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发表于 2012-11-13 08:48:12
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1判断语句
) S; U2 m2 O' n& `; } if <condition> then
1 p$ w& j: M" w6 y+ O5 m6 M* ~! z <statement sequence1>;5 F7 E0 C. M9 Z) @1 G
elseif <condition> then/ e+ z# _ R/ S7 I
<statement sequence2>;+ G. g4 @( s/ c) E5 Y* D
else
8 p2 w# Q/ Z ?5 e& g( V; G" I" h <statement sequence3>;
4 q+ [. M- H! U* M4 M0 w# l. } end;( t$ z5 m# o9 h
如果分支比较多，用：0 W7 H# P/ B" G" q4 t3 t! Z* _
inspect <expression>
1 o1 L, J) J3 S3 A when <constant_list> then
: k V$ v! A5 J+ B <statement sequence1>;* h, ]) v% `5 V9 M8 [
when <constant_list> then4 P8 L7 e6 L; j3 R6 U
<statement sequence2>;
% G) c- S6 r0 {: f7 d4 l: j- _* Z0 e ...
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<statement sequence3>;
# A0 T7 F3 S: B9 R: T' b( s. f% `* Xend;- S) V/ b" B; [; J, T+ y* F* A
7 q* n2 [9 F1 `4 o, ^# q2循环语句( M8 _1 q) i0 f' ]; f% d( b; m8 A8 G
(1) from <statement sequence1>/ F& J! J9 E6 \; G) p! s
until <condition> loop" T$ G# `1 {3 U' ]. u7 [6 C7 O
<statement sequence2>;' _( U' {! K& f
end;
- D/ F6 g6 h4 {9 b3 W (2) while <condition> loop( g" T, G% m$ A* k, v
<statement sequence1>;
7 j0 @$ n9 C0 o2 x0 D2 V7 Q( m end;
4 L% A& g b- o, p (3) repeat # i/ f. D0 W0 J! k# ^" C
<statement sequence1>;5 P, T/ Y# b M# M
until <condition>;
$ F4 ]/ F p# W7 E (4) for <condition> to <condition> loop
% A5 y$ z% j: W) v P <statement sequence1>; t& p' O. b. P9 P( ?8 R
next;
( D8 L" l- q/ v4 |- o! n |3中断语句
- [) F/ w' a4 Q4 u, T3 W0 z6 c4 O waituntil <condition> prio <integer expression>;
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# ?8 Y( Y$ y7 F. V. b; l# B5 t( R以上为常用的函数！% N6 o4 w8 b, v8 C
还有很多，如有需要我把资料发到你邮箱里
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