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发表于 2012-11-13 08:48:12
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1判断语句4 o0 n* w- l' [) Y$ O" Y( ~
if <condition> then
$ h5 Z& }! O. E9 s& h: z* k: F8 I4 } <statement sequence1>;/ R/ u0 D3 @8 v% B! J
elseif <condition> then. g. |9 v6 t5 P. D4 Z
<statement sequence2>;
) h' v ?- V( v; x, Y else
; O) N+ ~. y+ [, ~2 M <statement sequence3>;$ R* u* d. e& b
end;, T: y/ V9 D+ i& f
如果分支比较多，用：# X# s. f4 ?- r" F2 e3 u+ B! j) i
inspect <expression>7 `; i8 h: i9 {3 K) x ~2 b9 r
when <constant_list> then
: u* e: d7 J$ d3 _9 r: a- L <statement sequence1>;. _# D. ]9 u9 ~ H
when <constant_list> then; t% {5 w, `) C/ K
<statement sequence2>;
- Y6 u* T. |: u; s- m- F- P ...
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<statement sequence3>;0 s' ]5 A, H$ N2 H$ n4 o
end;
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2循环语句3 A8 P3 W: |, W
(1) from <statement sequence1>$ C! x; f* S* j
until <condition> loop- `0 M9 v- H" H* J6 Q. Y; ]
<statement sequence2>;
+ q+ c) Y( y& j2 u3 l end;/ t( s1 T1 p& l$ w0 Y
(2) while <condition> loop
1 u5 h% ?3 F: Y, g$ D) L+ w <statement sequence1>;5 S. l2 a9 C: C) _
end;
' E$ o- k) n I) H (3) repeat 1 _) a0 X' @$ \3 Q
<statement sequence1>;
: H- j/ }, S3 n! `& }, S until <condition>;
! W7 v- C% J! k; y9 x0 p7 z2 X+ N (4) for <condition> to <condition> loop# b9 [; V j/ s5 X7 i
<statement sequence1>;4 I2 E+ Y9 a1 x# s" i+ t9 |5 j( Z
next;
& W! G8 J5 c4 N& X! s. j& q* s* P3中断语句; r1 i5 T: `; W; |7 r
waituntil <condition> prio <integer expression>;: ^$ u- N- A2 M) |% `
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以上为常用的函数！7 _5 o/ g; I* L" U3 [ B1 c) H$ L
还有很多，如有需要我把资料发到你邮箱里
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