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发表于 2012-11-13 08:48:12
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1判断语句' V+ j/ ]1 z E: e* q
if <condition> then, T# T" }" z/ n( p2 ^
<statement sequence1>;
# V* P- B% m/ \' \2 @ elseif <condition> then
# t; m/ L! d; B( Y# |( ] <statement sequence2>;. l: W1 v* R/ p1 h6 `: @+ H |* }
else
# m3 f: W5 j9 T+ k& T3 O# j <statement sequence3>;8 I6 K4 l6 T# k8 L/ e# x
end;+ [, X' m- K# r! p4 i; |% j: |
如果分支比较多，用：- h7 ?8 s3 _3 m+ _
inspect <expression>- z/ ?5 q% {2 s3 w) V1 S) U! L
when <constant_list> then+ N' I) V# I* q
<statement sequence1>;5 O" M: v( Z9 u7 V
when <constant_list> then% ?. A0 ?, B% s1 p: `
<statement sequence2>;
) [0 X- p% {/ {' Y ...
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<statement sequence3>;; r6 y1 I+ K; B5 h2 h, C. I" V
end;- T$ _4 L) B6 U. q1 y6 t5 [9 k/ Y
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2循环语句
& z, p& R& q3 M M (1) from <statement sequence1>
) ]; e( j) L1 X- f1 U# H/ n4 l until <condition> loop
' s: e+ H+ I3 _" b <statement sequence2>;; `% l9 ^* T. Z \/ t7 |) g
end;
% o3 b$ c( ~2 J: H (2) while <condition> loop
& S, l* ]0 U- O8 v Z' b9 l# K <statement sequence1>;- z4 w3 f( L3 R' Z/ ?( O e! e
end;
d* }, b/ j l4 X (3) repeat ' ?; _# L, J$ F/ ], l
<statement sequence1>;
+ T' x% K" H' Z/ ?+ D2 r until <condition>;# | F# X6 s0 E3 p
(4) for <condition> to <condition> loop
. c& p1 s0 P6 K <statement sequence1>;
: o" J3 C0 z3 ?1 J next;
8 r) `3 ?2 v6 C l! w3中断语句1 }8 I/ W* s. }. d, c# n$ [6 i7 s
waituntil <condition> prio <integer expression>;! |* h3 R) R1 s# [, L4 O; |+ J2 b
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以上为常用的函数！
( Q6 k+ Z3 z1 R+ J还有很多，如有需要我把资料发到你邮箱里 3 g1 ^; p0 r( J! N+ [
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