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发表于 2012-11-13 08:48:12
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1判断语句
0 N1 Z9 C1 R/ \2 W& U if <condition> then" P4 }* ~$ w- Q G
<statement sequence1>;
9 ]% N; ~6 F# L elseif <condition> then
4 h! ], @4 u$ q3 ^/ }5 q <statement sequence2>;
, j7 u: E {2 l. V1 ~# f9 a1 \# r else
$ a/ X$ Q6 g* N) h0 V$ C <statement sequence3>;4 u! s% O/ h- h1 _5 y
end;
9 [3 E/ |0 r: s! m+ U如果分支比较多，用：
6 E& ]' M' p* s inspect <expression># m' ?" m) A: H1 _# S
when <constant_list> then
/ t0 N& f6 s# R) `/ V) `. s0 W <statement sequence1>;/ `5 {) L+ H+ l& [) b
when <constant_list> then5 A# a2 f9 d: P# ^4 S0 c; g
<statement sequence2>;2 c0 y3 n6 _# n! H" a- W# u, w
...
0 l/ m0 h# ~) e+ I else
4 q* Q- G. M! W! F, \ <statement sequence3>;
; i7 a9 M/ n, q- aend;( J2 E) f3 J4 i3 Z
+ ]- B8 D# ~5 [2循环语句
, s" ]2 b' B' \3 c, i! m% V (1) from <statement sequence1> J; v/ y6 y! B5 c |
until <condition> loop
: k2 J3 V0 w- F <statement sequence2>;
6 N3 J0 @6 [! n; b% g$ x end;! R! j2 n* l8 t: A1 t" b
(2) while <condition> loop0 Y. j& i' g ], o
<statement sequence1>;/ X0 Q" q# U! { O \
end;# o$ g! a8 T5 c( _. [
(3) repeat
( J; w5 a: ?! W6 Q% j <statement sequence1>;2 z$ x# D+ B2 ~: F& [0 w& F
until <condition>;9 F) L( U& ^5 b! V
(4) for <condition> to <condition> loop
2 A# ]# ^% j4 a: _" D <statement sequence1>;7 c5 y& V& D9 A, Q
next;
3 D7 X" N! `7 y( j3中断语句% `5 D$ H8 |! l1 ~. \: W
waituntil <condition> prio <integer expression>;
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以上为常用的函数！7 S) b# `- x/ C/ E9 p
还有很多，如有需要我把资料发到你邮箱里
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