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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
7 x8 u0 B3 G9 K# V9 l1 ` if <condition> then
# o% L( h! O8 Q s: \ <statement sequence1>;, F$ C2 e6 c! o' ?3 p
elseif <condition> then. f7 v$ \0 S% _" c4 ~* ^
<statement sequence2>;9 [* n5 P6 ^* ?5 O0 y
else " B0 m+ y" q9 R0 ?% A8 C. h
<statement sequence3>;
4 ~: X2 s* M1 ?% g! U end;7 l+ o. E$ v) Q( U& G4 s9 n
如果分支比较多，用：. F$ @! Y% v% l y& q! h
inspect <expression>
6 a0 X! S8 M9 I3 ~ when <constant_list> then
; d6 S3 u) O1 a, f2 y1 s& H6 J9 U <statement sequence1>;
* N0 _* S4 m0 K/ w H! W! M( L9 _ when <constant_list> then
. B2 R! G9 G" H7 Z <statement sequence2>;3 s0 M1 v" M# C: D$ L o; b' x$ y
...
! m; r) N) N) t7 i! l: C1 O4 h else, x" v& Q) X) y' P6 {
<statement sequence3>;
0 y7 O3 u1 g6 F- W6 x4 P1 j9 t# wend;1 t3 e; [7 x5 `1 g, ]
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2循环语句( o) y% ? c) z+ R
(1) from <statement sequence1>
. c5 V7 T" T+ J+ S! i4 h0 \- Q until <condition> loop" u, R5 I7 C+ P4 Y# ]5 M
<statement sequence2>; b O8 {" i1 a( S {$ j" k) W
end;: Y9 W: }, e# T2 `3 k) o4 t
(2) while <condition> loop4 t1 D/ q g# U: L9 [; E. t: w9 n
<statement sequence1>;
4 V5 R4 E5 I- T* L9 P$ B4 Z end;3 S3 V/ Q3 c; c$ I4 l1 ?" u0 q1 e1 j3 d
(3) repeat
6 I. @* F7 {% y$ x! Q- q* s <statement sequence1>;2 E7 D( H) \) f" }/ n8 e: D
until <condition>;
) u! T+ E, p } (4) for <condition> to <condition> loop
" X' z: v/ C F$ U, ` <statement sequence1>;
4 ? n# P. O" s3 F' N next;$ j# E+ M) g5 b$ F" v
3中断语句
: i3 C, |3 r$ z# e+ S Z* |) U waituntil <condition> prio <integer expression>;
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0 C3 v" j2 a% ^% v以上为常用的函数！
( t ?6 z5 v8 ]3 W: @# k5 S还有很多，如有需要我把资料发到你邮箱里
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