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发表于 2012-11-13 08:48:12
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1判断语句; k& A$ }& u! s6 W; q' n. }
if <condition> then: x7 H. J- X4 O, ]8 f9 U; T& s
<statement sequence1>;
, r3 @7 m- G! E elseif <condition> then
8 q J' ]* C, o' H' | <statement sequence2>;; f" k c, V7 [+ n4 G, a
else ! i( t- c% W7 L2 ^; c$ ]: ]+ x# P
<statement sequence3>;. Y( E% U. I' e6 y: J0 z3 D8 D
end;* [, r, L7 t; C/ ^' o
如果分支比较多，用：- G4 J0 _" X) ]7 T3 e2 p: ?
inspect <expression>. j' ]6 b3 j5 R4 A+ B# X: ^6 z) I
when <constant_list> then+ C4 b0 F' W5 p
<statement sequence1>;2 U* O- b3 A- Z( ]0 ^* k$ Q+ w+ u2 l2 O
when <constant_list> then9 L; C1 t) w7 X: C- [& n- \
<statement sequence2>; S' e) u6 o3 E& p6 y
...
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5 ?, \. a. R" a2 F$ y' I <statement sequence3>;7 {/ R) z* n, i5 y2 B' _3 M1 g* f
end;
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2循环语句
1 U6 Z% `; V" Q" p$ r" G+ @ (1) from <statement sequence1>) u- m5 w4 A4 Y6 A& j
until <condition> loop0 H Q- U6 d! ]/ C
<statement sequence2>;
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(2) while <condition> loop
3 A4 O# n& Q. x$ P( V& T4 L <statement sequence1>;
( F/ S4 L" @/ c% a3 r @ end;
' e0 U+ q' P% H" A (3) repeat
$ M8 j5 s# z- ^5 D <statement sequence1>;
8 e# @ I- G. ^7 E( [# ]0 O* Z until <condition>;
4 A' \/ A! h% T# C$ W5 L (4) for <condition> to <condition> loop$ u/ h/ E& g x- f" a+ K
<statement sequence1>;9 Z! ~- X. x; ^& Q
next;
: |. Q% S; f# t; R3中断语句
7 b k1 o7 D$ [ waituntil <condition> prio <integer expression>;
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以上为常用的函数！
9 {: n9 n1 p3 E: b还有很多，如有需要我把资料发到你邮箱里 * s* @: R1 P, s/ u1 z8 y& n
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