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发表于 2012-11-13 08:48:12
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1判断语句
6 w& O! [. j& _% X& v6 C" ] v7 x if <condition> then
& a6 {% k' U/ a2 \# Z <statement sequence1>;. n' y" F I- Q
elseif <condition> then
6 v9 o/ e8 u3 X( a. [ <statement sequence2>;- L- E: n) w9 J4 v! c
else
- ~# I1 ^( e5 [ M# O' m <statement sequence3>;
( P0 o7 p2 L# e X end;
/ K# W8 ^ c/ a X* l如果分支比较多，用：6 N( m9 ~$ a5 m$ a7 w$ ~7 G
inspect <expression>2 w" d( o9 v% [9 n( ~6 s
when <constant_list> then) l3 A! Q: U8 L& A
<statement sequence1>;3 |) Q y, M$ Y* Y7 V3 c' `% X
when <constant_list> then5 R; X' z3 G+ o) m4 C" F5 q! f
<statement sequence2>;
' J( R* _5 x5 J! T; H ...- T# d( l+ L0 e( j
else! c0 q/ T& b& Z: D5 b; H
<statement sequence3>;/ T/ Z$ o7 }+ u7 g8 M! f: \
end;" Q5 J, J4 @/ i( j$ y. ?$ [# @, _
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2循环语句
2 V' @. _0 r9 N0 Q* M1 P: Z, l (1) from <statement sequence1>
& s2 d# n" L u until <condition> loop
3 S0 I; B0 f% ^3 w# P: P <statement sequence2>;6 G9 ?; a. i$ U) ]% T
end;
4 z( I) k9 i9 B4 ` (2) while <condition> loop$ B5 z7 c: V" l1 `
<statement sequence1>;
5 `5 ?3 J o9 P7 K0 E' }( _ end;
# d" }, X4 y- q) }& L (3) repeat 3 m. H5 F1 { j! K4 w: P" Z8 T
<statement sequence1>;2 a) i& [0 s9 V2 {6 n: l! @+ J
until <condition>; C- y: S: s, m
(4) for <condition> to <condition> loop
: U) }8 c B9 }& X8 Z5 F- V) h6 X! w <statement sequence1>;2 ^# j- m: y+ Q1 E/ a5 v0 F
next;
# C/ `) F' L, F4 ^" u3中断语句
' U2 _1 T, ]+ _2 f; O3 k waituntil <condition> prio <integer expression>;$ @; R# ]6 h3 W+ p( k
& l- ^2 M% _3 W F) _
0 U0 T4 P3 y- h以上为常用的函数！
4 Q& b9 R7 ?1 ?/ i/ G还有很多，如有需要我把资料发到你邮箱里 2 |) q4 Z3 n, {1 r
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