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发表于 2012-11-13 08:48:12
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1判断语句
+ X- }2 W3 G; { if <condition> then7 a7 P2 {. ~( ]+ I* h/ i0 f
<statement sequence1>;
! V* J# {. d9 p% u elseif <condition> then
0 Z' b0 `; ~( X `4 t <statement sequence2>;
& h* @, V# g6 u" c8 q else
9 R- n% T- B, t% Z; g <statement sequence3>;
6 o: q4 r( N9 |) { T, J4 p9 F: X5 W end;
; q' V3 W$ M- r4 Y如果分支比较多，用：& r5 J; p- {: ^, x. c2 e# u
inspect <expression>
5 j- ]" W g8 u& _; C5 _( p when <constant_list> then9 V1 p; P) w* r) q9 T' I J( h* X
<statement sequence1>;- M9 Q4 g0 _& d
when <constant_list> then
: c3 Z: `6 [% W) x0 u! ? <statement sequence2>;
5 a' w# a, i2 q5 R8 O ...
( n# L v) x& [( K6 t. I else
, ^; }6 {+ n) {( D4 `, A* Z <statement sequence3>;; V; F' K0 J. I$ f( X$ a0 n
end;9 Y; h8 L6 H8 P$ x3 b" o
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2循环语句, Q% m9 _8 k1 g: z8 P& o( C) j
(1) from <statement sequence1>
x9 s# l/ e- E4 L# G1 I4 Y' W9 b2 u4 B until <condition> loop0 M7 K- a6 M' }, |: N' k* J6 s+ x
<statement sequence2>;2 R8 f" Q, e: y
end;1 t* h$ v8 C+ M4 W
(2) while <condition> loop W: S+ q X% t2 p5 _
<statement sequence1>;4 q {+ ?, U3 X D9 n
end;
0 I P2 f, T; P- s' J+ Z! X x M (3) repeat N* j2 |2 t f2 `
<statement sequence1>;0 |$ }, h0 b, V% Z, d
until <condition>;
! ^+ N% m, G6 _& q' I% t (4) for <condition> to <condition> loop
4 {+ N: t! L2 f/ j5 R# E3 S: u <statement sequence1>;
a6 ?; l4 V# S0 ~ next;- C8 ^# }, x. c0 u* L
3中断语句# p; N- @1 g8 b( p
waituntil <condition> prio <integer expression>;0 x# `6 a8 v& x" r2 \7 f) J6 ~" C: G
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以上为常用的函数！2 X! R5 Q; v( |. N3 c" Y# B( R
还有很多，如有需要我把资料发到你邮箱里
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