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发表于 2012-11-13 08:48:12
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1判断语句$ ^4 A- B0 I/ Y' R/ Z: V/ h
if <condition> then& Y9 N9 R4 j) ]8 x4 _/ E6 g1 C7 U
<statement sequence1>;. r, w; ^' |3 p' ]
elseif <condition> then
4 T+ S% P$ t: F. d <statement sequence2>;
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<statement sequence3>;
2 \, q: {9 H5 j# H3 W0 V0 ]% T# I+ z end;
) [/ z1 [* a# \& O, s1 @3 i* r8 r如果分支比较多，用：
/ J0 Y9 i c$ n9 n& S inspect <expression> D! g/ |. h7 z# k% g4 B
when <constant_list> then) o! Z9 H% W& q1 M
<statement sequence1>;9 U0 k7 o+ V0 u e8 D2 M
when <constant_list> then
8 V9 S) P; h1 }+ }" I" I7 Y4 X) f. I' [ <statement sequence2>;, D j; w8 o- g4 L0 x! @; k- w% j% {
...; w. [+ W q0 i$ ^( g1 L4 x
else' M3 [, L0 E9 F v6 a0 D, a- V
<statement sequence3>;
* I! y* v0 E$ h# j! B" W8 W \$ |; Kend;
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- W c# t4 }/ ]: b9 K7 F3 V4 ^2循环语句
6 L" e" F% t3 @# l- R* d- r (1) from <statement sequence1>& U5 m" P: Y* W* V2 o4 i
until <condition> loop7 U' j: }- l& O3 k6 t. m
<statement sequence2>;
4 E1 `: |+ S5 d+ n% Q2 L, j end;
5 i% P3 J8 H( T3 y; p (2) while <condition> loop
9 U0 o5 P( h" t0 | <statement sequence1>;
. K5 B' e% t. _2 k end;
4 r: c1 U p7 R; t# I (3) repeat
" ^5 T2 q& V2 B( j; d <statement sequence1>;% v$ p6 }* }& d
until <condition>;; O% z* s2 B# f c
(4) for <condition> to <condition> loop
) H6 i3 j& e- N" e <statement sequence1>;
) N4 E+ c. Y8 ^1 I next;: O. M! t- j( ]3 o8 j
3中断语句0 u- b) x! [% i
waituntil <condition> prio <integer expression>;2 G; C) h7 [1 i2 n! J
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3 w9 i5 d7 j$ X+ d' k* R2 y以上为常用的函数！: _" P, T: a8 ~2 w( X$ N
还有很多，如有需要我把资料发到你邮箱里 - ?6 J* [2 L3 T6 C- q: G) D0 d: T: }: O
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