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发表于 2012-11-13 08:48:12
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1判断语句
2 m5 C' z) r# T8 u3 `9 P' [ if <condition> then! d8 b# f. Q- u- z* A7 h( o
<statement sequence1>;
4 e$ H5 H, k5 f; c) o. p elseif <condition> then
7 K/ ~' I: y- j2 d! R% S4 [ <statement sequence2>;, l9 C( }9 s- ~; l$ w% f
else - K/ {! }6 P' A% _$ E9 {+ M6 J: k
<statement sequence3>;
) q7 A% f" u* i5 b$ P0 K- c3 x end;
8 _3 ~/ Z& _$ z I如果分支比较多，用：* r$ m7 ~+ M: G0 ]; ~: B
inspect <expression>4 J6 F# C5 P4 q# z Q
when <constant_list> then
- _8 \, k1 L! v: h <statement sequence1>;$ m3 V! j% ?% P, }' T
when <constant_list> then
) H) R+ K4 B8 G" y. P2 w) P <statement sequence2>;7 d" V8 k6 m; ^/ L6 f9 m0 f' \
...
8 g3 v: z @6 {+ u" B else, N- `/ q8 g' I. R* Z( a' Y/ R
<statement sequence3>;
7 H$ t% F- ^% h9 f* l6 u: Rend;
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2循环语句. D1 A9 B6 B( A/ S
(1) from <statement sequence1>$ F+ w" r+ L$ j
until <condition> loop* }8 Y/ m0 ~0 l9 E& }/ G$ u% y3 T' [8 ?
<statement sequence2>;
- h/ ~" L' Z( B$ u% G% n1 C7 T end;
) ]! u J5 o9 _& [% v3 Y; H (2) while <condition> loop5 J6 ?, R3 N9 }, u, U
<statement sequence1>;
/ f% D" p7 D" ]. ]8 \8 w end;
4 D, \: b3 g* c& h* C( y (3) repeat
* u& C5 m; B/ S! B8 U+ p% l6 o <statement sequence1>;
8 @+ e0 p/ h3 Q0 l/ f5 E8 E& g/ N' s+ ?- y until <condition>;
8 r% N" m2 M- ~' Y4 i2 V (4) for <condition> to <condition> loop1 L2 y; a$ A( n+ g& i) P
<statement sequence1>;# ^' E- y, U! \
next;
7 {8 h7 k. p. ?6 D5 P/ x( Q* `3中断语句2 T& N+ ?! n/ G: }- ~* }$ M
waituntil <condition> prio <integer expression>;5 r6 S4 d t8 H8 z: Q
5 }- B* X1 X+ i: I# R; p U- p
& J& W/ @' T s/ U! Q3 I3 M以上为常用的函数！! `/ B/ _" E! l4 ]
还有很多，如有需要我把资料发到你邮箱里 8 z2 p; s% k* M/ o5 |4 L
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