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发表于 2012-11-13 08:48:12
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1判断语句
8 N8 A" N& x; |% { if <condition> then9 Z; E/ d, B& K" b. M+ i
<statement sequence1>;& @) {' k- V7 o' c
elseif <condition> then: Z2 g U7 \ j. j0 H/ v7 I
<statement sequence2>;
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<statement sequence3>;
& g1 z' ]% C$ h4 K4 f7 h" ?' o0 z end;
+ q: E8 N& U7 C如果分支比较多，用：% T2 P! t; h$ ^$ i$ i
inspect <expression>' c5 y0 P# z9 z% w; u4 o% F
when <constant_list> then( s- Z% c* }8 [! b+ H
<statement sequence1>;! u6 f0 u. g i2 r+ \2 [
when <constant_list> then( t+ O# u' c5 Q4 ?
<statement sequence2>;
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else$ i: i' [) d/ d3 W" l. T
<statement sequence3>;
. o1 n {. }+ [; ~) f5 fend;
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2循环语句" s1 L: |3 N1 p
(1) from <statement sequence1>) E! Q; l; K* y9 g! d$ o4 e7 Y
until <condition> loop6 S! p. W) A% u9 g& `9 j) o5 l
<statement sequence2>;( N0 A4 Y* C8 p5 f( M+ ?
end;: R2 q# `6 |" c# Q
(2) while <condition> loop
& A- j5 W7 `" ^- R/ V# y' r: }: O8 W <statement sequence1>;
8 N: W# Y% E3 w! P0 Y* ~; U$ M end;
/ a" k+ ?9 C0 {! i3 f1 q8 b; ] (3) repeat
+ k* A7 K: h$ T <statement sequence1>;; G* X, X5 ?6 P. G+ t
until <condition>;. a/ w0 B8 ~) |
(4) for <condition> to <condition> loop0 M( i% K8 x2 {) i2 V
<statement sequence1>;
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3中断语句- U5 ]4 D& {1 }: e
waituntil <condition> prio <integer expression>;
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: v$ o/ U+ T* V2 m以上为常用的函数！
) Q+ q- ^3 d# p- `2 g还有很多，如有需要我把资料发到你邮箱里
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