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发表于 2012-11-13 08:48:12
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1判断语句
- x$ @& D: A, ^6 ^% Q if <condition> then; u* h! q0 i2 B1 t) G0 c1 I; ^* B
<statement sequence1>;
( d: ?6 K4 n4 | elseif <condition> then
+ q- |2 G: G. l! |# u <statement sequence2>;0 T, x/ J8 d) T9 B9 {* G ^$ }7 c
else ( R% B8 D; k. ^. g
<statement sequence3>;
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如果分支比较多，用：% a& `. ~' |* A7 _; @( v; y
inspect <expression>
7 V6 o9 L, a+ Z) e) B when <constant_list> then
( j' ^! |5 d c. {9 j9 \( o, U <statement sequence1>;
- B: o" [" ~/ d6 K" ? when <constant_list> then) k$ u4 v9 c# s2 G8 I2 O: `- h
<statement sequence2>;
/ O! I, l2 z& H5 W8 f ...
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<statement sequence3>;; v( ^5 t0 d# Z
end;
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2循环语句) u, O) K) _& m* t
(1) from <statement sequence1>
; ?- f% F |$ J3 X until <condition> loop7 r3 Q2 w6 k' |4 B; `0 \, h
<statement sequence2>;
+ ?, Z' j# ~* Y9 p; U$ y7 `% }( g end;/ u: ^/ d0 \$ Q: J% M7 r2 x
(2) while <condition> loop
* O* {, w$ B+ ]+ v0 Q% U2 c y. p <statement sequence1>;% K3 s; W: E7 v0 a) ^$ o _, T
end;
- a1 Y/ R% A! e8 d- q" ^0 r (3) repeat 0 i$ g( Z H6 z8 k
<statement sequence1>;
6 y3 y8 G6 r. G' W5 v* V until <condition>;( M! V t+ f% Y1 r: w7 C# J2 h3 |2 V
(4) for <condition> to <condition> loop
8 B) x L3 A! |6 d/ P2 f4 j <statement sequence1>;% D. U5 _: P: N2 q+ Z) S
next;
8 I7 s L0 H5 }( M3中断语句5 K3 x9 S. B- a8 d+ C2 A- C
waituntil <condition> prio <integer expression>;0 m+ |* y( X! l( x$ @# q! z" _
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以上为常用的函数！
7 o1 l0 ]! [7 B& Z还有很多，如有需要我把资料发到你邮箱里
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