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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
5 _$ z6 U+ z$ W) c if <condition> then
, W" c7 r' I/ Y5 }; b% M! r <statement sequence1>;
' D3 y3 @' X" z; y% B- l9 C elseif <condition> then% A1 X) ~2 N2 c; n0 v7 R! A6 w4 N3 z
<statement sequence2>;
- k0 w* o/ a: \+ a) q else # I1 [7 t7 g! E
<statement sequence3>;0 g1 L( V5 `6 h6 E) V
end;
5 U) H4 h7 t5 H) Q; ~7 X4 @如果分支比较多，用：
2 z) a2 K; l2 D- v inspect <expression>/ h; J+ ^/ i( j; r2 a; u
when <constant_list> then
* L/ }" K9 b) t8 W. f <statement sequence1>;
9 J3 L3 {% o/ V5 d/ _' R when <constant_list> then
8 s+ b( K- c4 Q, G; u <statement sequence2>;% O6 e% Q) x" }. t* U8 l# s
...3 E5 w. w1 X: t' q' S# i- u( {
else) h- _, G0 V' |0 @4 C
<statement sequence3>;
! M) `0 D8 o0 e, | ?" V zend;' A# X0 Q% ?: h. S8 O# ^
5 ^' c) d. ^% E
2循环语句
/ _; j h! |+ I) T/ x/ e& U (1) from <statement sequence1>' n& C8 T" N4 u R1 D4 N
until <condition> loop# y4 A) i2 J* E" I! t! s
<statement sequence2>;
7 x* U# e3 l+ c$ F# }- r7 O end;
$ @3 m. s" S# g1 L r4 |8 W (2) while <condition> loop
$ ]0 r: w X% a: Z. |( d- \: H <statement sequence1>;* f6 f4 e# L2 p: M3 R% |
end;# q2 A7 B& R, O7 P
(3) repeat ( x3 _& R y, L# O( N- H
<statement sequence1>;/ Q$ D" N$ b% N; x, Q- x
until <condition>;
+ f5 N6 i2 [3 _/ x5 X (4) for <condition> to <condition> loop4 h/ }& J$ |+ R5 l: @! a3 P1 V
<statement sequence1>;% ]& X2 l7 {" E6 @* M% a
next;
( j) e+ r( x+ m) h3中断语句4 G. C, P+ Q3 | h
waituntil <condition> prio <integer expression>; _7 _" q% t! j; _
+ R2 w4 e7 S+ ] m2 S7 c U( o6 X7 B0 {- b
以上为常用的函数！
9 p' b# S" X. x8 U$ F3 g2 Z还有很多，如有需要我把资料发到你邮箱里
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