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发表于 2012-11-13 08:48:12
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1判断语句4 t6 k% Q. Y( r7 a/ ]
if <condition> then
' @* e4 x4 r# I, d+ M* N* L <statement sequence1>;/ v# w" f u0 N w+ ], A
elseif <condition> then
. `0 C; ]; h! k- \2 D( g' [ <statement sequence2>;2 M2 B+ w) J8 f% k9 O; y. I
else
1 G" G! D9 I* G8 ] <statement sequence3>;
0 V+ P7 k5 [1 o5 r: l R0 D end;
; k9 h- C0 Y( f! ~0 z0 E如果分支比较多，用：' }8 `# P8 Z& S$ }1 D! S, v$ H8 o
inspect <expression>0 w G" \ U5 t4 P3 M
when <constant_list> then
7 C- I: B1 _. s1 w% E9 B <statement sequence1>;) `/ w* f! y4 E8 ]: D0 V7 [1 b: F) I
when <constant_list> then9 u& P% }$ o [4 O2 R' \) ~
<statement sequence2>;
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else
) X' B) B7 D/ G o$ A7 q1 \ <statement sequence3>;
3 G! x! a. Y4 R' C) m Mend;
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2循环语句- K! `% o- S7 f2 z1 g. P/ F
(1) from <statement sequence1>
! ]3 |5 R" U0 o$ j' q until <condition> loop. k2 ]1 O* p0 u* k+ k/ G! M
<statement sequence2>;- f* q# v4 Q- F
end; t1 a% `0 ]8 y! ?: R
(2) while <condition> loop5 u4 a) _% R6 n7 i5 e
<statement sequence1>;
8 C5 ?8 u0 k0 o5 O% D end;
/ ~4 N! j T# K1 _) m) e (3) repeat
! Q1 O, g2 v' N5 |7 @0 e <statement sequence1>;2 h2 F7 M5 a" C2 \/ p0 F0 x
until <condition>;* |' d% t4 w, D! f3 q2 m
(4) for <condition> to <condition> loop+ d! P/ W/ P2 k8 k. _0 a# S! c
<statement sequence1>;
8 _/ G( N& v, y$ T# c* C next;3 x& G: H9 q1 s: Z6 I# ~2 i
3中断语句; _5 w9 z( L1 w/ G5 d7 Z) q1 c2 ~
waituntil <condition> prio <integer expression>;
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以上为常用的函数！6 Q" x# ^& l* [3 i% t3 L. E
还有很多，如有需要我把资料发到你邮箱里 # e7 i @( E2 ^+ }* o; P T" K
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