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发表于 2012-11-13 08:48:12
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1判断语句4 [/ Y. r7 E( F) r. a9 g
if <condition> then
) Q, p0 Q8 [: b <statement sequence1>;$ G6 }0 G/ d( A% x" C
elseif <condition> then8 ]0 p- u: E* o6 y$ @
<statement sequence2>;
0 F- S/ A) p% N else
8 Y4 R6 t* `: o4 e) G7 g# n <statement sequence3>;$ _7 d$ I- @0 O! P
end;: n6 }+ m9 ]! l) E d
如果分支比较多，用：7 h- J) ?9 l" \
inspect <expression>
6 g4 z/ x2 K; B0 |8 U when <constant_list> then: Q" s! i1 S) y3 m+ I q {9 c
<statement sequence1>;
, |5 l; c; z, F- @/ A) b" b when <constant_list> then" ~6 h% P" |8 d( o! |$ e$ C. K
<statement sequence2>;) p7 X$ ~* [5 C6 G3 q! O
...# v% i; M! G: A2 i, Y# O& w7 u
else) p- {, E( u# n2 O8 r6 o6 g
<statement sequence3>;
" M! s, X0 F& g# Lend;
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2循环语句
9 d* {/ V( K- M' W: a. R5 V# t (1) from <statement sequence1>
, U0 u9 A1 [+ u7 r* R% N& L until <condition> loop
3 p4 j+ g0 F9 u, w <statement sequence2>;) s8 b8 w B* i9 r
end;
; i- I9 q! g2 X (2) while <condition> loop; `: J- S V$ ^: T& a: q9 e
<statement sequence1>;+ P. c" t4 h5 K& T: M% E: A
end;- z6 x! p, J' p# s( M
(3) repeat
# K9 g# s# k4 L2 k <statement sequence1>;3 x6 z \% B- E4 \$ o5 X9 r1 L( `
until <condition>;/ q1 |, _7 P! w: H) j: m# n; X
(4) for <condition> to <condition> loop
0 O, ]* h3 W0 g* s4 d <statement sequence1>;% R* Q1 W1 p# [" ]
next;# v \ d. S, N f& X
3中断语句
: J; @% z+ ], Z waituntil <condition> prio <integer expression>;$ Q$ @' V7 ^# b7 E) b5 r
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以上为常用的函数！5 L7 ^$ K- m3 N/ J, f. s4 Z$ X8 o \1 b
还有很多，如有需要我把资料发到你邮箱里
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