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发表于 2012-11-13 08:48:12
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1判断语句: a5 ] @# S) D, ]' M& \) c, t5 N
if <condition> then
1 R9 |6 \. L2 k! R( p( y7 g) d <statement sequence1>;! F% o3 j! w2 j
elseif <condition> then
: n6 r) o: ~" H8 e' N: G <statement sequence2>;
2 I1 g& C1 Q% t. C else ( ^4 R1 ~2 w5 c, k6 {
<statement sequence3>;& b" Q- m2 k' P# ]& s0 _2 k' o
end;
" c1 j4 g% m, E4 Q$ U如果分支比较多，用：0 B! f* a! J8 z" w
inspect <expression>
3 B. p6 s2 O6 z- [0 z& c. j when <constant_list> then
) |9 h& C2 F; A0 Y. B) p/ [2 W <statement sequence1>;
9 d3 }0 k/ ~0 W when <constant_list> then
, m& b* b6 i: ]5 e2 F <statement sequence2>;. \( ^2 l; B' w9 Y# v6 a; {- X
...
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<statement sequence3>;. ~" M c2 v( W$ V; Z* }4 ?: J7 b
end;$ N2 p5 m: ^( I/ g( p0 i8 c
4 d; H0 u b9 T- o% V: `2循环语句) \. I- g+ B" n$ `: X, U; ?/ o) R3 y
(1) from <statement sequence1>
& A6 E( x/ y( B3 N5 t until <condition> loop
+ Q+ R* c% y# q0 b7 |6 ` <statement sequence2>;, ~4 c, \7 Y% ^
end;# ?. ^% }+ h" p& H/ t
(2) while <condition> loop
/ {) j8 k: `. k M1 {5 Z3 L( x <statement sequence1>;
/ I4 R( h$ s+ {- O5 h end;
7 W: i2 C; j7 t: h" n# Z (3) repeat ) z5 C# \5 V/ @, L5 i/ b/ q
<statement sequence1>;
$ }, U$ ^) D& U; L1 n: P; G until <condition>;
0 m) C) \2 t$ K9 H: } _# ^ (4) for <condition> to <condition> loop
! x- J* o7 ?$ `% Z <statement sequence1>;" u* u6 a* t6 i6 S4 a# S3 n
next;& S) M' H7 Z, P( c& g2 D4 x( _
3中断语句) X ^; X {0 w
waituntil <condition> prio <integer expression>;6 R. C8 y6 X) }, g1 M1 y" Y
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4 X) c$ |) {; R以上为常用的函数！
# S5 ^5 s5 @' T/ ^. t# U* Z, }还有很多，如有需要我把资料发到你邮箱里 9 _( j$ W* j9 z
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