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发表于 2012-11-13 08:48:12
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1判断语句' y& X- \+ r2 S
if <condition> then( E/ Y+ J$ r( ^5 N
<statement sequence1>;9 }1 p9 ]# F# c/ `. V u/ I
elseif <condition> then
+ d7 _* |( m& \, ^- V' y <statement sequence2>;
, v; A7 P9 K0 ]3 c else
! G* y v6 V6 O- y6 _1 A <statement sequence3>;
5 { O$ ]# t' g7 ~# V end;# }: o8 F# V. S' K3 @
如果分支比较多，用：
9 {- B- c3 z# M& W' S; R H& e inspect <expression>
/ G& b5 _ e. X% j) t0 j when <constant_list> then% S# j3 ^* o) U, l) z3 ]
<statement sequence1>;
9 q4 D1 Z5 Q8 {9 s3 u6 Y; y) J2 s when <constant_list> then
6 p4 P. D r7 W; P* N! D- U& {" r$ x <statement sequence2>;6 |. t9 B" q" h. S2 D) ~
...! |4 P; D# p8 V( V% H$ u
else. M, x* a; v9 P# M" ^
<statement sequence3>;$ p, h. G3 Z0 T* U# i
end;
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5 v% v# [$ _( F- F$ z5 T2循环语句0 T0 R2 t) P$ |9 a
(1) from <statement sequence1>( f+ K& m$ F" }# Y4 i/ i" I
until <condition> loop9 u1 o/ |5 ]+ {9 L% d
<statement sequence2>;
4 { q2 B/ D0 M* G* ]- @ end;' R+ k( \8 E K& K
(2) while <condition> loop
: }) E7 I e5 e" D4 @ <statement sequence1>;
- a! U, k7 ?- e: {$ O3 w3 [ end;$ v& h4 x. n$ |
(3) repeat
! C, A# y2 V: y t$ e5 ] <statement sequence1>;: [8 |. y# k# p
until <condition>;
7 \; G4 z$ H# |' s4 E6 A1 i (4) for <condition> to <condition> loop
! M0 `8 f0 Z4 w% }! ?+ [8 I) F <statement sequence1>;
( d8 O" d( A+ b+ C next;
: c( ]! F% G: o6 ]! [4 L3中断语句
0 t- h4 v( [4 o2 x waituntil <condition> prio <integer expression>;" n' z* I- w, v' u, }3 t
8 Z q! ?, S) {+ Q9 [
! T" ?5 I! J, }: q( f Y以上为常用的函数！# H2 E( |1 R/ C! Y
还有很多，如有需要我把资料发到你邮箱里
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