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发表于 2012-11-13 08:48:12
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1判断语句
- J5 |* c" @8 V' n j( c if <condition> then! U$ O7 T0 M/ R
<statement sequence1>;
# G8 l, Y% j( C6 _! o elseif <condition> then
- @: }4 m5 S' x- I- ^" @& h <statement sequence2>;' v0 y7 _% L1 {; ^* O
else 3 R1 E% y. i5 s M
<statement sequence3>;; d+ _7 f7 U8 ^/ |% D
end;7 V+ m1 q% q( ~+ T6 ^
如果分支比较多，用：- T5 k+ T) k A% k9 `* |- n
inspect <expression>
" H) d: y/ q9 X$ h! o- A8 k when <constant_list> then
2 s+ W( D2 i9 V. t% ~* I5 \' f <statement sequence1>;
# s9 y$ W/ b) N ^: W0 q# Q when <constant_list> then
8 h4 s; Q2 J' D4 x0 n- X6 v <statement sequence2>;( l1 i0 H8 I ^
...
$ ^! C; K* b, m5 r; Q4 { else. | d" K4 I: S2 \
<statement sequence3>;
% i1 s9 L( b. Nend;
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$ ]" @2 L4 ]5 l- f' E2循环语句
# i- g. K6 g' q' s+ B! o4 r* I (1) from <statement sequence1>
& p, H/ R. V6 o4 U until <condition> loop
$ ], e$ J& O. y1 ?0 S$ v: l" s <statement sequence2>;
; b. ?: c2 X2 \% m. c9 }8 i T end;) J9 x# f- A: k9 p/ }" |9 y3 Y
(2) while <condition> loop, l/ Y+ l( _6 x) j. x2 F5 j
<statement sequence1>;
5 `; C- ?$ y6 ^. }2 V/ @ end;
& W4 W5 q T$ D% c, i U. e1 o1 K (3) repeat
; {! y' w$ \3 {/ v$ z1 B4 s; k' Z @4 M6 ] <statement sequence1>;0 [3 E. {3 b6 C' u( B7 \( E& A
until <condition>;
; t& |, H8 P" r1 A0 V- r! d6 A. j (4) for <condition> to <condition> loop
% B7 X7 S4 y* Y8 ?. Q <statement sequence1>;+ C( S, b l4 b; W+ ^/ A- y
next;. x! ~, D6 B+ X, @. E
3中断语句
+ p% ]& {* U! N. \) q waituntil <condition> prio <integer expression>;
/ y5 S3 R& h s, B# Q1 m' M" Z j$ h p$ T
' E' \0 C g, C6 u! d* V
以上为常用的函数！
3 s) Z6 F5 G5 W* q5 r0 U还有很多，如有需要我把资料发到你邮箱里 . F6 `; A! u0 R# I) f
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