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发表于 2012-11-13 08:48:12
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1判断语句$ O, R. i* Y0 Q! ^1 Q1 s
if <condition> then
& S9 y( i' A$ C! b3 i <statement sequence1>;
# H5 _5 F& z2 e) Q, j3 i elseif <condition> then
! g& a9 ]& U$ ]' P \ <statement sequence2>;
: A0 I/ I9 s; ~9 d, l else
* s8 t. D1 j5 t4 l0 A$ A) n/ P; W- m <statement sequence3>;
' K' `+ H# e, ^! i; Q4 H1 Q$ u. F end;
# H' F E0 _" i! m如果分支比较多，用：7 x) V! g4 R- ?, @% Z4 N: A* }
inspect <expression>
& @" u1 o1 P9 D& @ when <constant_list> then
2 N/ [! N9 Z% D- ?& ] <statement sequence1>;
# `, ]8 |0 ?$ r- F# J0 U1 _! E when <constant_list> then
7 V( f W8 ~& Z: [2 f1 ]4 o <statement sequence2>;
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else
; A1 A- |) O1 t# \ <statement sequence3>;, V- s0 x# G5 P7 W4 ~
end;
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2循环语句/ e* \' ]- i$ g8 G# r$ b4 p
(1) from <statement sequence1>
8 d2 x# m" B' u/ i/ V. ? until <condition> loop
- d- Q8 _# h' O* ?. R; b! L <statement sequence2>;( ?; ]) }& A; I
end;! W- ?1 w( C+ ~5 m
(2) while <condition> loop
0 [" e& z( @% m7 S. e" R <statement sequence1>;# R; d. u1 ]+ O( `
end;' A8 R5 m) A& d
(3) repeat 0 S% h- |" [- i7 O2 G3 e
<statement sequence1>;4 z( Q9 L4 V7 A. @4 K. Y
until <condition>;
6 O7 \: O4 p. i (4) for <condition> to <condition> loop
8 S* g9 v' \7 b) s4 k <statement sequence1>;& M4 I- }% k5 K" V# @( c6 C
next;
$ I& g4 G2 h- K9 b' o+ d7 [3中断语句, H) P/ K: X6 G5 V/ t- j4 y
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
. G. J6 U7 s/ D6 K: @4 K1 D还有很多，如有需要我把资料发到你邮箱里
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