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发表于 2012-11-13 08:48:12
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1判断语句
' A4 Y- I1 Y6 y! G5 ] if <condition> then3 \. U6 O6 j% |5 l: B
<statement sequence1>;
9 `$ W4 B( \8 b) | elseif <condition> then
6 U% i9 c& p$ b; D8 p: v. ?: ` <statement sequence2>;8 a/ a! D9 P0 E- S
else " U/ N/ i5 @# v! ], P
<statement sequence3>;
2 x( K" a" b, K/ A! t end;
; G# W2 V: |) ]! H& V0 t如果分支比较多，用：
$ _$ B4 @% M' e! m6 Y4 X inspect <expression>. T8 D( k1 e6 H( B. [/ b& Y
when <constant_list> then0 Y P) ]4 A1 k# p
<statement sequence1>;
" ]1 p! \) o) y8 H6 O when <constant_list> then# _/ O3 K' e6 M$ V* U$ I1 S% \6 d
<statement sequence2>;, D9 z( V1 \ k: ~. d$ ]
...
" V& f' i& {+ g4 m: R8 | else
, C8 M# Y" o+ u5 c7 u" H( `9 @ <statement sequence3>;
M' \" g! Q/ K, X& l& q) f1 pend;
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4 N: V W- g$ w5 T" i9 g0 \$ i, ^2循环语句$ v8 g+ U+ g; m* m( I2 x* k1 N2 R
(1) from <statement sequence1># |* e5 K" _6 Q& f8 x( r, H
until <condition> loop
9 d6 R: J7 D1 @6 L% g <statement sequence2>;- Z% t+ z7 s B9 F3 H+ X
end;
' ]1 a1 t, Y7 ?8 s) I, z (2) while <condition> loop
, ~8 ~0 t6 L& F5 e <statement sequence1>;' L3 i$ b& a* q R7 i
end;# f9 p2 x% W- O+ o" _
(3) repeat
6 l3 V/ h: X5 C" X' O& X; U <statement sequence1>;
, r* I4 m; E5 x* J& r7 C& d# Z, L until <condition>;
F2 x, o u1 Y1 z9 m1 j* @0 E1 K0 O/ Q+ ` (4) for <condition> to <condition> loop
( N3 u) n* {1 B! v/ O <statement sequence1>;" u; k; O- t8 R* c$ w9 p: V
next;
5 `# l. G* U) q) c& \: b0 z3中断语句0 d! `$ L+ ?/ `$ A: W3 C
waituntil <condition> prio <integer expression>;$ Q* R+ t& p6 b6 H- @' i2 v( D
. o; C/ N" P- f$ V. z7 w' M! V; X5 b+ }/ e; v( }3 y8 o8 y
以上为常用的函数！
% m6 A6 Y6 \1 k. E* `* E- j) Y还有很多，如有需要我把资料发到你邮箱里
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