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发表于 2012-11-13 08:48:12
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1判断语句# \6 p' K! F' c/ p' R. f7 |' J+ f
if <condition> then
% v4 Q8 s6 l } A6 S <statement sequence1>;
, [& A7 e9 [" C0 p4 {$ H# f elseif <condition> then( D6 o; ]0 L0 B* h: ^+ P
<statement sequence2>;
7 p$ q7 N: C) I) R& T5 U4 r" l else
2 }( w9 K0 @) I4 ` <statement sequence3>;) Q2 y5 M+ X# \1 C. i
end;
& S: g5 R( P; j+ R如果分支比较多，用：
1 \0 T+ B' S# f3 L- s5 b! L1 F inspect <expression>
0 R! s! |: v" p$ e: o when <constant_list> then
# V6 r( c2 f& X X, ` <statement sequence1>;) _. @) q8 b h9 z6 q3 M
when <constant_list> then
+ F- e/ ~9 s4 \1 A1 F+ b <statement sequence2>;- T! G4 a# C- g6 k8 [
...
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<statement sequence3>;( r, q0 g* B2 e7 K6 I' o
end;. m8 `. Y2 I4 U
, B* F) Y8 O; u3 k3 }) f+ G! a0 o2循环语句
+ F% _6 ~$ s& d2 l (1) from <statement sequence1>& w3 R1 f% z; i! J& r, g6 ^
until <condition> loop
) ]5 E# _& s$ e6 w- C+ J <statement sequence2>;
" Z9 C/ B& \" J# Y end;+ E* O& @2 A Z2 S, a/ T
(2) while <condition> loop0 @4 J# A3 \, m, ]% L4 ?) {
<statement sequence1>;
5 [9 j* p# K* y# R end;! Z. B6 H2 r% k4 x/ Y+ {9 P
(3) repeat ; l' y1 O/ [3 q# ~ s2 W' K! C
<statement sequence1>;
( Z8 f b5 m+ A" V until <condition>;; i, c3 }9 L( T
(4) for <condition> to <condition> loop& {- K6 Z1 o- E0 T7 m* f! ^
<statement sequence1>;
; T& \; S/ U3 G* [ next;
7 t, v' h- v m# U/ p( K- R& B3中断语句) N7 r4 ]5 ?3 [) `2 \! H9 V
waituntil <condition> prio <integer expression>;* Y9 @" j8 j" |! G
) {5 O$ b; s* {
9 A/ y/ n4 b) D; a+ Z9 e9 D以上为常用的函数！ x2 b5 X! r5 C' `* T8 Y
还有很多，如有需要我把资料发到你邮箱里
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