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发表于 2012-11-13 08:48:12
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1判断语句5 d( a) V" U- {5 B; s
if <condition> then3 ~' F; {) {2 Q/ ]; w t( Y+ T
<statement sequence1>;+ N" l' \( V0 s# [3 @1 k; C2 L
elseif <condition> then
) T$ z' n: e/ D3 Q <statement sequence2>;
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<statement sequence3>;
: E- N Y! D" o$ @/ J0 s end;
Z" J' c+ D0 ^9 E+ k如果分支比较多，用：1 ]8 S5 g, Z5 T
inspect <expression>( S" ]! L& ?* q* G- m+ D
when <constant_list> then
, \0 `5 C# v {9 S/ t6 a# F <statement sequence1>;
0 N; `) i3 {3 h# n when <constant_list> then4 g7 `5 S( ^' c2 e, G
<statement sequence2>;. U! [+ x5 C6 K- ]4 Q# A8 _
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else
/ v9 d4 U, i) b8 Q! Y j) E <statement sequence3>;
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2 \( m+ g3 ?! v! v! X" v2循环语句8 _1 o8 ]4 r) z6 m, s( n0 m& I
(1) from <statement sequence1>- [6 M/ \# h7 ?* p. C
until <condition> loop- T! r/ n. m: v) j; G
<statement sequence2>;
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(2) while <condition> loop
, v% J) X J- c- }1 A <statement sequence1>;
g/ B; \3 r1 m7 E1 ~* W0 D0 M end;
) N7 q3 R; ?( b$ _8 ] (3) repeat
% p1 E5 _* r. g5 E- ?3 `8 v <statement sequence1>;! s$ t3 v# R1 ?: t) t! F. F7 S8 H4 a1 w
until <condition>;$ J1 s7 q* C. C: T1 _( y( K5 D
(4) for <condition> to <condition> loop9 q y, ]) i1 N( x) w9 |
<statement sequence1>;( a- ~ N6 K; [2 R$ p: a
next;
. r/ \+ M: Y. b. H* e2 k4 S3 f3中断语句$ J3 s; w, T$ w
waituntil <condition> prio <integer expression>;
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1 R5 d \5 ]. [% |0 _. `! `以上为常用的函数！
/ Z0 P4 F' p. N! Q3 @* F还有很多，如有需要我把资料发到你邮箱里
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