( p3 l9 w8 d0 L
<statement sequence2>;
" ^' {, z% g$ [4 T/ z$ A else
9 }' G; V H7 j0 G7 Q# B <statement sequence3>;* r5 ]/ Q+ I: m% u$ G9 r
end;4 h0 |3 @& D) A& ]* n
如果分支比较多，用：
; N: Y. d( _3 r7 q* _- r inspect <expression>
( A) X* [9 s! H4 r( A when <constant_list> then9 Z; i0 Q* E0 v# E0 q
<statement sequence1>;3 F+ u/ R U# h6 [
when <constant_list> then* ?) P* g0 W' k5 V6 w: m
<statement sequence2>;
* Y9 Z$ Q7 T+ }7 q3 a ...
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<statement sequence3>;
% l3 Q6 S4 e/ e' Jend;
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4 q/ @) X/ T* p! P1 g$ y5 q: a2循环语句
- x, s" O8 Y' c9 K (1) from <statement sequence1>
% ]& k* m4 B3 U8 _, X until <condition> loop- i9 R6 T4 t( s" x- u
<statement sequence2>;9 g- _% r: Y# `
end;
# K, |) @/ V+ h (2) while <condition> loop- `0 ]- @* `8 \* a0 K9 b
<statement sequence1>;3 n7 _5 H0 ^9 e3 p. E6 K( x
end;
& _ X# J, Q' s8 R I3 [( H (3) repeat ( q* m B1 \7 O' Y
<statement sequence1>;1 P+ k% H7 z2 y9 ^2 G/ q- D! y
until <condition>;2 Y. J3 I. P2 y) y- P4 C9 y% o3 M
(4) for <condition> to <condition> loop0 [' D: m+ b1 O
<statement sequence1>;5 B, B0 Y8 f/ a- W
next;
( Z; T9 e; m& i5 f, A# |3中断语句9 z; L& V& N( Q" f3 k
waituntil <condition> prio <integer expression>;
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( @6 [2 C2 A- |! m以上为常用的函数！, p, `$ t8 T5 n' [- Y
还有很多，如有需要我把资料发到你邮箱里
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