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发表于 2012-11-13 08:48:12
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1判断语句" R. W, G; z' T& _$ l! X% l
if <condition> then) o" L5 ]" _& k* [
<statement sequence1>;7 p5 ?# q" @6 W: P0 ~* k( [& _
elseif <condition> then
& C* d$ C5 E0 x1 F/ v <statement sequence2>;
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<statement sequence3>;
y9 F G' ~- z4 e: X end;8 P. B) i) }( N; u ^
如果分支比较多，用：7 a# B$ e3 g4 z( s
inspect <expression>& a# l: {7 {. Z
when <constant_list> then
$ n( z4 v- f) u5 W4 q# c5 F4 e <statement sequence1>;
2 ]/ g) w* C* `. P- {- J when <constant_list> then
+ v" j. r0 @8 T# K9 o& i2 s! e9 v <statement sequence2>;5 J9 U: A: ?8 c7 D/ c' x
...3 `0 O0 u- w. ]7 g( L* g! J
else3 X0 L) U5 Q9 }* ^2 J1 p$ ^# \( f9 H
<statement sequence3>;+ G4 K" {4 U' r# S. k
end;
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2循环语句5 M& K; X$ [) T3 m4 k
(1) from <statement sequence1>
1 t) B* d. x7 @8 y6 i8 T until <condition> loop
9 g0 V$ c8 ^" t& H. p <statement sequence2>;
' F* f% V% u/ l2 q, [! p end;6 B" b. V+ I/ n8 G2 s1 M" L
(2) while <condition> loop8 v9 R" F3 S' s. ~+ J: P9 C+ Z
<statement sequence1>; |+ ^) K! v7 w; U% e' `
end;
$ ~* A& {. W3 c+ T- t (3) repeat . {# R) ]$ [; N# C) {; k3 V
<statement sequence1>;% a+ R1 {7 ^3 p
until <condition>;2 k, S) }; U2 I. Q ^# m
(4) for <condition> to <condition> loop' G2 {2 o: `( v# _5 d7 ^ A4 w
<statement sequence1>;
' j9 s, `; O5 {2 u next;
" \' F" u* g; G! f7 G5 j5 R3中断语句
. F2 @' [ n# Z: [3 T4 t waituntil <condition> prio <integer expression>;1 a& S$ N: K( ^$ I' q: t; p3 i
+ E; S& T1 W$ v0 V
( N# W7 }0 }/ D0 ^5 B: B4 y3 V以上为常用的函数！2 F: N# U; x' Y3 |' f
还有很多，如有需要我把资料发到你邮箱里
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