|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句8 Z7 `: j* U! ]1 r8 H# H" R* m
if <condition> then" _. m; f9 b2 s4 _
<statement sequence1>;- \4 O/ D2 k, h
elseif <condition> then
# M( D8 [! E' b. I- G O <statement sequence2>;
9 Q0 P! v n7 Y: G- ~% ]% K else
4 ]$ O% z+ T7 V$ w d { <statement sequence3>;
) l$ d& `- U4 \ end;
0 q, ~& `' Z* y0 ]9 D如果分支比较多，用：
/ j9 A+ H+ F& S. O) v% ~5 A' G* N inspect <expression>3 L' a3 h5 f# F4 N/ D
when <constant_list> then
) t% M" A# H. E) M$ H; |- F <statement sequence1>;9 v* D' j) Z& @4 _' X' _6 g: T7 d R
when <constant_list> then- A C( h. Z7 Q: w5 M
<statement sequence2>;
# N9 [& G+ q6 [+ d ...- ?; _' N( S/ U5 M$ V6 X6 c
else
- s, M. @ P3 C& P* M7 d7 `& n <statement sequence3>;' a: n5 ^6 d# C* x. S
end;( ~; X. W& s; m- ~% I2 V% Q
' q: ]/ a* T; O! L9 C& {/ e, o6 }2循环语句* y- y% N& M5 o2 `0 X1 z) n
(1) from <statement sequence1>$ V: l$ D# |" ?1 O- Y0 h; s; R" B- f
until <condition> loop
9 I, y0 @4 _0 a% p0 c <statement sequence2>;" u$ |) i$ ^/ n
end;. S9 a2 ~5 |$ F. |* o1 {- a# r) p
(2) while <condition> loop
4 b' [* v3 z7 a2 ]! O( W- d <statement sequence1>;; j% n" Y$ [3 B, I* E. U
end;* \# B) Z' E& Y7 q6 D: ]5 b1 h
(3) repeat ' t$ X' t& W3 h! Q& L1 _
<statement sequence1>;5 ]/ F/ R2 r( [" Y- H% n) ?
until <condition>;
3 V& [! I; L+ ?% I" @, q (4) for <condition> to <condition> loop* t$ N' r, k6 h6 p9 |3 O: E
<statement sequence1>;. f# ^7 j7 v' [, N7 S& `$ V3 G2 h
next;. i, p; |3 ` B. S P. R6 p% Q& P" T$ u
3中断语句3 b0 I& h- }+ P7 M8 R
waituntil <condition> prio <integer expression>;
+ W U f7 Q$ D; N
" L3 Q7 @6 N( H+ E
9 S( Z6 ^7 G" g以上为常用的函数！& o5 ?) E E$ b. o- X: d5 c
还有很多，如有需要我把资料发到你邮箱里
4 O D* c$ D/ F- _
% b& z8 O# i5 i; h0 {* v( b9 m! K& `1 _: O% T! c8 \3 Y! m6 N
( [* a" p+ W' R$ k& s8 ] " W3 W1 h! Y8 V4 N7 p
& }- o. X* `. T; [3 x% c- X$ ?3 @3 A$ b# |/ X( d! I0 C$ ^
. ~! j j; v+ j6 u' Y& M
- S N' |0 |$ G7 u' _0 w
9 C$ d& i4 p6 `
' O) x, }( E0 C0 H5 L$ s$ _8 l |
|
[复制链接]
