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发表于 2012-11-13 08:48:12
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1判断语句
& T5 @4 U4 k3 }; E9 \% D3 ` if <condition> then
5 X( l. |/ O9 i: _ <statement sequence1>;+ ] H$ g: v, v& C, B
elseif <condition> then" _9 O0 N1 j B6 r) A
<statement sequence2>;3 v6 E* I6 [/ R0 X
else
8 O" g7 V9 y* s$ U5 S; D! O <statement sequence3>;
- |. A% v1 A9 W; _0 m end;
' i3 ?& W7 T. l: U6 X& ]9 ^+ i如果分支比较多，用：$ Y6 g* R" A$ u
inspect <expression>
" _0 z: L7 t1 D when <constant_list> then, K# u4 [8 q y% r& ~7 d+ z
<statement sequence1>;) O( V) z1 @' X4 u- k
when <constant_list> then
: n$ X5 k) [& [- L$ U <statement sequence2>;5 y' [' u& O; M; g1 B. H7 ?
...& R" Y* Q- w, M, H, g d& U% X6 ^
else& |5 ?. H9 }0 U3 F4 y$ w
<statement sequence3>;
! s$ j! o \, aend;
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* E3 X ^! J- T) k0 p4 e2循环语句
" ?0 D! D, S( W (1) from <statement sequence1>- h. K; o; q# {7 G, Q( w' E. Z
until <condition> loop
& N5 ]" C1 S" S' {' g; e, A <statement sequence2>;
4 y2 f3 d ]7 f G( y end;
4 P1 f/ T6 q# w7 Q (2) while <condition> loop: N- D. k; \& S# L! [' Z& f+ a+ z
<statement sequence1>;
2 B' ^5 `, x6 P( p A; s end;
8 J" U Q$ _7 \5 Q (3) repeat
2 ~4 {" A& P1 @' z1 u <statement sequence1>;
! F& s8 \, W; U. X until <condition>;
: o8 g1 r/ \: ]' w, A# @ (4) for <condition> to <condition> loop
# H" J% Y0 ?0 N5 ` <statement sequence1>;% Y" w" b+ f5 f# f( [; {+ a
next;
/ j2 v g' r- e2 k3中断语句* A7 H2 o9 i, \
waituntil <condition> prio <integer expression>;! Z8 s" O6 s$ ]% W2 _
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以上为常用的函数！& a& |# y3 L# C( }+ p
还有很多，如有需要我把资料发到你邮箱里
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