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发表于 2012-11-13 08:48:12
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1判断语句
: Q) I, z5 Z+ k6 Q: l' L" t$ D if <condition> then
d( Z9 w8 L' ~ <statement sequence1>;
% q/ _5 I* x& R9 n, Y3 r' ?$ L3 n elseif <condition> then0 V' Z5 W& S. G3 q: D7 U
<statement sequence2>;
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<statement sequence3>;4 n7 ], m4 j4 z5 t1 B- f) C' B, x
end;* x; V _# b6 E9 q- o
如果分支比较多，用：
2 P+ O' o! ?& D, d inspect <expression>
6 j P3 f1 U3 y" k( l8 n" p [1 F when <constant_list> then0 i X" h5 u2 E% A
<statement sequence1>;
% b! P5 y- z; F8 q when <constant_list> then( _) [$ w, Z8 r0 C1 w
<statement sequence2>;$ i, @6 L9 O- S0 t
...
! _/ _3 }8 W# f else
3 w1 E& h" Z# d, a7 J7 V) Z% Y. e8 R <statement sequence3>;
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* }5 u4 f o0 J# e2 v" K* `2循环语句9 B- A7 ^) q$ g) \6 C
(1) from <statement sequence1>
% {$ W* I' Z6 C$ m; \ until <condition> loop: X4 Q' a8 ? d. Z
<statement sequence2>;
" p5 J3 H$ J2 l1 l end;" _% E& J7 m: z+ k( s
(2) while <condition> loop3 g6 @0 {" i$ i
<statement sequence1>;8 \. a# J7 c, }0 o
end;
* d7 l3 {/ s" _) Q. d (3) repeat 5 n8 R, }& Z2 b! E$ \) t" z2 x
<statement sequence1>;6 T4 ~+ v4 s) A1 e" H
until <condition>;
4 I$ d9 c; s' }' H4 {# N2 k" C (4) for <condition> to <condition> loop
! s1 d0 |8 o# A2 H4 c. a <statement sequence1>;( u, K' ?- v0 b3 M
next;! g2 H7 j+ b; u: z0 x x
3中断语句
6 i: }3 A0 y6 Q2 e! G waituntil <condition> prio <integer expression>;
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以上为常用的函数！! R" J1 V# \* B* {: }
还有很多，如有需要我把资料发到你邮箱里 ( r7 {5 j" T4 F/ J' x8 m8 c
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