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发表于 2012-11-13 08:48:12
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1判断语句: w0 V2 L+ z( O# H. y, k! T
if <condition> then' E f! t" l: U; o: _
<statement sequence1>;* i( E. ~. O( g, g
elseif <condition> then% y6 h$ P8 ?% j
<statement sequence2>;" n5 R+ a% L0 s" R4 K
else & |# W( ~& \9 C$ \' q# j
<statement sequence3>;
* b5 G; e# d5 h, S* Y. u7 T) Z end;
3 N* } X( w- w! W& [. r' g如果分支比较多，用：& D. @: x. q, M2 ~" p A/ A; f
inspect <expression>( E& ^1 w9 L1 {9 ?' }
when <constant_list> then
4 ]; ?) R) M7 O# i <statement sequence1>;+ Z' Z) c/ Y4 Y" a; j# u
when <constant_list> then
: S1 G0 [6 F1 {5 ~3 H3 j, Z <statement sequence2>;
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else1 y# A, W. @7 U' ?3 I2 ~
<statement sequence3>;- [. R2 L: D$ L8 d; X
end;
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8 r4 u2 y) y. w, r2循环语句
3 V; r9 E# `: L) P8 w/ \/ U3 m (1) from <statement sequence1>
5 P5 x1 F! A' H+ `$ q7 a$ C0 s2 a until <condition> loop
* J6 S5 j: T1 j- L& n <statement sequence2>;
' b% V Y; m( X. ~! T- d' u+ J end;
' o0 y- {0 \& o( K* x' d" _+ Z \ (2) while <condition> loop6 N* P. H3 ?6 s5 O0 W% g1 S% q
<statement sequence1>;6 ~7 w1 ^# h; j
end;
) W8 y( J [6 z) l9 y (3) repeat " p" v/ K* Y, b3 g% x# L6 s5 L
<statement sequence1>;. r% o8 |; z/ h! I0 H* N2 g
until <condition>;
' L) ~2 w/ s# w: V! S (4) for <condition> to <condition> loop
/ `1 z7 }" j/ ]" }; S <statement sequence1>;
0 `6 d: f8 d( l next;* L; |4 m$ B$ ^ A( Y
3中断语句
2 N$ I/ Y) {& G waituntil <condition> prio <integer expression>;+ n5 D. _# W3 I8 E0 U5 q
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以上为常用的函数！( a' f6 R2 n- E. u( O1 G
还有很多，如有需要我把资料发到你邮箱里
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