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发表于 2012-11-13 08:48:12
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1判断语句
- R" Y+ O& G4 b+ l; t if <condition> then% s0 {. {6 i3 q \
<statement sequence1>;8 z) G c6 d1 {; A M; L' r
elseif <condition> then
4 H; x8 b6 {& O& f <statement sequence2>;% W0 ?4 q1 d5 k( o
else
1 [+ l: H9 y; ? o U) F7 p <statement sequence3>;! X# K6 S1 |0 d; v% j" h
end;
& O% p, j' C7 A3 j+ t/ c9 \3 X如果分支比较多，用：
$ z4 n. _; T( K; Q- W T inspect <expression>$ R# Z4 k" h7 S3 I8 W9 I. Y: _9 m
when <constant_list> then N8 S0 t! w$ a" K6 ~
<statement sequence1>;
# Q6 ` U/ y2 P- I: U+ g when <constant_list> then, Y# q8 f! E" |/ j7 q% `4 I$ h
<statement sequence2>;( i. ?- I# `3 F( U, U8 p& a. k' ?1 B
...# q% @3 x- X. b1 ?
else- F' f* @( w$ V" R" X; S6 x
<statement sequence3>;
* r3 z( N$ u8 hend;
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2循环语句* b8 a3 a3 i9 R& }: X0 o) d; L
(1) from <statement sequence1>/ r9 P5 Q+ E; p8 H) ^* ?
until <condition> loop
s$ r2 t9 O# N <statement sequence2>;
* g$ m6 F9 m J# Y& u9 | end;
: H, _, P0 k. c (2) while <condition> loop9 d/ _9 n; T% o; M) Q+ r- r
<statement sequence1>;
7 ?+ }2 f1 U, U" o end;8 Q4 T' {' C3 S8 I2 @6 Z5 j2 j
(3) repeat
1 B: ~3 Q$ P6 S& J+ S: P <statement sequence1>;
2 r6 u+ c( {+ T# P3 x9 O until <condition>;
% q7 ?7 h/ O, R (4) for <condition> to <condition> loop
: N' t2 h! L' a( d% P2 H) n* R; w <statement sequence1>;
1 E8 }7 V# D% |- k" j+ w0 i" z! B next;
# O5 T, I9 m3 D$ ~4 O9 M3 |1 a3中断语句# b2 |* x4 ]4 L+ J# y( @
waituntil <condition> prio <integer expression>;
i( l9 v4 h. p: w+ F V8 R4 O5 ~, A1 _* a/ ^
0 e% ^6 v* J) d7 m: z以上为常用的函数！
4 V. u/ {5 W( Q还有很多，如有需要我把资料发到你邮箱里 5 ]* P9 A* z, a& o& u
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