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发表于 2012-11-13 08:48:12
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1判断语句* i; q6 }# B/ j" u4 r
if <condition> then
0 o4 Z- I" M- [3 m4 p6 t% k <statement sequence1>;. M, \( U8 e( B5 r% ~
elseif <condition> then
$ S- g/ F0 g0 o! s( C9 t3 l <statement sequence2>;
* O5 J$ k* o. g! D: K8 z f& t* I) ` else 8 M% U0 \( ]) G- Z8 d) l
<statement sequence3>;
; D* v [6 w0 A, f; @ end;
9 h4 I$ A' O4 b# O( S/ J; C9 P如果分支比较多，用：- f/ W$ P3 f* [5 n* a: k6 f! R
inspect <expression>
/ ?, S6 k3 R5 U2 R when <constant_list> then
# R$ S/ Q, g+ H( X <statement sequence1>;( e3 T4 m6 t. s7 @0 }& N
when <constant_list> then* B/ k& v- j& g+ f5 h9 |
<statement sequence2>;* n4 h* E/ l, R8 i2 D; ]' }! R
...* ^8 |( \' W5 C# m
else i0 T" P$ ?& J' L0 r
<statement sequence3>;1 k8 `! X* [! k0 w9 B) O
end;2 L: B- b- [8 ^- r6 {2 q
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2循环语句' K& i& Y& E! b) X1 h w
(1) from <statement sequence1>( S/ C: l( H* }3 E
until <condition> loop! D6 B s; H) k9 g
<statement sequence2>;
& `( W3 @* L% s$ |4 w" P end;
; A+ t8 \% i9 f; G (2) while <condition> loop' b% y) o, h. W$ n
<statement sequence1>;
. K, n+ ]2 F. i9 s" k) w; j end;. M8 m0 N* @5 ?, a/ ]1 m0 }7 S6 P
(3) repeat 7 J5 b5 ], a* D; q6 c
<statement sequence1>;
. z. [8 t% F6 i4 g. N6 g8 j+ r until <condition>;. H4 N" B: Y1 Q2 L: A
(4) for <condition> to <condition> loop. X( c' | i" k6 Q u7 l( J" c
<statement sequence1>;7 n2 q9 k5 ?' i& Q% H0 h$ T g
next;, T; w" h' {7 e; b4 D/ @
3中断语句
4 J* \$ v- P- k1 w5 ]' ] waituntil <condition> prio <integer expression>;9 ^/ G) ^$ d, Z
$ e8 u: G' ~& M: a' e
" d% P: F/ }# C, B v$ F, ]
以上为常用的函数！
( w/ s5 k6 z9 w0 S2 A2 v' {还有很多，如有需要我把资料发到你邮箱里 1 D0 H2 z0 a* ?! O3 K
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