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发表于 2012-11-13 08:48:12
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1判断语句
5 g& L$ h8 _0 f" x5 }% m5 }' { if <condition> then1 ?. K: o w; V' k# P
<statement sequence1>;
. `$ X* C4 O- X: R# p elseif <condition> then
- a9 A C: [; k$ L1 s# N$ H <statement sequence2>;
# E5 L' P6 j. A' D( R# | x else
P9 n" n b/ V$ t& I# t1 q <statement sequence3>; B j( I5 M& [6 ]) K( d# x+ f
end;3 D+ K3 f6 R* j7 |( \& q/ a4 l
如果分支比较多，用：$ S8 C, `( ]& c$ U! q
inspect <expression>
( s$ v4 C9 ?, Q# Y! J, G when <constant_list> then% K: N( q' ^2 c8 I' x$ ^
<statement sequence1>;
$ S5 W+ n0 [4 W when <constant_list> then. l% ~4 X) A. X# Z
<statement sequence2>;
; m5 U7 N4 ^6 F. C8 T/ c8 N' h7 c ...
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<statement sequence3>;
: \7 S4 i7 P/ M8 r$ u$ send;- m) W$ W a. z
# n; H- L5 ]' o; h \4 w
2循环语句) D( t: @1 T; D
(1) from <statement sequence1>, r! ]) |2 a3 e
until <condition> loop: P! H2 W: k9 y; O7 v7 ]7 |
<statement sequence2>;
+ O' b1 @' O3 R! Y: G end;9 r2 u, @, ~2 C3 Z9 d$ [2 a5 c! @* P
(2) while <condition> loop! c, ?% \' d! j4 O
<statement sequence1>;
8 Z8 L) t6 l& P* f Z; ] end; U4 L: o3 y/ U/ y; F! {5 S
(3) repeat
2 U1 E' P7 {2 w3 e7 O' W <statement sequence1>;
q$ @9 [4 U2 Y- w# b$ R until <condition>;" h* h! e& d8 j9 u: h+ r5 @
(4) for <condition> to <condition> loop1 y3 @" o+ p; [7 `
<statement sequence1>;6 I# S3 U0 W9 l, N# K* X
next;
4 v; b$ A. m% r5 Y; I! l8 n3中断语句
9 N' s3 Z0 y8 u3 m" d7 N0 H- E waituntil <condition> prio <integer expression>;
& y, f7 i* _' ^; N# {1 M
$ e% b4 s- k9 z4 k+ ]' a! n% r5 u9 }& M
以上为常用的函数！9 a9 n4 d9 P; d( u" [+ a0 `* p
还有很多，如有需要我把资料发到你邮箱里 # `% p- J) y! f# r3 `
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