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发表于 2012-11-13 08:48:12
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1判断语句& @% G( a/ u! x
if <condition> then% C9 s5 _9 C9 c* A$ ^& z) [
<statement sequence1>;9 B" Z/ B6 t7 p1 D( A3 a3 o
elseif <condition> then! d7 [% N) K& x3 s) x; a4 \6 q( {
<statement sequence2>;
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<statement sequence3>;4 T" f5 V1 T& q1 `
end;
7 x3 K9 p# `; n/ p1 B如果分支比较多，用：
6 a7 _: x; ^- L1 S inspect <expression>6 G9 C* w! O4 w, C) ^8 u+ n) v
when <constant_list> then
6 F9 V" n6 @8 R <statement sequence1>;
% a) A! ?1 l! m) B when <constant_list> then
, _% t1 s2 n8 s" r2 Y <statement sequence2>;
; i( q# L; l: g6 O: M ...
' v3 {$ U9 i" l6 z else
- ^2 [6 \% M/ v* {. ?/ | <statement sequence3>;* _4 X8 i8 y. x% O% ]/ T; M/ n& h. A% v! d
end;% F4 ]) g, \3 } w3 ~2 _) {. M2 w
+ i$ O2 h6 f4 i q; ], ^. m2循环语句' e9 k, w" j: F9 k
(1) from <statement sequence1>
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<statement sequence2>;( F+ r: e4 V M. U% M
end;* y, J; ~4 n' e) ]8 Z- N
(2) while <condition> loop- p u1 [, j9 G
<statement sequence1>;; x; t0 _9 Y: r
end;
; F3 E" s# \5 ?+ O% t9 H" m (3) repeat ?+ H+ G6 \4 w3 c
<statement sequence1>;% A6 O/ B$ j$ Q2 k- |
until <condition>;6 K6 f. f! y% ?! I* q! V* u
(4) for <condition> to <condition> loop
. k) ^" G. B; Y* S/ P" ?7 N <statement sequence1>;0 u" k9 A, t2 |( V# g4 }9 o5 ]
next;3 w1 d# f- B) ], }
3中断语句
. O: l4 d& `0 ] waituntil <condition> prio <integer expression>;
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以上为常用的函数！
8 T$ D% l: ~* B8 h4 Q, C还有很多，如有需要我把资料发到你邮箱里
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