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发表于 2012-11-13 08:48:12
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1判断语句) ]! w. m% Y. y: y& \
if <condition> then9 q; V8 V$ @0 X+ X _
<statement sequence1>;
" S G6 i) {, i4 g' B elseif <condition> then
- c' `0 ?4 J1 R% S3 p <statement sequence2>;/ f' `5 c/ b3 ?
else 0 N9 h5 r C1 n; a) I3 S% q
<statement sequence3>;7 ]! |9 o6 C5 S5 x2 i0 p2 A, t. C
end;; e$ o% ?5 a- d& ? x/ ~7 V& S
如果分支比较多，用：# x, O( b; o9 l( {9 T
inspect <expression>) a" b- M6 i# ]* \* ?
when <constant_list> then
, m6 j) U' P8 M5 `7 y <statement sequence1>;7 R; {& [. D' n/ i# a4 d9 k
when <constant_list> then2 u r" i4 r7 z, b
<statement sequence2>;) q; N3 Z: Y; s/ t
...
2 X- D, [3 P5 t7 p' R else- v/ p( i3 b7 Q/ @2 J& c( x7 k
<statement sequence3>;
- p& c4 z( z; N: Q6 Rend;
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) {+ P& c# e+ l' X9 z2 H2循环语句
: o% V# t8 q& a% o# M (1) from <statement sequence1>
% f$ s6 v! J8 j }' R until <condition> loop
2 t/ a" }0 W2 k8 o4 J/ s; J <statement sequence2>;
. s1 w- D6 u, B4 B$ s# s5 P2 g5 u end;- n, \6 S4 q0 m7 _
(2) while <condition> loop
* z& T" v& ^5 S# n4 V <statement sequence1>;
# H! c0 c0 W4 Y& z% O end;
! T$ f$ c% o5 @7 G& h x2 b (3) repeat 8 A) @/ K1 Z1 S: t4 G1 q
<statement sequence1>;( w3 x* I, [! q7 y$ K7 u
until <condition>;
/ i0 s! J# z9 P; z% T# o3 G (4) for <condition> to <condition> loop: R4 J' i/ h$ O( p: H& M, E
<statement sequence1>;
# z" P2 U! x( [' L$ b" d# ]3 Z next;
- P1 V5 y$ y7 a- d! R# U8 F3中断语句/ i& r9 i+ U$ \5 A! W6 L) E
waituntil <condition> prio <integer expression>;
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- {- F4 l3 I5 m) ?: w' P
1 s( c7 N* g; }. O; L以上为常用的函数！ p4 E# k4 H8 H/ t6 _( |0 ]
还有很多，如有需要我把资料发到你邮箱里 1 r r8 e, N0 Q R& ]5 J8 x
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