|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句$ P0 v! I3 ~! a+ H9 m; Z
if <condition> then
% R7 ?: r$ {3 \ <statement sequence1>;, q( Z' j+ s: G* d8 }4 `. {
elseif <condition> then" e/ X4 m; Y0 t
<statement sequence2>;3 ?6 L# x' h* R+ c
else $ ]" b A& {' F/ s: W; h5 C% \( [
<statement sequence3>;
: ^* v8 r" h& Z9 ~8 O end;
+ a, F& W) R G8 A6 |5 r/ S如果分支比较多，用：: ]8 m: K1 j; N0 o$ ?
inspect <expression>
9 C- T0 h5 `4 s: s; K( k when <constant_list> then' Y3 @& z9 e) M6 Q
<statement sequence1>;( L! @/ c4 ?$ K: ?/ f9 Y& q# }
when <constant_list> then
% {5 O, i2 O( M, M <statement sequence2>;
; T1 T6 |( j' q ...
% i& u# g$ w2 _/ G% U else- K" z: v/ K! s/ g+ r
<statement sequence3>;7 [ N4 _9 u4 W; M! \$ m
end;
' k$ c/ k' V: }; I! R6 u* ]5 A
" e0 n1 Y0 s/ A1 Y" E* B$ g2循环语句
4 d8 O: C: _$ p (1) from <statement sequence1>
& p* K5 z$ N0 q/ b6 d# x, q! C# l until <condition> loop8 {' ?6 z3 b3 B# P% _- ?' X
<statement sequence2>;) N+ b# A" A! X3 C* I
end;
" _; X; H) A1 ^% g' B9 h6 N- a (2) while <condition> loop7 [4 a( H) y8 [4 s- c7 c
<statement sequence1>;
& M# [0 I5 g; k: o# Q, V+ O7 @ end;2 m* I* e& L# D# }) q2 G& Y! Z
(3) repeat
& A* A/ Q4 Z+ S4 i <statement sequence1>;
( b/ P& c; f6 M7 v7 R% h6 U2 } until <condition>;
- m. U5 X2 [: ^- r (4) for <condition> to <condition> loop
4 B8 U' H2 ~2 @ <statement sequence1>;
' g1 Q* t4 B8 \# V( [ next;9 y/ ?, }/ ?1 u& ]* C+ a
3中断语句
+ C# k4 o$ O" B5 H5 {% y7 T/ C waituntil <condition> prio <integer expression>;, S- s; l7 V, V$ |5 }+ k$ T
y0 f# B& Y6 R
: }. B0 p& u- n; r0 h以上为常用的函数！4 I* l. f E# H$ K9 E5 M% U
还有很多，如有需要我把资料发到你邮箱里
! z# x$ D' \. m$ p2 i
! _; O! G' P3 T; j2 H+ h
+ F9 @2 B8 z( F. |1 X0 b3 ~. `6 j$ R
3 x( E! k: y0 W+ z$ M1 n* k6 Y
) t. ?& W [ \4 p; K- i5 a* n
# [& P7 L5 ^- t
5 C% d% R7 Z1 W" j: Y5 H2 N v4 o' Q" o5 b& w
( t7 i0 h( d, x1 ~1 ^& z* G
6 e* p9 f4 F" L8 Q% C j! ?% L |
|
[复制链接]
