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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
, P# h9 z; f/ I2 W+ p if <condition> then
% S9 B; Z; F0 k" p! Q% _- w5 j <statement sequence1>;) [! `. T% `' O+ B# ?+ @
elseif <condition> then
- H" s! [) x% a( y" T& k <statement sequence2>;9 ^4 y5 b. U; L$ ~* B
else + h' Q1 i- e! u* R
<statement sequence3>;
$ K! Q3 r% E6 H4 t; u end;
6 F4 L& [( f# h4 C' `/ ?6 G如果分支比较多，用：
2 m. y+ l6 J" o; {' f6 {, r inspect <expression>6 x/ r% n0 C C; D) g
when <constant_list> then
* A. D$ M4 D! l$ }, t. t <statement sequence1>;# b. m f/ r9 ?0 R# i$ @3 h
when <constant_list> then2 K5 v2 f+ c) Y$ k! X! \" G$ W
<statement sequence2>;
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else6 ], i* |" e) e
<statement sequence3>;
" E4 i4 V9 z$ V: K% F1 Bend;
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2循环语句
7 c& M S1 v7 ? (1) from <statement sequence1>
) p% g5 E# |, B/ D" k/ a/ G until <condition> loop2 |9 k1 L. H |
<statement sequence2>;
2 `3 B# p" K+ o, G5 a: f end;
' ^4 d" j: W- `; J5 c5 E (2) while <condition> loop' H: P4 {8 g4 |5 D8 ]4 P/ c8 f
<statement sequence1>;# u+ }2 c% B4 |
end;
2 C$ ~8 t7 n2 P$ }9 ] (3) repeat
( k& `7 M' K0 O, d3 y <statement sequence1>;
3 ~, i5 e- R: Y ?7 R% v! J& ] until <condition>;
9 K `# O3 n7 f8 a7 |! O2 v (4) for <condition> to <condition> loop8 E+ I( f1 S1 t# l6 y
<statement sequence1>;
+ j3 u- V$ t% T4 \& A next;
0 k: V# [5 S+ z+ g7 j3中断语句1 @& V8 o* Q; I2 s0 i( p3 b7 F
waituntil <condition> prio <integer expression>;# z+ C% U% w, P+ F
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以上为常用的函数！0 r4 e$ C8 U* y" s7 @: W7 U2 M1 s
还有很多，如有需要我把资料发到你邮箱里
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