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发表于 2012-11-13 08:48:12
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1判断语句
4 s8 y- i( Z% T/ _* a if <condition> then
6 s f3 u2 V# n4 @) p* W5 W' @ <statement sequence1>;. c% m4 K% p% M( g
elseif <condition> then
/ s# h7 g) s H% p8 o <statement sequence2>;# x" \) r% S j0 j, g/ U: E' }, o$ H
else # a3 i9 x5 D5 ]0 e6 @
<statement sequence3>;( z5 B5 ]; o- Y
end;8 u6 |' U, N! O i f
如果分支比较多，用：# j/ S+ [" T( n! m% a
inspect <expression>
' @4 u* T0 T- Z2 R6 n3 z1 B when <constant_list> then
5 y5 V' C3 o/ r$ ?9 @ <statement sequence1>;
2 |/ t+ z% K+ @9 E3 |4 s when <constant_list> then8 `( V! Z# _7 B
<statement sequence2>;8 [- V9 g$ _& B: _, v- t. r7 a
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else
5 Q7 v5 I$ K, a' L; Z7 V <statement sequence3>;
+ E n* j: }/ P: ^/ y9 A, a& [end;; g {( [ c( r+ }/ E
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2循环语句
3 H$ p; E7 h5 I (1) from <statement sequence1>
; S$ o2 v+ R+ \7 n: U8 I* e4 Z/ M7 W until <condition> loop
" H# }8 V3 O" o$ T' q <statement sequence2>;
6 A; V7 A9 L5 [9 O; J* x end;
( H7 P. T" ^9 D, D (2) while <condition> loop
3 c) A: \ y) i1 p! }8 h* @6 r <statement sequence1>;8 ], c% i0 P N
end;" {1 C, W5 \& w* b: V
(3) repeat
, V8 g( _: V2 q1 w: i <statement sequence1>;
4 p8 ?% m9 C* I7 \6 w( v, B9 p until <condition>;
: g" v) B1 z x6 B, m1 v (4) for <condition> to <condition> loop0 ^! U9 [$ b) p3 T
<statement sequence1>;
' g: B6 M0 g$ K+ M0 K# _' ^4 |( b# b% N next;
! u, h& M- y3 [* M( F7 \9 A6 V# I3中断语句+ O' \9 ^8 Z- {& {* ^% J: u
waituntil <condition> prio <integer expression>;9 O' ~3 |( U8 W! u3 Z+ J
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以上为常用的函数！9 S8 t# r/ r( @ l: w
还有很多，如有需要我把资料发到你邮箱里
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