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发表于 2012-11-13 08:48:12
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1判断语句7 H0 Q% |- J% ]2 v# `, o1 U4 A! D
if <condition> then4 `. z( u. b& z! ~2 ~! i5 G2 ?! k
<statement sequence1>;
3 ?+ l4 g7 w% O( C" s2 m, _6 f. l" R elseif <condition> then7 g+ \/ D5 P# }% b+ x0 Q" Y3 ?
<statement sequence2>; |( D' H4 W9 M, p% c
else 9 _" B! Y. c9 U9 E ]
<statement sequence3>;' Q9 A" w7 e- j$ C( r; {
end;
% R$ @: |& B7 m3 o6 d2 h9 n, Z如果分支比较多，用：
. U& E: V/ s# }3 ]7 B0 Y inspect <expression>
. s5 ^: L: B8 d: Y when <constant_list> then: R5 w1 _& Y3 ^+ @/ g
<statement sequence1>;6 e. U! H9 [, S, p8 w" U$ S
when <constant_list> then3 k& v7 [" I9 F0 r" V: Q
<statement sequence2>;2 O( l$ P) H2 j2 R' g: M
...
7 y0 F0 h3 a: z; S else
" I, e+ L( l, M' e/ c+ d0 Q <statement sequence3>;6 G9 L( p& q1 b% O0 Z6 g. I. O
end;, z c6 A% v( m: P
" W, e- `) f* Q! s8 b2循环语句
8 J( v" M1 E% ]3 W, ~ D (1) from <statement sequence1>; w0 d; o% `1 k$ c
until <condition> loop
2 O. n# b" t/ V" w <statement sequence2>;
* K7 A; f) u& ?. S end;
7 p8 K5 `- ~$ A* U# b# b (2) while <condition> loop6 v% O% z8 m5 S7 i
<statement sequence1>;0 E1 a" {. ^7 \- x, `( ?. g
end;
2 A4 X2 H0 y, X' K6 l (3) repeat
! c. \& a2 O: |2 J# G8 q! X <statement sequence1>;
7 L+ d/ k1 `+ V! b, z0 |- B until <condition>;
% X |, N& D3 L# s& I0 Y& X (4) for <condition> to <condition> loop
1 u/ D/ n8 G4 T4 E- l9 Q0 y: L% }( m7 e <statement sequence1>;
+ A V$ k# h' h6 j. F5 E8 H7 t next;
! x3 j# F! a! q: J' z; T- L8 ^0 B3中断语句
; b" r# F. \' \- ?4 ]* x4 [ waituntil <condition> prio <integer expression>;
. V+ e+ R0 i, @0 C0 k/ J4 Y4 H X( N" i% S4 d- X f/ l' Z$ e
7 [ P+ a0 m$ {1 n& ^+ l以上为常用的函数！8 O7 B1 c0 {: Q) }: m# N' H* m' z
还有很多，如有需要我把资料发到你邮箱里
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