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发表于 2012-11-13 08:48:12
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1判断语句
( R+ m5 c5 R% N9 z5 f) P if <condition> then
2 h! V4 j+ Y- t7 v3 A* }# h! k# L" | <statement sequence1>;3 J) o8 o8 F p
elseif <condition> then# K7 d J! j9 v3 _6 u; r0 R( ?
<statement sequence2>;
. L1 n; u# }% Z( F5 e else
8 T8 ?% W1 `# X2 L$ z# e6 ` <statement sequence3>;6 A" [. i9 _ B! }5 V$ @, u
end;* ~/ D5 q* S3 c' Z* J
如果分支比较多，用：: c8 O6 b+ b/ s& w3 `7 q
inspect <expression>
5 A; [- K/ }' L8 I4 V9 U+ \5 G when <constant_list> then
1 k- v8 E/ I: \% _2 t <statement sequence1>;0 E. T7 l" e: ?" l
when <constant_list> then
6 D1 O7 E; [+ C$ X% Z" K) o L h6 B <statement sequence2>;
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else
' P3 _7 ^: ?* N* Y9 l <statement sequence3>;
5 |5 c: {7 h* y/ p4 {8 u( Y" \, nend;
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- u6 w1 g# O/ f) `7 b2循环语句
% v `3 R9 i* J (1) from <statement sequence1>
# ]1 {1 s I: Z! e until <condition> loop* u3 U, g; ^" m& h0 ~/ w4 q
<statement sequence2>;
, a1 Q# {! k4 _- z- U( m. y% G( Y end;
3 z3 |! H/ k% S0 @7 w (2) while <condition> loop N& S# U: I- P! ^, t
<statement sequence1>;% L" o/ F& J* g) y9 B
end;# N2 b& l8 `. d! K" [. R0 \
(3) repeat
4 K6 J& X( s& |8 F# R S4 C$ d3 P <statement sequence1>;5 R/ X0 J, |) O0 _" k! ~
until <condition>;
9 v+ \) V$ I8 t M2 I (4) for <condition> to <condition> loop
, G/ \/ F1 i; k9 s2 C7 c. g <statement sequence1>;, v/ u0 U6 M; ?7 A
next;: d7 d& x+ n9 t6 }* i+ m+ D
3中断语句" i. s. ?. E7 k, n$ H
waituntil <condition> prio <integer expression>;$ X& I3 R8 C& {; y8 O
0 I$ m: f) Z* r& L, I8 p
, V' l4 f: h8 M2 V: k以上为常用的函数！4 q" V- C+ ^+ [; w# X
还有很多，如有需要我把资料发到你邮箱里
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