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发表于 2012-11-13 08:48:12
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1判断语句
9 ^! l1 ]0 D. \, { if <condition> then9 H, H8 [8 s2 ] S! I
<statement sequence1>;
7 A1 }4 S7 ?$ Z$ Z+ b1 ` elseif <condition> then/ Y& n* p* w0 \; b, M
<statement sequence2>;
0 `1 H- z! S) M; z% h: P else # E! N& |( b$ f* {+ S H
<statement sequence3>;5 ~; t* v6 x" e. C
end;2 b- q8 Y9 Q: x
如果分支比较多，用：0 v9 t7 ~, N9 E4 O! W
inspect <expression>$ q( R A, r2 f' i# Y/ u R
when <constant_list> then
. u* B2 U& X, D+ \& [ <statement sequence1>;- k0 [& c9 g7 B3 x
when <constant_list> then
# O* [! i! a# G# p" Y, f2 g/ P p <statement sequence2>;
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else
: u! s* x, b- T, m7 C <statement sequence3>;2 u* z* @1 s* r$ P& u% \( g5 R
end;
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8 w7 f$ o8 j; r+ u7 I/ E2循环语句
& Z+ s1 b# I- `) F; y% n (1) from <statement sequence1>
. j6 W( n5 f6 W7 X! I until <condition> loop
0 M$ Q$ r3 B6 g! s <statement sequence2>;& h X; l% y, C1 s3 X) F# Z
end;
( P; R7 E3 Z. `1 k! M! }* p6 T (2) while <condition> loop
0 v; I: J/ T1 k0 F) d7 ]( f2 Z <statement sequence1>;3 J- a" ?. ]/ U; w
end;3 G2 Q' o1 A- k3 V3 n8 z
(3) repeat % W3 t9 M# X: p6 F8 q- a* T
<statement sequence1>;
# s- d0 a7 F. q8 |/ l2 D5 p7 K until <condition>;) p1 M/ J( F' t8 d9 Z
(4) for <condition> to <condition> loop
! ]( [9 B4 c( v, h1 v$ L <statement sequence1>;
! h4 i' ?. ^7 n next;7 f, c& b" d' p+ f
3中断语句 R& C. W5 y1 h1 S5 }9 Y7 u( a. l
waituntil <condition> prio <integer expression>;
9 W0 v- H2 b N, W5 v$ p, e# m' |$ ^1 |% W" y4 g' m1 f, O
; o* D4 M) r. Q: d以上为常用的函数！
, h$ P2 h" v7 ^& `6 e还有很多，如有需要我把资料发到你邮箱里
& e) j) s, k" `, n$ _: y$ u5 ^& _$ A$ P9 O) k
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