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发表于 2012-11-13 08:48:12
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1判断语句
5 d) \# T3 T! o" x if <condition> then7 _7 k' I; c+ h) c# \) E
<statement sequence1>;" O2 P+ r6 A3 K- f# t- W
elseif <condition> then" V, M3 m2 u% H% V; d
<statement sequence2>;0 B/ b6 n: P( p$ i+ |% V
else ) e( w ]4 _; q9 D; Q' A" z; X0 N; J* p
<statement sequence3>;' f: m4 R2 `" Y+ |: I
end;
, c+ m4 ]* k' v4 J如果分支比较多，用：& K$ q' X" h) R
inspect <expression>1 m/ R( X! L% C
when <constant_list> then% f9 d& O/ R1 Y. _* a) e/ s5 N4 t) l
<statement sequence1>;0 l6 b$ e. ~+ h* ~' W6 ]
when <constant_list> then
" ]* z. L# a9 F; H, j. ? <statement sequence2>;
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else
: j+ m/ m8 j1 T6 A0 b <statement sequence3>;1 q" n& }& M. q8 F2 _1 u# s! J
end;
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2循环语句
9 f ^ m K2 z4 s( x (1) from <statement sequence1>
0 k2 a7 W% l7 h) d7 }/ { until <condition> loop/ e7 S. Y3 v) u5 T5 O2 |4 S
<statement sequence2>;2 r6 A6 K6 C' N. }
end;
, K5 c$ _. N% B2 v (2) while <condition> loop
7 e. X: ~2 i" U2 M; J <statement sequence1>;! i. n. |4 T! s7 N
end;
! S3 z/ a: ^" I7 `" P; ]; |, r (3) repeat 8 O2 N6 I) N8 D* A6 M
<statement sequence1>;
+ F8 i1 c. ^! y- w# U+ l until <condition>;% q3 P" E! Y+ S- x/ K, A: s
(4) for <condition> to <condition> loop
3 g3 m% I6 h" o( P <statement sequence1>;) q$ \" x! O. }9 m' V
next;( E6 g; W* Y; p- ]" \1 A
3中断语句; p/ A+ m4 u) E0 O7 H8 z7 l
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
# g; p4 b* f5 t7 p8 I还有很多，如有需要我把资料发到你邮箱里
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