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发表于 2012-11-13 08:48:12
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1判断语句
3 r7 [5 d" Z6 I2 H8 D! x- b if <condition> then& J, S$ A, G* V: I8 ~3 C
<statement sequence1>;
2 A4 @& o/ a+ V7 O) n* j: U' g* c elseif <condition> then
" _( m% u4 p" j7 G) `) W6 R6 p <statement sequence2>;) f- M9 A) [. t/ |* M
else
8 ~1 \- J% @3 C3 U* I <statement sequence3>;. K1 o0 c! K: E( q- R% y0 o5 j
end;
: g. C( |5 i, Z1 T# @如果分支比较多，用：
- D, O$ Z. I- }1 y2 C3 e* L% O7 Q# T inspect <expression>: h4 j6 x" @& I- S$ c. }0 p
when <constant_list> then
o( ^3 G3 B2 { <statement sequence1>; Q: X) {' X' J0 [6 |, V* Y: g
when <constant_list> then7 j. X% ]+ a4 q
<statement sequence2>;$ d$ g& J" Y- a* t. E2 T8 s+ \
...( J* s' @: {! W. Z
else
; j) I. j* d( n# K" Q/ p9 o <statement sequence3>;
* X9 r4 P$ [9 F' V0 F5 |end;1 a8 h) M. u. W
! y& g9 C8 Z" u! K$ t2循环语句
6 ^$ i+ z5 x* q' D s3 r (1) from <statement sequence1>
, ^ ]) V. Y( { N until <condition> loop
2 n4 r" p8 }1 F% z <statement sequence2>;3 P2 Y+ j8 I: K7 ]/ V
end;
' f0 Q7 l2 z- _! L9 A (2) while <condition> loop
! J" _2 @; ~* { <statement sequence1>;
4 k) p( r9 ?. P) a end;7 F$ _) V! p$ K) Y' X1 V3 ^
(3) repeat
& @7 J9 s1 D$ {9 Q <statement sequence1>;# B$ m* a6 |3 s3 w. S
until <condition>;
3 Z2 w) N' `* W (4) for <condition> to <condition> loop6 a1 d3 F& ]' [2 h5 o# _7 j2 n
<statement sequence1>;
/ \' r* f. T- m next;2 M) v9 W% Y8 @6 T
3中断语句
4 F+ K+ D4 E- Y+ R waituntil <condition> prio <integer expression>;9 o9 }1 F5 S2 n, h
* b {- W( D* c
4 p: ?+ w% `$ |* @以上为常用的函数！
* x: f/ f/ g- y8 }$ @ T8 f( a0 Z* b还有很多，如有需要我把资料发到你邮箱里
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: C* H) V' Z$ ~* [! ]- l2 G7 F, s4 s+ b7 p+ q
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