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发表于 2012-11-13 08:48:12
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1判断语句
9 }0 L' n" ?1 M( F* C0 H if <condition> then- F$ U8 `1 L5 {# v/ G
<statement sequence1>;7 F$ q/ }* q6 w' Y0 q# I% R
elseif <condition> then
$ k. N" X2 c' J7 G2 C. F0 x" Z2 E <statement sequence2>;
" I ]& e# N K# O7 i" R) B/ Q else 2 A4 n* b3 z1 E# @% p4 B; b
<statement sequence3>;* o* l3 g) }" B: ]
end;8 F1 X" j4 M1 ]- W. B# n: b/ Q
如果分支比较多，用：
0 v; }& R: Y3 r) q. @6 A% x inspect <expression>
! J- ]8 _" e) Y when <constant_list> then
/ A- `, O1 K+ g/ n& c/ {, g <statement sequence1>;
( ~" A6 A( [$ P8 e9 o+ ? when <constant_list> then
& a# I4 d5 q; y/ L <statement sequence2>;
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else
7 V7 U2 S: T0 P2 J: z <statement sequence3>;
, E6 b, @0 m) y; o+ z+ r: ]end;
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2循环语句
% L. u) t; X$ C% B1 b (1) from <statement sequence1>
- R2 G/ g% c# v# _. k until <condition> loop
B$ a c! O" J5 g8 j2 J <statement sequence2>;
9 f& D! M0 `* o/ p end;
* @3 {3 D9 S1 u (2) while <condition> loop
2 }7 H2 N4 Q6 ]9 @% F7 h# W6 a. l" x <statement sequence1>;5 F' @0 U% T- \# X
end;" {' J- g E; v
(3) repeat
: a2 R$ k/ F7 z <statement sequence1>;- C1 \) h7 Y( u& x5 K
until <condition>;! j ~- w. V A" Y& [
(4) for <condition> to <condition> loop
/ b" k7 p- n& S/ o% P9 @ <statement sequence1>;
8 S- ^; l0 H/ ]4 c next;2 K# e, |: G3 ^" z; ?7 D
3中断语句
! B% k- t6 W Y2 m waituntil <condition> prio <integer expression>;9 v8 J7 U5 a. w; {
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以上为常用的函数！, ^* U2 w7 ^# _% d. N* {0 n
还有很多，如有需要我把资料发到你邮箱里
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