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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
/ {6 Y4 l6 G j# |( ` if <condition> then
' H# X6 a0 j& u6 C z/ f! D: k <statement sequence1>;
. v' h: P k# c% h" x( x9 e+ h elseif <condition> then) k/ j9 e, T% ^& r4 s. A9 W
<statement sequence2>;8 l0 `0 n$ w! q6 M# x0 w$ k
else
6 ] E7 z: V3 Z3 l5 Y: J1 }9 e <statement sequence3>;- c3 L5 X" j& D$ M8 o5 ^: s$ T
end;
* Z+ g' M$ U; J- o7 i1 E# k* w( L. }如果分支比较多，用：
w5 D1 f! v& D6 A- g inspect <expression>
1 N/ A7 I o( P( c( U8 N, W1 X# k when <constant_list> then
# L: s! e# p2 O- N* j <statement sequence1>;' ?1 K C+ x3 Q
when <constant_list> then
/ C2 _! o } F0 c. V. q <statement sequence2>;
! `9 L1 P [/ o1 n# x ...) @' G/ g4 f5 w. b
else
$ @1 p$ q/ x D4 Y" | <statement sequence3>;. ]2 P' o' S Y+ t5 N8 z9 H# V: L
end;. \& N( I5 ?& T
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2循环语句
! r" [1 I, s5 {4 \/ a (1) from <statement sequence1>, I" k9 C, O2 {0 v
until <condition> loop* s) d, H) F8 K/ G7 h0 s- b) J& `0 O
<statement sequence2>;; O+ `7 J1 `$ D& {
end;" ~1 p$ W0 z2 V) e. v
(2) while <condition> loop
- R/ n. H% K/ h7 n( }( u( y <statement sequence1>;: W2 ?& I- S' N5 P4 A; u
end;
4 O6 z2 B$ J2 \( P (3) repeat
# ^! b, F4 o" m9 l7 } <statement sequence1>;. R$ D! R9 j2 S; w% T# d. x
until <condition>;
5 w, S1 a( B3 H( I (4) for <condition> to <condition> loop' k" W* U" U; `
<statement sequence1>;1 L) y; z; ~3 u# N2 y7 K
next;
, Z7 @# N- g4 e3中断语句, S; i6 J% M0 m: K+ O, i! r! G
waituntil <condition> prio <integer expression>;
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( a" Y5 W7 V+ Z# e' z/ G5 w) o/ P0 S
3 g7 @: L' w. u1 C以上为常用的函数！) w% M' \5 d8 t2 b7 b! S
还有很多，如有需要我把资料发到你邮箱里
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