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发表于 2012-11-13 08:48:12
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1判断语句2 K9 ]4 E! P6 E. S4 s
if <condition> then7 i9 e+ R$ f% @4 L
<statement sequence1>;* s/ ?8 J2 K- j& q2 E$ s
elseif <condition> then
' j J! p/ p( ~; {7 j <statement sequence2>;
! T7 i R/ Q [2 Q; [) c N2 r else ; q0 i8 {) Q6 @+ N
<statement sequence3>;
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如果分支比较多，用：$ i- _2 S" j' c6 q( E: Z
inspect <expression>$ e0 k: m% T! j3 W
when <constant_list> then! B' e/ Y1 l n5 P
<statement sequence1>;
9 u& n D- r; L) m8 g when <constant_list> then: W% P% G. H) e
<statement sequence2>;
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else
/ L! S- i1 H4 T% t <statement sequence3>;9 Y* t7 j [8 N& a. [1 d. R. H8 B
end;
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O, m! c o( b* ^- Y1 W; ?% I" k2循环语句: I" E2 O7 Z F; F8 M) V
(1) from <statement sequence1>
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<statement sequence2>;
y2 \! X$ M6 F) V end;
2 u1 q/ Z& Y0 p5 f (2) while <condition> loop! G2 H6 H0 e, k
<statement sequence1>;
4 ~1 J) U' @3 w ?, ~! h end;, S% r' s0 a, F- D; f
(3) repeat
& G% _4 ^, ?1 r/ i <statement sequence1>;
% {0 C/ \ O2 L8 L/ a until <condition>;0 Z9 h% f+ ~- W. C7 V0 R
(4) for <condition> to <condition> loop/ I/ D; {8 X. ?1 w. u2 m
<statement sequence1>;
) ]; c& D1 J' m3 k next;
0 c. W; @& L* q9 e: p; ?3中断语句% ~5 g* n d' c; B, R2 R
waituntil <condition> prio <integer expression>;( U& d: |3 p H
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以上为常用的函数！
; w/ g4 D) [2 B' R Z3 C还有很多，如有需要我把资料发到你邮箱里 / ]( ^ e/ P' J
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