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发表于 2012-11-13 08:48:12
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1判断语句
' s9 r: P8 J, [/ R& b& O if <condition> then
! `! @6 I- z- L) a( M <statement sequence1>;6 s$ i4 a4 A% ^
elseif <condition> then' R. `0 J* o8 p1 r+ M a2 ~/ i1 _
<statement sequence2>;
; r' Y1 D c3 z- E else
! ]5 R, b# z7 } <statement sequence3>;# z0 l, P" I: \; i3 Q/ [
end;/ P; M8 V/ P& k* d2 v: }- E" Q m* V
如果分支比较多，用：; A6 ?& [( E* D1 o2 o) D
inspect <expression>
. A, }/ R0 R# R$ Z8 R% T when <constant_list> then. l7 a) ^8 t4 E8 X' B
<statement sequence1>;
- d# D: D7 h* g; P when <constant_list> then
9 T3 N3 w& X7 k <statement sequence2>;6 F7 e2 U" ^# a$ [
...
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<statement sequence3>;1 Q+ q0 G$ i7 b# T
end;
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2循环语句
$ [( q7 t( _ U# o1 T (1) from <statement sequence1>
5 ^ f) A1 g: }* ~/ E5 F: j until <condition> loop4 X" Z# z# C7 z2 s6 R" V# s( j
<statement sequence2>;
9 Q4 q9 T' }+ h# J3 O, p' P# @ end;
. z$ P+ [# x# s( J5 S (2) while <condition> loop" Z& ]( C" G% G
<statement sequence1>;: k. @ M& k6 O) Y G
end;
+ E" ~( N' e3 S' {0 ? (3) repeat ( B7 s' Z9 k& d C! ?0 H
<statement sequence1>;4 {, q5 D& x4 y5 d3 D2 F' ]
until <condition>;4 p" L6 Y; J; i: N% ? b) c1 p
(4) for <condition> to <condition> loop
. c" N; j5 t% c <statement sequence1>;* i2 [. Q' l g% t" ]& Y% ^
next;" g. u- c! {7 E7 y' \* |7 ], j) f5 ~& A
3中断语句& ]4 U" a+ d) f( k @6 L% y
waituntil <condition> prio <integer expression>;* n& h0 r0 ?: S1 ]0 d0 e
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; `4 A5 r) w# @* h以上为常用的函数！" G) M6 Q" I6 w& y3 q* t0 \5 L
还有很多，如有需要我把资料发到你邮箱里
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