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发表于 2012-11-13 08:48:12
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1判断语句
+ d7 d' G- s# a' q- H5 `: B if <condition> then( b, k7 W& G; P
<statement sequence1>;
% z+ {" P6 T0 V( Z elseif <condition> then
6 s! ?6 w; [: O <statement sequence2>;9 ]( [2 O" m. e) ~5 h# Y! I
else
5 a3 U7 e9 t/ i <statement sequence3>;
9 ^7 d' D) v6 ] h2 d7 f end;
" c% k6 T0 s1 w/ R+ T; P如果分支比较多，用：
) d* C" K! O( }( C, |# A5 P inspect <expression>9 R* ^# ?) ~# ^# F
when <constant_list> then
. q1 J% e# ]! I9 N' w <statement sequence1>;
( t, J5 e: J) \1 _7 m% ^: C" E" Z when <constant_list> then
, |0 h' l$ v, o4 L6 x4 I <statement sequence2>;% Z( ]) I% B3 y0 P' B( |7 _
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else
# G1 ?# k% F: i% x( F3 g1 E8 q <statement sequence3>;2 e& Q. j& b) Z" d4 M7 \+ e0 S
end;* a8 V3 V& q- ~% M; X5 i8 i
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2循环语句5 _2 x7 t' m; G" }* D# @' Z: M# b
(1) from <statement sequence1>
( T$ Y6 p% U. f& N until <condition> loop
( B& a% p/ U0 t* ^& \ {: U <statement sequence2>;
2 s" F3 E$ [; I E5 i4 Z9 t5 Z; D, T end;2 ]0 p/ B3 o g
(2) while <condition> loop
' E& I% T3 d" k+ j <statement sequence1>;
C E9 ?/ k0 q+ g4 |7 m, r5 S7 r end;
7 ~, T) j0 r2 m# X (3) repeat $ }) w: }: n# d( R
<statement sequence1>;
# ~7 H/ e5 ]1 w( h8 B until <condition>;( Y) c0 t- Y8 r
(4) for <condition> to <condition> loop
0 ]$ x( \, ]! Z' X1 c <statement sequence1>;
; R9 e; @: n/ C) y9 B4 d next;
! l: z$ C% R, h( z3中断语句
; ?6 L$ P" v, G waituntil <condition> prio <integer expression>;
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" B3 P: v- U0 B* i+ M" L5 v/ {3 M以上为常用的函数！7 Z+ X. Q1 V b0 I# _: v( V
还有很多，如有需要我把资料发到你邮箱里
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