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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
/ y+ H; T$ r) C8 |* m" ` if <condition> then
* a, H I0 V" N; C# G9 r <statement sequence1>;
" t3 m8 z0 \& Y6 m5 }4 |2 r elseif <condition> then
" a0 a) g% I0 L9 d8 j" j <statement sequence2>;
+ z6 M5 [( E5 _5 J+ o( D, v else
' c. `! V8 N0 {' G' k x1 R <statement sequence3>;$ r5 f1 z! r' w8 x8 n7 Z: A- C2 t' k
end;
# I) s2 }! q" X如果分支比较多，用：) P" t# c+ t: N9 j- N
inspect <expression>6 Y+ d& o# ~ q2 y \ x2 W
when <constant_list> then
f" z; A+ |: {$ F6 B1 P! w <statement sequence1>;
6 S5 N ?/ _0 B" _7 f$ O when <constant_list> then' W/ l! d5 K: O8 i$ H, `+ W" t
<statement sequence2>;
3 u0 H! C# u% q ...
; T9 ?" _8 a2 G5 {4 W) `- F5 o else. V ^* p4 N9 W) T
<statement sequence3>;6 B J# R' k7 c; Q4 d. u
end;
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2循环语句
' I) k9 `/ m3 v( T% L8 S5 v (1) from <statement sequence1>& p6 h9 I9 p+ L2 m `
until <condition> loop; \* G) W8 C# j; H
<statement sequence2>;
3 \& n# j7 |- z$ J2 c( R/ ~ end;
- A$ [( E+ i) F p# M5 ~( p (2) while <condition> loop! E8 K4 U( C% Z% {" k7 m/ U3 ~
<statement sequence1>;
5 [9 Q* T1 }+ q& K$ } end;
, Y, k. ?* K4 Z2 i/ J2 t (3) repeat
$ D9 _+ g& h. g% w+ m% K <statement sequence1>;$ ?- ^& f8 G# Z. m: {! j$ d0 S
until <condition>;
/ p6 J7 M3 ]# _7 F0 R (4) for <condition> to <condition> loop* ?' V0 y& W! h+ o( v6 i- B
<statement sequence1>;
& C* D+ v! C7 T0 h" C next;4 s1 l) z! ~* I
3中断语句
4 U; ]3 i2 ?3 Z$ e waituntil <condition> prio <integer expression>;) s# o% Z# R2 {; Y" X% ]0 J
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以上为常用的函数！
$ a+ F9 S. T: D2 ~8 h还有很多，如有需要我把资料发到你邮箱里
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