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发表于 2012-11-13 08:48:12
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1判断语句
& E6 ~2 n9 k) T6 w" `+ R9 c A: Q6 q0 A if <condition> then
5 s5 Z9 r1 j! h- k6 y- Y <statement sequence1>;
# }( L, S h1 l, r elseif <condition> then
# B( }8 W' E( F" T5 P <statement sequence2>;9 Y& T/ Q. }: r& d3 L
else * X: ~/ \5 E7 f8 H! d3 o8 i6 G
<statement sequence3>;; \# y4 S' G S# ^9 f
end;
, i4 M: I' }+ x3 }如果分支比较多，用：0 k$ S# Q1 B! i6 l& Z
inspect <expression>
! J$ w5 g7 m( B) z when <constant_list> then
1 H$ G; m$ d0 D! s7 a <statement sequence1>;
; J" Q) W& s# E: T! v. ^ when <constant_list> then
# B$ S: d, e( O: h! m& K <statement sequence2>;
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else
1 }, X% b: ?& f3 G) p <statement sequence3>;4 O# r3 o+ H! n
end;
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9 y/ i/ q, Y& l* G+ O6 P2循环语句
& k$ S! A! c* l. g! U/ {1 O (1) from <statement sequence1>
" g( k3 @( @3 ~7 @% h until <condition> loop
: x+ e- V1 r! y% Q: S t3 s+ a3 C/ Y <statement sequence2>;
9 `; a1 V4 K2 b end;
( O: Q- O: ?7 h( T9 a. W (2) while <condition> loop
8 z' ^+ o- `0 R' C <statement sequence1>;! A; f. F& z+ y6 `( @ N
end;
2 g% I* ]8 G3 [6 \9 D- y4 q (3) repeat
0 f7 p2 b0 ]6 S! p) d. ?, e <statement sequence1>;7 {& X$ h* t) r7 T
until <condition>;$ T4 J+ G! h g4 ?+ s5 q
(4) for <condition> to <condition> loop' ~) w3 p+ M! u) Q9 C: v
<statement sequence1>;5 l0 e1 F* v; x" i2 B% _3 F
next;
; _ X% a. u! h# r+ t% o# H4 Y3中断语句
- E( M6 q- x9 \' X$ Z waituntil <condition> prio <integer expression>;
, k& u1 e# D: X$ `' w& _( o% n# b
3 V# T. p+ x7 \: }
1 k! Y# {; x: l: V0 i; H [1 a以上为常用的函数！; e9 S) X' |) [
还有很多，如有需要我把资料发到你邮箱里 6 f3 v" j3 C. P2 b
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