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发表于 2012-11-13 08:48:12
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1判断语句
6 x+ V6 [$ X) F$ ?: a' X if <condition> then
2 z3 \' s& q! H <statement sequence1>;, M; B5 z- d. ~5 s' C# W* W- Z2 [
elseif <condition> then
* y2 c3 A8 v3 z K1 _" I <statement sequence2>;4 R8 P/ L$ W& B6 d8 t4 D6 s/ T
else : ~1 C. ?& ^' v5 |+ r8 [
<statement sequence3>;
+ y; E3 D# C" F% n) h! [0 m end;
8 G4 v8 I0 n/ U& H- n4 z0 o如果分支比较多，用：5 l, l+ V& _7 T! H9 B0 ^0 N9 g* M1 K
inspect <expression>
+ K# k3 X( \1 t3 { when <constant_list> then
; W2 K6 U; `" y; d* N5 r8 e3 U/ I <statement sequence1>;3 e7 b9 U+ Z- y; R1 M( _! P
when <constant_list> then
/ _2 w6 C& A& v* | <statement sequence2>;
2 S6 e+ C" t6 |0 u ...
6 l* o0 `' c% P T) t0 e8 q, n else
" N9 g) e2 W5 {) K/ V5 o <statement sequence3>;
7 Q q9 T+ v3 Cend;' ^$ n% y9 V- _* x% ?' E+ \
# Z. `2 K; Q& m o1 B, g2循环语句
* t4 y! `, ^5 g (1) from <statement sequence1>7 w R5 w/ Q4 Z
until <condition> loop# o; i0 m- B1 D4 e- Y8 N* Y4 D
<statement sequence2>;! X9 W+ O6 W$ ~3 J+ B& X" x9 V
end;, U0 f* Q) ~0 d0 R6 K6 H# N
(2) while <condition> loop
4 W* @/ G g* z/ s: K9 `; W <statement sequence1>;* n9 w, F/ }( S5 G, C0 d
end;
# k9 w: _- c F3 [% ^ (3) repeat
! Q" H+ e% Z( D9 ~/ P V <statement sequence1>;
" t) {* k& @ S! |$ | until <condition>;& G1 a/ ?- `+ B! w. @) F$ l+ M
(4) for <condition> to <condition> loop1 c7 q1 R+ e+ i( B
<statement sequence1>;
2 H- r) x2 N- \2 ]0 X8 D next;
/ o$ U3 D0 `: d3中断语句4 x- r k9 t5 Q% @( H9 Y' ^
waituntil <condition> prio <integer expression>;# y5 x0 y% d2 s8 t( @8 j4 Y/ q
5 n3 [1 r& ?1 {9 D% R& V, I
: X/ ?* k7 X9 l0 K w5 b5 K2 {以上为常用的函数！
/ t0 e4 i& E& S0 N* J: d" A" V# ?还有很多，如有需要我把资料发到你邮箱里
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