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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
+ r( g# ]) ^/ t | if <condition> then- I+ x- x4 A0 R H/ m, Q$ j* G# p
<statement sequence1>;
1 l7 L* ?& P. V- q elseif <condition> then
6 D" T+ [2 m8 u <statement sequence2>;
" x, i6 v! G( n) X" K else
5 j' a* {9 f8 Q( N" j <statement sequence3>;
' ]4 {5 L/ M; H# N' p5 {/ q end;5 E+ ^% }+ y3 a: [
如果分支比较多，用：: s7 i6 H1 H6 k
inspect <expression>$ M6 y4 u# m; L
when <constant_list> then# s* i* u2 B2 @$ E- [! N2 a
<statement sequence1>;
. U1 R: b* G( s1 a2 \) s. M when <constant_list> then- {8 P6 T. g- `9 B! e
<statement sequence2>;
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else
' Y3 u- R& h7 ?3 @ <statement sequence3>;
6 u+ O3 R9 Y9 _7 S* a+ @end;
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2循环语句
. \( K9 o3 b3 R0 R (1) from <statement sequence1>, y' Q7 \5 k" U3 P
until <condition> loop4 u$ Q. Z- M0 F: V! H, ~
<statement sequence2>;
+ A! F, X; v( [( f! P3 E z# T6 R% P end;
- h2 z, z) Z. G: z) H (2) while <condition> loop I y- m* F+ e; C6 m
<statement sequence1>;
' U+ ]) |; O" F' o end;
! p3 X- N/ Y$ @. A: y9 a (3) repeat , z0 A4 {: D" V/ ^
<statement sequence1>;) \( u* j* F, z; V- h4 N) }4 O2 f& N
until <condition>;
$ v9 }6 X; E4 I; Q1 b+ ^' S; _3 s (4) for <condition> to <condition> loop
?4 C8 j" K+ M8 @* ^ <statement sequence1>;
/ N" i4 L% B( b- h7 x3 B" b next;
( B% ` d0 ?1 V( K, ^& k3中断语句
& x s, h i" j waituntil <condition> prio <integer expression>;
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以上为常用的函数！
0 i& e, e A# ]6 d( h还有很多，如有需要我把资料发到你邮箱里 # J$ D. Q' Q+ G+ L" X {( ~9 u
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