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发表于 2012-11-13 08:48:12
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1判断语句
* e l: d9 ]6 J2 \ if <condition> then
. D% l4 [ a, ~3 a <statement sequence1>;
3 ^5 k" r" R# N$ M elseif <condition> then
; Y, _. v0 p6 W: l( h8 ^. n9 a- ?5 d5 a <statement sequence2>;* Z' c& K( E7 T0 Y7 X% M
else 0 `: v! f8 H0 b& r% j8 _% ]; ~
<statement sequence3>;1 u7 Q- W( x9 ^3 ]# T
end;& p' ^0 b7 m2 j# A; F4 H @" H
如果分支比较多，用：; q! l# G+ \2 J: `" S" J( H
inspect <expression>8 J# a6 L; a: D+ [$ [
when <constant_list> then$ i! C3 @0 a0 J- N
<statement sequence1>;
% z/ M' L8 [$ O, g: N when <constant_list> then, F Y T# ^ P; m7 w6 _
<statement sequence2>; o( Y+ ~ V2 h- ?
...
% r: g8 G* s; H9 _' Q else9 H4 Z7 v3 l8 Q* q# Y$ b* Q
<statement sequence3>;
+ ^5 u# v* j2 ?* b+ u- Q& Cend;) B: Y2 c% w( x& Z
5 D$ c; p7 R0 E$ U- H# \0 F2循环语句8 ~2 H9 r9 E$ j3 X
(1) from <statement sequence1>( \ Z6 a# I& }
until <condition> loop2 N t6 ~6 e( q
<statement sequence2>;
3 D B/ ?! U5 w3 |' E' } end;9 t, N+ v/ c- G7 C. u
(2) while <condition> loop% B# }5 |! W$ c
<statement sequence1>;
$ b, A3 ]& ^0 x0 M) m2 G end;
7 F, O% C2 j7 {: D (3) repeat # g$ y9 U* [; F2 O# \0 b
<statement sequence1>;& M6 x, s. q& o% g5 V0 B& [. { U$ T
until <condition>;: @ h' t c! v6 Q+ m! d
(4) for <condition> to <condition> loop
6 s3 U6 y* u C* t0 s" R# w2 L <statement sequence1>;
! [" t/ C$ x1 w' ^! k( P next;
2 ]) F9 l- \4 K. F3中断语句, P2 _; i- h4 {/ d) C( |
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
& k. q: _& ~; v7 _还有很多，如有需要我把资料发到你邮箱里
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