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发表于 2012-11-13 08:48:12
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1判断语句
4 e! P$ G1 @8 Z if <condition> then
6 s1 k- e! A1 q/ w <statement sequence1>;* M3 r z$ y0 p) y7 J
elseif <condition> then+ d" g; d* m: K+ ~8 w) ]
<statement sequence2>;
9 q6 c! b; M% d' I8 }& m0 D2 Y else
8 `8 I7 a# [1 { <statement sequence3>;/ Z9 d: \" c: Z1 u9 \$ B' x5 O
end;) E8 ]9 c& a* q
如果分支比较多，用：
9 N- h0 c: {3 L9 L' X+ J. E inspect <expression>8 N6 a& q6 R# V; d8 t
when <constant_list> then
0 M2 o4 E+ h w9 C/ V, m& q1 E E: X <statement sequence1>;9 C( ^6 a+ V) l
when <constant_list> then
1 o# M! \/ f* _* j& r" c <statement sequence2>;
4 c. r+ |8 S# |( D' i ...
# u, O6 T( o0 k4 ~( n+ S else Q# v* F# e5 c! U4 h, c5 R
<statement sequence3>;4 z# k0 R) [5 C) e8 w1 E8 z
end;: K; W2 z. n$ c, j6 H1 e
* C k/ X5 w* i' B) S! U( e; S; W2循环语句
& @ Q8 t4 T( I0 W" r# `8 E0 s& R5 C (1) from <statement sequence1>
/ j% h6 ]; P/ b) h2 d' Y0 r! H until <condition> loop
+ [+ e% b5 r5 u7 u5 @$ _ <statement sequence2>;; ]4 G0 y! z% l @5 M& D O$ s
end;
9 O9 [9 |) S k/ A, N) { (2) while <condition> loop# C4 F- E4 B0 b
<statement sequence1>;% a) H) t/ H' g/ o& b
end;5 G3 B5 K- k, m) ?1 E/ j
(3) repeat
1 ]9 {6 ^4 {; _" [$ A; g' q0 d <statement sequence1>;$ S S5 K" \$ Q. ]! W/ q3 q
until <condition>;
/ l0 i; R1 ]- } (4) for <condition> to <condition> loop+ O! L+ n, @1 a5 G- r4 [. }: v* X
<statement sequence1>;
- _) `- a9 B) O& p next;
3 d4 V% W! U# Y( Z3中断语句) Y( X5 T% _- B; i. \* f d( G& P
waituntil <condition> prio <integer expression>;6 U7 S& r% ^$ A) u7 b- e0 ^
2 G' J0 ~! V: `% A! O1 N1 H2 d
0 z5 |& S. m1 t% M! q# D7 [1 X以上为常用的函数！9 q+ P0 n" n/ {0 u9 M
还有很多，如有需要我把资料发到你邮箱里 ; z8 ?) Q) D$ Q2 x
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