|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
" u8 Z" x, b& w% l0 R6 C! ~7 M if <condition> then, v6 G4 F, d+ ^# T
<statement sequence1>;
4 C! T- n( ` V elseif <condition> then& T5 e& A# M/ P# ]
<statement sequence2>;
- E- C F, N& K else ) O* B# i/ Y' S$ h: ~
<statement sequence3>;
# O9 z |$ u5 }2 J end;2 j% |5 v" N2 H0 ]) J5 |
如果分支比较多，用：
% S( Z% ~3 y/ x6 V& n) i4 k inspect <expression>5 `3 W) ?: o# f: g) |
when <constant_list> then
1 T. r' R8 ]! W0 a# C( I <statement sequence1>;
3 ?: O, c4 k8 W! l4 b% t when <constant_list> then u6 W( I# c. J3 T) \
<statement sequence2>;1 D0 A$ d- S7 D0 |
...
7 G. C& M* Y# I9 F2 v else0 X3 j1 f2 Z) D) G1 s+ f* k6 h
<statement sequence3>;
4 D% u( c8 M+ I! D# eend;
1 ?7 }3 o4 M3 {* F
5 G0 h+ W9 t' f/ x2循环语句
2 z. X* Q8 `+ ~ (1) from <statement sequence1>- o4 k0 N3 f- Y0 f: X( K! W
until <condition> loop
# y# m5 F2 d' ? <statement sequence2>;
7 w2 V7 g. n. r4 g2 S end;
) M( V8 k6 Q5 g# M& H e (2) while <condition> loop7 `. N# a5 ]" B) z4 |: y& z
<statement sequence1>;
+ u( K1 p$ Q4 V end;
2 M* Y8 s. \. ]: _- A9 }. ` (3) repeat
# ]3 o7 j3 O! t# _. t) o <statement sequence1>;8 A9 c" R& ^" o7 X g+ t
until <condition>;
0 \. O# l% o: c. y# ~& g4 z# W (4) for <condition> to <condition> loop
" c. K9 H+ Q3 s0 {' G4 T/ v <statement sequence1>;3 _6 S, J) r& i" I& p" O) P
next;
`2 x* W5 f1 |: d3中断语句
& ? Y9 b6 T% L7 a waituntil <condition> prio <integer expression>;
8 b2 c M2 C& K9 b5 b
! o. v. Y3 I, B0 N& [: i
; u" ^2 [5 x9 J3 e以上为常用的函数！6 v( |# _& \, N% O( ~$ \
还有很多，如有需要我把资料发到你邮箱里 " I5 W1 l% u8 v5 C/ R' V
# k4 T9 D2 L, {
V5 d. q6 U; q; x5 X/ d
' K# J/ ]4 O; R# G; g X , B+ [; y2 |7 P0 \1 t. B; C
. q; w5 l1 E& T6 A) i9 f' t- A! E Z, n$ p" J- v. j7 N" m2 O0 I3 i7 Q
# {9 y; `( k+ |7 e$ t3 u; Q! o5 `" k, c
9 z- J8 e* S1 U: b9 \
! J+ R* F, D3 Z$ E, q- ~6 |! C; M$ y 2 H7 L9 i7 ?( M6 W* P
|
|
[复制链接]
