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发表于 2012-11-13 08:48:12
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1判断语句
; R0 c( L, G2 ?( I( J* i" S9 w if <condition> then
, y$ |" H" {( M b) c, { <statement sequence1>;0 G4 x& x0 Z% |/ n, p+ V2 q2 s
elseif <condition> then+ v; n( [8 w( x7 F
<statement sequence2>;) r8 h: q$ i% e
else : | ]$ f/ |( m/ W* S+ q/ Z
<statement sequence3>; W# d- y2 ]! d) V3 E
end;% d4 i8 c8 R' e; C9 m8 \# \
如果分支比较多，用：* f3 O0 U6 o) n* i% y
inspect <expression>' p5 x; s9 s% _( @' t1 X5 E1 \
when <constant_list> then% ]$ ~ q, T# j0 |7 |9 \
<statement sequence1>;5 R& K' H6 n. M4 c8 _1 K; @
when <constant_list> then
# ^1 w3 {0 [- w: G" g+ J, e6 e: ?$ \ <statement sequence2>;( V* R2 R! L H/ s! z) X I1 c5 |
...; O5 m* l' ~" T$ M/ q! X) }
else: W8 P* @) W; o/ q, F1 a
<statement sequence3>;2 Y4 d/ |6 @) R! a1 L' V; o& P5 B
end;
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, ^) O/ e, p6 y& @2循环语句
3 M. b# K( H+ R0 a7 ^6 @ (1) from <statement sequence1> Q3 h: ~. M$ b9 c/ ^
until <condition> loop: A0 f0 O' p4 w0 ]1 t, O
<statement sequence2>;/ _. t9 i0 M. _" n( |
end;
( K5 l$ o+ P# u- V( X (2) while <condition> loop- p; T( Y& P' ^* O( f$ p' s- v4 G
<statement sequence1>;
7 n: K% p. W7 Z5 U% F7 q' m5 d end;
3 \. u2 R& Y, N1 b+ `8 s6 _ (3) repeat
! _! X) p0 k" S h9 Z <statement sequence1>;& G _8 G g9 ~" }8 C
until <condition>;
9 w3 T, x6 Z+ R) C (4) for <condition> to <condition> loop8 z( ^7 \$ ~$ u4 d2 W0 X
<statement sequence1>;1 f+ Z% _: o& T/ X+ ?
next;
* ], H/ v: Z7 X3中断语句; S8 U5 U; V$ f o) R
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
0 x- h6 O1 N/ E, w Q# \" T+ `' ]还有很多，如有需要我把资料发到你邮箱里
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