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发表于 2012-11-13 08:48:12
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1判断语句
7 f L3 p+ |" m6 V5 J: K9 H! t if <condition> then6 J% U# ~. Z( n8 |& w0 g" g) q
<statement sequence1>;
5 L% x5 A, c2 M5 }3 j+ n5 v0 q+ V* u elseif <condition> then
7 @( l, X( q7 I4 G2 a8 h5 ]( | <statement sequence2>;
# ~4 ^6 @, O* R1 Y# H2 R2 C: A. q4 E else
5 x4 j% Y* D6 M& s$ F <statement sequence3>;
2 {1 b" d2 b& f# l end;
/ X$ a& B- I4 f* C7 V如果分支比较多，用：# `) m- c$ h% m
inspect <expression>
4 h" I; a; n5 J8 y% ]( F+ Y when <constant_list> then; P( S5 U% ~- K4 S
<statement sequence1>;( L( V6 O5 n6 q' x- f( O' a2 N
when <constant_list> then$ {. V6 x' M! J* R& ^; V
<statement sequence2>;# B3 T& C7 F0 q5 Q: o5 M
...
2 b" c" X/ g! x |2 E3 L' e! D G else! a% L8 I2 R H3 u
<statement sequence3>;/ z" ]) o. M" ?, g( f( m5 J
end;! |3 g, V; G- ^" s; g& h9 `+ e
( x; g. S0 j& `% s2循环语句
5 Y* G0 W, f- O: q6 E$ ~ (1) from <statement sequence1>6 u: X9 E d: G; G6 r
until <condition> loop6 S5 a- u* y3 e g5 D
<statement sequence2>;
9 W7 |2 |* E* H' i2 e ~9 c% b: N end;$ d5 k1 s% X1 S7 h
(2) while <condition> loop1 n% i7 Q7 G [: J/ |' k) c# X7 ^0 h
<statement sequence1>;
4 |" \$ {% ~- g' l6 g end;, U6 H, i8 W9 W
(3) repeat # N# }8 T! c! E, Q# G
<statement sequence1>;, {: v- x- i& `. `2 c3 ^$ ^$ s
until <condition>;) j0 E: |# S, D8 B
(4) for <condition> to <condition> loop
% w; \( z* a+ ^! e9 k2 A <statement sequence1>;. X9 u& b& F" T# [& f
next;
! o% ^+ d4 C4 G3中断语句
/ x! [" u% r9 t# q waituntil <condition> prio <integer expression>;
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! i1 f1 O; s4 g以上为常用的函数！) j4 ?: b+ \! `
还有很多，如有需要我把资料发到你邮箱里
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