|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
V6 R6 T" v$ m0 H e6 D+ L0 m1 C if <condition> then
5 i: K( `3 d2 M9 D: P( B: |- ` <statement sequence1>;
" O$ e: f* [( H1 w9 M2 Z elseif <condition> then
! W2 x! m" Y! A- C <statement sequence2>;
- y2 |6 K2 @; v6 ~7 y* O& H else
* O" v' a3 R( F8 `3 L8 v <statement sequence3>;9 ?* w. Z% U- A& w
end;
3 b, S( ]+ x) M4 _! u# E- k如果分支比较多，用：4 [4 v0 ^' V: _8 v7 X5 d1 k
inspect <expression>
# C( `4 G" i% u: q! k+ X when <constant_list> then/ S2 j8 s0 J! }, h- U+ }3 W6 z
<statement sequence1>;7 m9 J! \5 [0 [( @* j9 W
when <constant_list> then
) A$ L! p* g7 O <statement sequence2>;
: I$ W* [6 p! R7 Q j/ ?. L: X ...5 f9 A1 \. z: Z1 C
else% c+ u+ X: P) p2 i3 ?% h5 Z/ K9 ^
<statement sequence3>;
' G$ t1 |* ~ z( X& nend;$ ~& a6 J9 A: m% P0 j# S( o' o
& g! H6 W+ Q( Q( e2循环语句
5 \' d% e+ R2 a2 {4 w4 u (1) from <statement sequence1>
% v1 m$ ~! S4 H4 `+ |/ g until <condition> loop% |9 ?& r! c6 q8 k; I! m* S
<statement sequence2>;# E, T! f# v( ]
end;
! l6 a8 X3 P3 T5 u- W (2) while <condition> loop6 ~; }0 z- A& b: w# D9 W
<statement sequence1>;
( l5 a2 ~: O& t; A* F6 U. c# W; X end;' f* J; M1 v7 A x1 l4 A9 J
(3) repeat
" D9 h# Z: ~6 {4 w! m <statement sequence1>;
2 y/ r7 }+ }2 ]7 E) ? until <condition>;
$ ?1 f3 f; M6 S, p" K$ u+ H (4) for <condition> to <condition> loop
( d. m1 E! t& y; M& I/ J <statement sequence1>;, H% \( t# I& ^3 Y
next;
: Z- M) y0 f" I- B" T8 \3中断语句; s: B, F6 ?3 B) B
waituntil <condition> prio <integer expression>;) s Y! Y7 _5 }; ~' r% q
* P0 r, M2 E6 h6 M
7 E3 f; ^( b' t3 e以上为常用的函数！
A& ^/ c+ t! l3 S) c- R还有很多，如有需要我把资料发到你邮箱里
8 r" y. W' }" z5 \1 W
& b) C) O( b9 J
# B/ c& N2 `* F- b
0 R5 M8 \" A2 [ 6 m L1 B- m5 M9 |0 f* E
7 B! f% b# V5 s0 W
( R3 `* O* E$ A, t5 [- s
, N: r, `0 { j% m) s; i
# F3 g+ ]8 A/ G1 S ]8 e) ^
@5 X9 x2 d! z6 N( F& `
" Z# R- S0 ~. r/ w |
|
[复制链接]
