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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
( s9 o6 N* }" G if <condition> then
3 E; j/ E4 a5 f7 g% i; `8 M <statement sequence1>;
' w3 V" p- K7 i Z" b& t elseif <condition> then
& ~2 u$ i9 ] H$ @; i$ v <statement sequence2>;
/ R0 C! Z$ U: s0 h else ' T7 T5 n. E3 ~5 L
<statement sequence3>;& M5 \" ?/ k y6 s% `
end;
& R2 f& u6 b- i. F( d如果分支比较多，用：
9 K" E& ^5 }" d3 y& ~ inspect <expression>
( c. l/ V" }& r; a3 i when <constant_list> then. D* @$ P1 Y. U. l4 K# n8 a( U
<statement sequence1>;# O5 o% q7 f1 V
when <constant_list> then
$ W2 f4 ?6 A. g4 m# r$ h+ G <statement sequence2>;
! ^) y% j' m6 x ...
+ w9 P# v& z" p7 A else
! @8 l" r$ q( B! @" _8 |$ V( { <statement sequence3>;
: C5 W6 J) t$ n& J7 dend;
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2循环语句
?; z" y5 I2 Y. R6 K (1) from <statement sequence1>
. v. n: D* i* G6 V8 D until <condition> loop f, y- K, d3 ~5 O/ l3 U" w+ p& a3 U
<statement sequence2>;
, H- f1 T& C3 d: X3 t9 G2 h1 ` end;3 L; g8 {0 E1 l
(2) while <condition> loop
# B: H& f- r% r0 P5 M @% `( X <statement sequence1>;
- q+ Q2 `! v7 q& \ end;4 t* u2 S2 v" R9 L1 W
(3) repeat
8 j* D {* s- Z7 g <statement sequence1>;5 J0 o3 S! C- c9 w/ H1 Q" A
until <condition>;% S/ r: v, p- W! [
(4) for <condition> to <condition> loop4 v3 U( |$ v5 p: X6 V* ~
<statement sequence1>;
9 ]& t3 ?# I6 a& t' [ next;. ^) B& J6 ~ {* ]: ^% \
3中断语句5 q% E: B; Y# Y( m& e0 H, A4 B
waituntil <condition> prio <integer expression>;$ I1 m% R; P8 Y
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: }' {9 l- W/ z& Y3 O& `以上为常用的函数！
9 Z5 N* }& U+ i w5 N3 U还有很多，如有需要我把资料发到你邮箱里 ) S% |; u0 }8 V
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