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发表于 2012-11-13 08:48:12
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1判断语句6 {3 d, U0 E& l
if <condition> then- e+ _3 [ V1 \0 G% M
<statement sequence1>;
8 D( b5 N( y8 u( m: J elseif <condition> then
. ?& y; `* B3 W; N; F2 T3 r1 q# S <statement sequence2>;) V( T$ o0 X: b5 f$ l3 f2 U
else % M0 N" T+ m7 @; d; T4 Q" U& G1 ^
<statement sequence3>;; J P; i# ]- D/ ]
end;. m# G3 w C T/ n, ?' D3 Y; {4 `+ t
如果分支比较多，用：+ g0 r# ^/ ]2 O6 l4 Z
inspect <expression>
: @4 j- s2 y& V7 m) _# v+ F! P3 H when <constant_list> then. \" c9 M; W: n) c4 ^
<statement sequence1>;
0 g; t3 i( U c# H) s% @ when <constant_list> then" C, v5 h8 M- L; U+ w% ?8 S
<statement sequence2>;
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else% e3 j0 \, a$ x! I
<statement sequence3>;5 ^8 a1 N# u# n5 L: m1 J7 Y
end;
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2循环语句# p5 _& k2 t, W
(1) from <statement sequence1>
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<statement sequence2>;3 G* E+ ]% f- @0 `' w, k
end;
% l4 n4 a8 h8 M1 ] (2) while <condition> loop
' c0 G9 o' Y+ m: E% ]7 _ <statement sequence1>;
c% y7 m- N/ t b" k1 p' t end;7 `( N+ F) [& w1 B3 q, T
(3) repeat $ i0 @8 O/ G- m, a5 }) r
<statement sequence1>; A* }! b- n0 Y$ @ I4 K6 A
until <condition>;0 c9 }# C% V$ M4 Q/ k E# U( E: |
(4) for <condition> to <condition> loop$ x' ^9 x0 e+ @) T" [! c$ ~ |$ O
<statement sequence1>;
Q* F1 R( Z4 K$ S next;9 j2 S( k% J- p s) T/ C9 v
3中断语句3 s+ R9 s! `. ], r$ a) ^
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
- k8 E! C6 `$ y+ J2 V还有很多，如有需要我把资料发到你邮箱里
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