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发表于 2012-11-13 08:48:12
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1判断语句
9 j5 E2 Z7 v+ @ l' @) U1 w1 R# w if <condition> then8 X6 r) D% [5 Y
<statement sequence1>;& s3 t1 E. P( x' J
elseif <condition> then
% V% o) j2 @5 {: i% J# D4 R <statement sequence2>;0 n- N+ N2 |) T- X/ y) `' p
else $ a6 R, g# W% v8 r3 b$ G
<statement sequence3>; y/ B: u! y, b: X
end;1 J7 S' V% G' Z# q) N
如果分支比较多，用：
' ~! T# ~- M) u5 u6 v5 u5 M4 v+ E: H0 f inspect <expression>
9 W& K4 G: E( R! w+ s0 U, X when <constant_list> then
V. X3 h: F4 v; P2 v" U2 j <statement sequence1>;' i* b, g' m4 e( r9 X" s# _0 H: t4 C
when <constant_list> then( g+ h; F* {- w& p9 Y6 b
<statement sequence2>; z8 V, m5 a. J5 A. g. ^* E& o; w! W, G
...# [" C f- y7 a- t' b% m; I
else
& p5 W# ^7 c- n5 O2 y <statement sequence3>;* y1 m! ~% u" R9 Y" y8 R5 L; V
end;8 s5 m H6 C- g& t8 I6 ^
/ t# |) M6 c: H2循环语句+ o+ F1 G Z6 A
(1) from <statement sequence1>
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6 v5 O `5 {2 H. ]! { <statement sequence2>;" o# G& i- K& Q& E6 w* H. h
end; X( q+ d! [( s! \# X% s: E
(2) while <condition> loop- i, Q+ c9 M9 t3 p: t; c/ R& }
<statement sequence1>;( g- T6 l4 R& K) Q7 P" g
end;
3 u. q3 p& I; m (3) repeat ; f/ S# l$ w/ c. y
<statement sequence1>;7 O* p' ~: l8 B4 ]" h5 n) A# w
until <condition>;
7 q+ \4 h( q5 r+ t (4) for <condition> to <condition> loop3 d" j- h3 L3 T( ]* q1 g
<statement sequence1>;
% c; n% z, j4 p5 l1 v7 Z next;
, K) O' z7 s( n0 N4 G3中断语句- x% O; z) k0 K5 N9 @1 T o5 F9 y/ `
waituntil <condition> prio <integer expression>;
! ?- f0 b0 U. z5 g+ o8 i( S3 B! W* @
+ Q' R2 P% n+ R3 k6 U6 R2 R4 k以上为常用的函数！
4 A' z' I: q- z+ S: i0 C还有很多，如有需要我把资料发到你邮箱里 ' E9 f- O7 k. n% t3 c
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