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发表于 2012-11-13 08:48:12
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1判断语句+ N2 b& @! W. D
if <condition> then1 g- X0 R @" g
<statement sequence1>;7 k/ U7 K4 A% u, _, V4 V
elseif <condition> then1 F' @# r. a0 p
<statement sequence2>;
% u0 c& z! ]- E* j else
3 C, j. Y. F9 x, J) ^6 Z. ^ Q <statement sequence3>;5 a) i! X$ s; C4 Z4 X
end;
' x. [: F" X3 I( U如果分支比较多，用：
4 x+ ~ H0 N1 A4 R) E8 q) S1 u inspect <expression>
8 _5 Y2 u1 g8 ~ \* q/ J1 R- k8 @ when <constant_list> then
( M, X3 V" e* w2 I$ D <statement sequence1>;
1 P' M* V: d2 M# u4 g when <constant_list> then1 _5 b5 j- F- T& R2 \
<statement sequence2>;
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else
0 D& j; u& [5 C7 O8 a <statement sequence3>;
/ v6 ?; T9 I/ L+ cend;
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2循环语句1 N0 }+ A# B# Q
(1) from <statement sequence1>
- a8 A8 f& r+ y9 j until <condition> loop# {) c/ B4 ?2 O; F( r/ m2 U
<statement sequence2>;
1 U; B y, Q9 f) S7 v# L end;9 F! C" v8 p$ ?6 }; H: ]
(2) while <condition> loop% i. `8 S A) C5 c
<statement sequence1>;
9 Z& h2 D) [0 y( {! i end;4 A8 @# P+ T3 l$ d
(3) repeat
) p4 }8 @ }/ ^$ |& H+ Y <statement sequence1>;
* @- {2 s4 U& R# F* G. M ` until <condition>;
1 q5 O% F9 r% w' P8 @, q' r (4) for <condition> to <condition> loop8 \0 K$ l% g0 I( ^& z3 {
<statement sequence1>;' X7 J2 \9 ^* _' S$ G
next;9 w. E# e1 H- O0 X$ S0 T J
3中断语句
. z* I1 P7 [1 q- { waituntil <condition> prio <integer expression>;, x8 Z( _/ l$ B9 h, f4 `) O* R, u
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$ v* D& W4 a Y7 C# t% [' w以上为常用的函数！
7 Y. J6 A+ k+ Q- H; K# H$ \还有很多，如有需要我把资料发到你邮箱里
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