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发表于 2012-11-13 08:48:12
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1判断语句; o# i, t j; e8 C: z2 G
if <condition> then
2 Q4 |7 G) {2 S+ y <statement sequence1>;* E& n9 @; D* s; R( J. S' z
elseif <condition> then; d' b* r1 z$ I0 `/ O6 z
<statement sequence2>;$ n2 C: B4 M, {; r, l3 c* D
else
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如果分支比较多，用：3 I( l) j4 @/ ?
inspect <expression>7 R2 q6 z! ~8 ^, ?6 M$ c$ M2 s( P
when <constant_list> then2 x7 a6 k: \* a. m0 `4 z: n
<statement sequence1>;; |: Y% w& X% ~
when <constant_list> then: C& M, u( ?# f# S$ m) }: H$ e
<statement sequence2>;% n/ q# C9 o1 L I4 s1 }( H
...8 @7 i0 y3 C$ b) j9 K! g: S
else+ c1 J) {8 i9 s6 z6 X- T
<statement sequence3>;
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2 ~: y+ T9 |/ f6 c* V( S7 s+ ?2循环语句. R2 [9 m* }0 P; v$ Y# Q3 L
(1) from <statement sequence1>
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<statement sequence2>;
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(2) while <condition> loop
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end;
0 I7 y: x; i$ I" y (3) repeat
( {1 p; ~5 q1 m) ^& V <statement sequence1>;
1 R/ a h5 \- q. o8 R; _" W until <condition>;
, c. w, @0 j* u (4) for <condition> to <condition> loop, Z2 q- e+ y2 A2 f, f7 [8 H
<statement sequence1>;8 ?8 T+ q9 r3 C( Y1 v3 W9 [/ W
next;
7 l4 Y1 T& E! `; _8 G0 J3中断语句
# C s9 d$ R+ f8 o/ Y( ~. O waituntil <condition> prio <integer expression>;1 x1 _) c8 n v
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以上为常用的函数！& \0 _4 `* S$ q# V; G" J8 B
还有很多，如有需要我把资料发到你邮箱里 9 p- C$ o2 U9 U' _/ w
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