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发表于 2012-11-13 08:48:12
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1判断语句3 Y4 j: S7 s& X6 |' ~# k; m2 C
if <condition> then
' d$ g r- {$ _8 j5 b; x <statement sequence1>;+ ^5 E# I9 Z: Z* p4 [ H w1 _2 e
elseif <condition> then2 V- Z" A& o, C% M" _; K
<statement sequence2>;2 ~ o* O" [/ h7 _9 o( Z0 ^/ Y
else
- M4 G; y5 i j5 \% S2 A <statement sequence3>;- S w! q9 D5 W; B5 J
end;
1 D( U2 z( G) R/ C. L如果分支比较多，用：
7 P1 \8 w; l0 d) t inspect <expression>
- A* x$ k8 q2 v% y- W when <constant_list> then
7 Z* q/ ~: V5 x4 L4 I <statement sequence1>;
1 o/ l$ L5 Z; _! D$ Y2 [ when <constant_list> then4 _: I7 l* i6 n8 X6 _1 k
<statement sequence2>;+ L( R9 o3 }" Z; }8 V& @/ d
...
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<statement sequence3>;
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+ \+ _4 P1 Q: \3 ~3 ^7 h2循环语句3 M6 B; e- f, p V
(1) from <statement sequence1>' S+ k5 ~0 g+ m) k5 V6 \
until <condition> loop
7 Q4 R, [/ Y( p3 v; f# _! v' n' w <statement sequence2>;1 ^! v: y. {# Z
end;
- U* v" a% h+ j9 p6 k& y (2) while <condition> loop ~7 e& S' P2 }3 x. Q/ @4 i
<statement sequence1>;; L% o. K3 l4 [; Q8 P5 }1 c
end;5 L4 ]" N, r& f. c% e; ]
(3) repeat
$ R: D) f: D/ r* E; L& D" Q <statement sequence1>;
; J8 `5 D7 Q$ _; \! P& u, {( Z q0 I! \ until <condition>;1 O5 ^- _1 _! g" [: `4 `& E+ q
(4) for <condition> to <condition> loop
/ U) H0 |. ^) { <statement sequence1>;0 S4 f) {9 c1 U; o' B
next;- @/ q( g% v# s: b0 o
3中断语句& j& ]/ L0 W1 o; f
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
" T- b M8 L I5 ?# k" D! z6 w7 {还有很多，如有需要我把资料发到你邮箱里 , q: f8 ~! A: `) H! \
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