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发表于 2012-11-13 08:48:12
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1判断语句
* i9 o: Y/ s( U' k) I if <condition> then
. }2 X( Q4 z K3 { <statement sequence1>;, e5 N$ ^: y3 e9 d& W7 {& q
elseif <condition> then. w. m: d0 X! g0 j% F
<statement sequence2>;
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<statement sequence3>;. H2 [ n" Q) p% ^6 ~
end;+ E$ m+ U3 }, E8 E# r
如果分支比较多，用：
, a7 G% d" a" q8 u/ }$ [ inspect <expression>
9 U6 n2 I( Q0 D$ K) \7 H1 B when <constant_list> then
/ x& n# T: ^2 ]# j <statement sequence1>;
- P# L: S: W+ T# z when <constant_list> then
1 U' }$ C& f; ? <statement sequence2>;5 W' a( f5 x& I
...
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<statement sequence3>;
' t3 U4 J) a( Eend;$ u1 k. O$ e+ p- L! m' K2 v/ h
3 w& R' h- n& r# ]2循环语句
/ R- [3 g% a1 P (1) from <statement sequence1> L0 o5 U9 _- V# Q# `* x0 p( k4 ?
until <condition> loop5 c: n$ e( x2 t9 E
<statement sequence2>;
1 R/ z" ^+ N9 K! y end;
: p/ p b4 y- [) O' q. v (2) while <condition> loop
* _/ R) |5 q+ y <statement sequence1>;
3 Q0 _# E4 B6 f" u end;
) J# Q9 x) g) G5 ]9 U (3) repeat ( b" \( |( D7 V9 K% t7 G
<statement sequence1>;' l c, E" Y9 z1 ?/ f# [3 j2 T
until <condition>;
) f9 e" [! s- m1 A6 z8 s( K (4) for <condition> to <condition> loop
+ X& A2 i7 p0 E9 g3 P, G) t <statement sequence1>;$ y; v; C# ^0 ~* d
next;: n) i$ Q$ u; J M/ p( f
3中断语句+ i) A F; _& W; h) F# v& v
waituntil <condition> prio <integer expression>;
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1 j6 \; z: w6 Z) s3 m+ H以上为常用的函数！
9 M+ p' _5 W3 {0 {还有很多，如有需要我把资料发到你邮箱里 9 l* i. m8 M2 A" X6 @
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