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发表于 2012-11-13 08:48:12
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1判断语句
" ^" v( J6 L. f {3 s& C if <condition> then
5 h. x( I$ b& F: Y2 e <statement sequence1>;
4 x) s- q% F( M% [ elseif <condition> then
m' r' X, k5 v/ c s: M6 H) v% _ <statement sequence2>;
5 m$ I5 |- z/ d3 |( R4 ~; u else 9 U: S3 C& S9 ^* z; `$ J
<statement sequence3>; c3 u. C' f7 Y0 M+ v
end;
+ i7 m. J& \4 u( k- g) @; D如果分支比较多，用：" u, ~* i# r- V/ V r% h" U
inspect <expression>
; G8 G7 E; M) V: I+ _0 u when <constant_list> then: M; X( c: W' N% i1 Y1 N. o
<statement sequence1>;
, i7 }' h0 n% G% i; ]: x) f' \% c- Y when <constant_list> then# a- b/ q4 [8 ]1 x; ^% N
<statement sequence2>;& A/ e3 y8 y: e* B! t
...* I+ B, |* p4 E# f! E
else/ \9 l$ W# B5 x/ y4 }
<statement sequence3>;
9 K/ |" z6 u$ }) e; }end;
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9 C( W8 ^& V6 `& g+ r2循环语句
# j, P/ B, Y9 d6 C5 x L (1) from <statement sequence1> G, x, m6 J9 {
until <condition> loop
# Q0 I+ `5 w. a5 q6 ` <statement sequence2>;
: m( z! ~$ h3 p4 L) O- M end;; R8 W3 q, ^' e7 _
(2) while <condition> loop
9 g2 i7 f, Q* U# b G0 s6 P2 y <statement sequence1>;
5 Z7 ^3 R* q1 F4 Q. } end;1 x9 D: X5 ^6 u0 H' j
(3) repeat
8 B3 _8 x4 _; X5 H# a. ]) k- z <statement sequence1>;: ^. m( X+ A1 W2 P1 d9 w. y
until <condition>;
5 p4 e8 }% }" Q) n: E1 Z5 h9 B$ n (4) for <condition> to <condition> loop" R/ j9 I3 y5 N! q: s' ^
<statement sequence1>;
2 s. \) x$ J* p* U( \2 Y i) l next;
( U) [2 c! d% \& h6 L1 @6 u3中断语句
3 D0 V! L! z% f3 L! P3 D% Z waituntil <condition> prio <integer expression>;
. {/ \5 K1 {( f1 `% X, Y/ R- \$ b" g* w9 b. x
% D9 |: B) e& [
以上为常用的函数！
& R3 B( {7 q1 F# K8 g还有很多，如有需要我把资料发到你邮箱里
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