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发表于 2012-11-13 08:48:12
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1判断语句; w/ p* G! e+ ]* `# ~+ w0 d
if <condition> then) s! Q5 X0 i2 [' P+ b
<statement sequence1>;) [' v6 d+ M$ s4 z" k
elseif <condition> then
' |* o: x3 p g$ }3 _ <statement sequence2>;
) ~6 D# B6 _$ `2 b1 x8 B4 E else
6 T- e7 Y: h# w% ] <statement sequence3>;
0 g" C4 S$ H; k u# f end;
/ l- N; ?2 T. e+ s- I如果分支比较多，用：$ Q V, O( g& p
inspect <expression>! ]4 r9 u7 @* u4 B1 V
when <constant_list> then6 `% f. P# V& r; q3 J
<statement sequence1>;
& D' Q" g7 n" H6 G when <constant_list> then g3 F. t E. x0 F
<statement sequence2>;
3 }9 R7 J$ a5 q9 z2 S g ...
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<statement sequence3>;
* i) `# `+ K) h0 v% xend;
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2循环语句) x" {; u& v8 l3 ?1 L
(1) from <statement sequence1>) [: A( S2 A" X A0 ~& Q
until <condition> loop
; }5 h( D1 d4 g/ | <statement sequence2>;
# C a( |* n1 ^+ d6 h end;
( Y2 z% [4 i2 ?+ [ (2) while <condition> loop
& Q) I7 k% p. q9 e6 E <statement sequence1>;
0 b2 P; h7 i0 v' A* v% w( ?4 P end;8 A. U9 q, Y3 ~1 y
(3) repeat . k7 t7 m, Q' y* h) T# K: P
<statement sequence1>;! w4 \! e' z/ z4 ]+ j9 J+ v- ]
until <condition>;0 e2 g' H: B* }; X/ o# Q5 @
(4) for <condition> to <condition> loop
& K7 X; u6 U m <statement sequence1>;
# U _3 e( f0 x- b! N& q; x- _ next;
- R1 T( B& N. b4 c3中断语句" E3 h+ A4 O+ U3 H+ Y! ?5 c
waituntil <condition> prio <integer expression>;' L0 B4 U' u1 l' Q, e" t
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以上为常用的函数！
+ r5 z3 y' G1 Q$ y/ R还有很多，如有需要我把资料发到你邮箱里
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