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发表于 2012-11-13 08:48:12
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1判断语句
) w& {: H* Y+ d9 K; ^8 o if <condition> then* \5 A7 G; {* U/ f7 C
<statement sequence1>;( h4 F7 B5 W# U
elseif <condition> then2 T4 q$ H) I& S
<statement sequence2>;) c1 d' P' R) {0 Z9 p3 u1 Z
else 6 h u- H/ u7 j4 ^
<statement sequence3>;
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如果分支比较多，用：* X# h. m7 {* Z/ x6 p S
inspect <expression>/ h5 e6 s2 ~$ j2 L( `( ]' Z
when <constant_list> then
; x. i% v. ]$ t: A/ J0 ~* C <statement sequence1>;
5 E# e) o& y% b/ r5 \ when <constant_list> then7 U7 n% k; A( G0 }* _
<statement sequence2>;
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else( w) s: x/ f9 W- r n4 _5 Z
<statement sequence3>;
2 @( W8 {0 E8 @5 vend;
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2循环语句2 s$ R: N% B7 ^3 ~9 p; u% ]/ x
(1) from <statement sequence1>
k8 \+ T6 z5 X# J3 H until <condition> loop) S- `6 C& d f% T) w
<statement sequence2>;
6 `& w% o3 t3 m3 U" I. } end;
6 W2 D1 l+ Z1 n/ a3 V (2) while <condition> loop3 e7 {# e, Q; I1 t2 l: H/ l( ~
<statement sequence1>;
/ B& W, Q& h/ g U# Q2 K9 s" U end;
. c3 h( ]) N6 {; ? y (3) repeat ! ?% g; p# i! g6 n- z
<statement sequence1>;% J" z% g4 D2 c. l0 I, |
until <condition>;
/ |, i! h! d! K; I* r5 x: g (4) for <condition> to <condition> loop( G! ?4 q. A" b8 |* u
<statement sequence1>;6 z. k6 j% m* P" c1 E4 b
next;% V2 F/ W% C/ V, Z3 e, F- l
3中断语句' d _% @$ \) P" O+ y0 O
waituntil <condition> prio <integer expression>;2 Z7 k0 H# Y7 l! ]9 C: z
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以上为常用的函数！
* l/ r3 c c% Q6 w8 }/ u; _还有很多，如有需要我把资料发到你邮箱里
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